Xxxxx směrnice Komise
ze xxx 26. července 1979,
xxxxxx xx xxxxxxx xxxxxxxxxx xxxxxx Xxxxxxxxxxxx xxx zkoušení některých xxxxx určených x xxxxxx spotřebě
(79/796/EHS)
KOMISE EVROPSKÝCH XXXXXXXXXXXX,
x ohledem na Xxxxxxx x xxxxxxxx Xxxxxxxxxx hospodářského společenství,
s xxxxxxx xx xxxxxxxx Xxxx 73/437/XXX xx xxx 11. xxxxxxxx 1973 x sbližování xxxxxxxx xxxxxxxx xxxxxxxxx xxxxx xxxxxxxxxx xx xxxxxxxxx xxxxx xxxxxxxx x xxxxxx spotřebě [1], x zejména xx xxxxxx 11 xxxxxxx xxxxxxxx,
xxxxxxxx x xxxx, že xxxxxx 11 xxxxxxx směrnice xxxxxxx, že xxxxxxx xxxxxxxxx xxxxx xx xxxxxxx xxxxxxxxxxxx xxxxxxxx Xxxxxxxxxxxx;
xxxxxxxx x xxxx, xx xx xxxxxx xxxxxxxx xxxxxxxxx řadu xxxxx, xxxxxxx studium xxx bylo xxxxxxxx;
xxxxxxxx x xxxx, xx x xxxxxxx xxxxxxxx 73/437/XXX xx xxxxxxxxx xxxxxx xxx stanovení xxxxx u cukru xxxx xxxxxx xxxxx x xxxxx xxxxx xxxxxx, xxxxxx stanovení xxxxxx konduktometricky x xxxxx xxxxx xxxxxx, xxxxxxxx xxxxx, tekutého xxxxxxxxxx xxxxx x xxxxxx z invertního xxxxx x xxxxxx xxxxxxxxx xxxxx x xxxxxxx xxxxx xxxxx xxxxxx a tekutého xxxxx;
xxxxxxxx x xxxx, xx xx xx xxxxx xxxxxx xxxx xxxxxx až xx xxxxxxxxxxx dalších xxxxx Xxxxxxxxxxxx xxx stanovení xxxxxxxxxxxx xxxxx xxxxxxxx xxxxxxxx státům xxxxxxx xxxxxxxx i xxxxxx xxxxxx podle Xxxxx x Eynona (metody 7 x 8 x příloze II x. XXX.3 a XXX.4) xxxxx xxxxxx xxxxx Xxxxx a Xxxxxxxx (xxxxxx 6 x příloze II x. XXX.3 x XXX.4);
xxxxxxxx k xxxx, xx analytické xxxxxx xxxxxxxx x této xxxxxxxx jsou v xxxxxxx se stanoviskem Xxxxxxx xxxxxx xxx xxxxxxxxx,
XXXXXXX XXXX XXXXXXXX:
Xxxxxx 1
1. Členské xxxxx xxxxxxx, xx xxxxxxx nezbytné x xxxxxxx kritérií uvedených x příloze I xxxx xxx prováděny xxxxx xxxxx popsaných x xxxxxxx II xxxx xxxxxxxx.
2. Xxxx xx xxxxxx xxxxx xxxxxxxxxxx, použije xx xxxxxx xxxxx Luffa x Xxxxxxxx (příloha XX, xxxxxx 6) xx xxxxxxxxx xxxxxxxxxxxx xxxxx xxxxxxxxxx
- x xxxxxxx xxxxx,
- x xxxxxxx xxxxx xxxxx,
- x xxxxxxx xxxxxxxxx xxxxx,
- v xxxxxxx xxxxx xxxxxxxxx xxxxx,
- x sirupu z xxxxxxxxxx cukru,
- ve xxxxxxxxx sirupu,
- x xxxxxxx xxxxxxxxx xxxxxx,
- x xxxxxxxx monohydrátu,
- x dextrose xxxxxxx.
Xxxxxxx xxxxx xxxx mohou xx xxxx xxxxx xxxxxxxx xx xxxxxxxxx xxxxxxxxxxxx xxxxx x xxxxxx nebo xxxx xxxxxxx xxxxx xxxxxxxxx x xxxxxxxxxx seznamu xxxxxx xxxxx Xxxxx x Xxxxxx (příloha XX, xxxxxx 7 xxxx 8).
3. Xxxxx xxxxxxx stát využije xxxxxxx xxxxx xxxxxxxx x odst. 2 xxxxxx pododstavci, neprodleně x xxx uvědomí Xxxxxx x xxxxxxx xxxxxxx xxxxx.
Xxxxxx 2
Xxxxxxx státy xxxxxx x xxxxxxxx xxxxxx a xxxxxxx xxxxxxxx xxxxxxxx pro xxxxxxxx xxxxxxx s xxxxx xxxxxxxx xx 18 xxxxxx od xxxxxxxx xxxx směrnice. Xxxxxxxxxx x xxxx xxxxxxx Xxxxxx.
Xxxxxx 3
Xxxx xxxxxxxx xx xxxxxx členským xxxxxx.
X Xxxxxxx xxx 26. xxxxxxxx 1979.
Za Xxxxxx
Xxxxxxx Davignon
člen Xxxxxx
[1] Úř. xxxx. X 356, 27.12.1973, x. 71.
XXXXXXX I
ROZSAH XXXXXXX XXXXXXXXXXXX METOD XXXXXXXXXXXX XXX NĚKTERÉ CUKRY XXXXXX X XXXXXX XXXXXXXX
XXXXXXX XX
XXXXXXXXXX XXXXXX X OVĚŘENÍ SLOŽENÍ XXXXXXXXX XXXXX URČENÝCH X XXXXXX XXXXXXXX
XXXX
1. Xxxxxxxx xxxxxx x xxxxxxx
Xxxxxx doručený xx xxxxxxxxxx se důkladně xxxxxxxx.
Xxx xxxxxxx xx xx xxxxxx xxxxxx xxxxxxxx nejméně 200 x x xxxxxxxx xxxxxxx do xxxxx, xxxxx, xxxxxxxxx xxxxxxx xxxxxxxx vzduchotěsným uzávěrem.
2. Xxxxxxx xxxxxxx, přístroje x xxxxxxx
Xxx popisu xxxxxxxxx a xxxxxxx xxxx xxxxxxx xxxxxx xxxxx x xxxxxxx xxxxxxxxxxx xxxxxxxx x xxxxxxxxx, xxxx těch xxxxxxxxx, xxxxx musí xxxxxxxxx zvláštním xxxxxxxxxx.
Xxxxx xx xxxxxxxxx xxxx, xxxxxx xx xxxxxxxxxxx xxxx xxxx demineralizovaná xxxx s xxxxxxx xxxxxxxxxxxx xxxxxxxx.
Xxxxxxx činidla xxxx xxx xxxxxxxxxx xxxxxxx, pokud xxxx xxxxxxxxx xxxxx.
Xxxxx je xxxxxxxxxx na xxxxxx xxxxxxx bez xxxxxxx xxxxxxxxx, xxxxx xx x xxxxx xxxxxx.
3. Xxxxxxxxx xxxxxxxx
X úředním xxxxxxxxx x xxxxxxx xx xxxxx xxxxxxxx xxxxxxx jako xxxxxxxx xxxxxxx xx dvou xxxxxxxxx s xxxxxxxxxxx xxxxxxxxxxxxxxx.
Xxxxx xxxx xxxxxxx xxxxx, jsou xxxxxxxx xxxxxxxxx x xxxxxxxxxx xxxxxxxxxxxx xxxxxxxxx laboratorního xxxxxx xxx, xxx xxx xx xxxxxxxxxx xxxxxxx.
Xxxxx xxxxxxxx číslic x xxxxx xxxxxxxxxx xxxxxxxx je xxxxx xxxxxxxxx xxxxxx.
XXXXXX 1
XXXXXXXXX XXXXXX XXXXXXXXX SUŠENÍM
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx slouží ke xxxxxxxxx xxxxxx hmotnosti xxxxxxx
- v xxxxx xxxxxxxxx,
- x xxxxx xxxx x cukru xxxxx,
- x xxxxx xxxxx xxxxx.
2. Xxxxxxxx
"Xxxxxx xxxxxxxxx xxxxxxx": hodnota xxxxxx xxxxxxxxx xxxxxxx xxxxxxxxx xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxx xxxxxxxxx xxxxxxx xx xxxxxxx xxxxxxx xxx xxxxxxx 103 ± 2 °X.
4. Xxxxxxxxx x xxxxxxx
4.1 Xxxxxxxxxx váhy xxxxxx s přesností 0,1 xx.
4.2 Xxxxxxx x vhodnou ventilací, xxxxxx xxxxxxxxxxx, umožňující xxxxxxxx teplotu 103 ± 2 °X.
4.3 Xxxxxx váženka s xxxxxxx xxxx, xxxxxx xxxx xxxxxxxx xxxxxx x xxxxxxxxxx xxxxxxxxx, x průměrem xxxxxxx 100 mm x x xxxxxxxx xxxxxxx 30 xx.
4.4 Xxxxxxxxx x xxxxxxx xxxxxxxxxxx xxxxxxxxxxx xxxx x xxxxxxxxxxx xxxxxxxx x xxxxxxxxxxx xxxxxx vlhkosti.
5. Xxxxxx
Xxxxxxxx:
Xxxxxxx xxxxxxx x xxxxxx 5.3 až 5.7 musí být xxxxxxxxx xxxxxxxx xx xxxxxxxx xxxxxx xx xxxxxxx.
5.1 Xxxxx (4.3) xx xxxxxx xx xxxxxxxxxx hmotnosti v xxxxxxx (4.2) při xxxxxxx 103 ± 2 °X.
5.2 Xxxxx xx xxxxx x xxxxxxxxxx (4.4) xxxxxxxxxxx xxxxxxx po xxxx 30 až 35 xxxxx x xxxx xx zváží s xxxxxxxxx na 0,1 xx.
5.3 Do xxxxx xx naváží xxxxxxxxx 20 xx 30 x xxxxxx x xxxxxxxxx xx 0,1 xx.
5.4 Xxxxx se xxxxx xx sušárny (4.2) o xxxxxxx 103 ± 2 °X, xxx xx xxxxxxx 3 hodiny.
5.5 Xxxxx se nechá xxxxxxxxxxx x xxxxxxxxxx (4.4) a xxxxx xx x xxxxxxxxx xx 0,1 mg.
5.6 Xxxxx xx znovu xxxxx xx 30 xxxxx xx xxxxxxx x teplotě 103 ± 2 °C.
Nechá xx xxxxxxxxxxx v xxxxxxxxxx (4.4) a xxxxx xx x xxxxxxxxx xx 0,1 xx. Pokud je xxxxxx xxxx dvěma xxxxxxxx xxxxx xxx 1 mg, postup xx xxxxxxx. Xxxxx-xx xx xxxxxxx hmotnosti, xxxxxxx xx k xxxxxxx xxxxxxxx xxxxxxxxxxx xxxxxxx.
5.7 Xxxxxxx xxx xxxxxx xxxxx xxx xxxxx xxx xxxxx xxxxxx.
6. Xxxxxxxxx xxxxxxxx
6.1 Xxxxxx a xxxxxx xxxxxxx
Xxxxxx xxxxxxxxx xxxxxxx x procentech xxxxxxxxxxxx xxxxxx je dána xxxxx xxxxxxx:
xxx:
x0 xx xxxxxxxxx xxxxxxxx zkušebního xxxxxx (x),
x1 je xxxxxxxx xxxxxxxxxx xxxxxx xx xxxxxxxx (x).
6.2 Xxxxxxxxxxxxxx
Xxxxxx mezi xxxxxxxx xxxx xxxxxxxxx xxxxxxxxxxx xxxxxxx xxxx xxxxxx xx sebou x xxxxx vzorku xxxxxx xxxxxxxxxxx za xxxxxxxxx xxxxxxxx xxxxx xxx xxxxx xxx 0,02 x xx 100 x vzorku.
METODA 2
XXXXXXXXX XXXXXX
Xxxxxx xxxxxx xx xxxxxxx xxxxxxx
1. Předmět x xxxxxx xxxxxxx
Xxxxxx xxxxxx ke xxxxxxxxx xxxxxx sušiny
- ve xxxxxxxxx xxxxxx,
- x xxxxxxx xxxxxxxxx xxxxxx,
- x xxxxxxxx xxxxxxxxxxx,
- x xxxxxxxx xxxxxxx.
2. Xxxxxxxx
"Xxxxx xxxxxx": xxxxx xxxxxx xxxxxxxxx xxxxxxxx xxxxxxx.
3. Podstata xxxxxx
Xxxxxx xx xxxxxxx při xxxxxxx 70 ± 1 °C xx xxxxxxx sušárně při xxxxx xxxxxxx 3,3 xXx (34 xxxx). Xxxxxxxx xxxxxx škrobového xxxxxx nebo xxxxxxxx xxxxxxxxxx sirupu xx xxxx xxxxxxx xxxxxx xxxxxxxxx x vodou x x xxxxxxxxxx.
4. Xxxxxxx xxxxxxx
4.1 Křemelina: xxxxxxxx se x Xüxxxxxxxx xxxxxxx opakovaným xxxxxxxxxx zředěnou xxxxxxxxx xxxxxxxxxxxxxxx (1 ml xxxxxxxxxxxxx kyseliny o xxxxxxx 1,19 x/xx xx xxxx xxxx xxx 20 °X), xxxxx xxxxxxx nevykazuje xxxxxxxx xxxxxxx reakci. Xxxxxxxxx na filtru xx pak xxxxxxx xxxxx xxx dlouho, xxxxx hodnota xX xxxxxxxx xxxxxxxxxx nad 4; pak xx xxxxxxxxx xxxxxx x xxxxxxx při 103 ± 2 °X x uloží se xx vzduchotěsného nádoby.
5. Xxxxxxxxx x xxxxxxx
5.1 Xxxxxxx sušárna, xxxxxxxx, xxxxxx xxxxxxxxxxx, xxxxxxxx xxxxxxxxxx a vakuovým xxxxxxxxxx. Musí xxx xxxxxxxxxxxx xxx, xxx xxx zajištěn rychlý xxxxxxx tepla xx xxxxxxx xxxxxxxxx xx xxxxxxxx.
5.2 Aparatura x xxxxxxxxx xxxxxxx xxxxxxxxxx xx xx xxxxxxxx xxxxxx xxxxxxxx čerstvě xxxxxxxxxxx xxxxxxxxxxx xxxx xxxxxxxxxxx vysoušedlem, x xxxxxxxxxxx obsahu xxxxxxxx. Xxxx xxxxxx xxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxx xxxxxxx xx xxxxxxx xxxxxxxxx x xxxxxxx xxxxx xxxxxxxxxx na vstup xxxxxxx do sušárny.
5.3 Xxxxxx xxxxxxxxxx xxxxxxxx x xxxxxxx xxxx 3,3 kPa (34 xxxx) xxxx xxxxx.
5.4 Xxxxxx xxxxxxx x xxxxxxx dnem xxxxxx xxxx působení xxxxxx x xxxxxxxxx zkoušky x xxxxxxxx nejméně 100 mm x x xxxxxxxx nejméně 300 xx.
5.5 Skleněná xxxxxxx x takové xxxxx, xxx xxxxxxx xxxxx xxxxxxxxx xx xxxxxxx.
5.6 Xxxxxxxxx x xxxxxxx xxxxxxxxxxx xxxxxxxxxxx xxxx s xxxxxxxxxxx xxxxxxxxxxx x indikátorem xxxxxx xxxxxxxx.
5.7 Xxxxxxxxxx xxxx vážící x xxxxxxxxx na 0,1 xx.
6. Xxxxxx
6.1 Do xxxxxxx (5.4) xx xxxxxxxxx tyčinkou (5.5) xx převede xxxxxxxxx 30 g xxxxxxxxx (4.1), vše xxxxx xx xx xxxxxxx (5.1) s teplotou 70 ± 1 °X x xxxx xx sníží xxxxxxx xx 3,3 xXx (34 xxxx).
Xxxx se xxx dobu xxxxxxx 5 xxxxx, xxxxxxx xx xxxx xxxxxxxxx xxx vysoušení xxxxxxx xx sušárny xxxxxx xxxxxx proud xxxxxxx. Xxxxx xx xxxxxxxxxxx xxxx x podle xxxxxxx xx xxxxxx.
6.2 Xxxxxxxxxx xxxxxxxx atmosférického xxxxx x sušárně xx dosáhne xxxxxxxx xxxxxxxx přívodu xxxxxxx xxxxxxx. Xxxxx x xx skleněnou xxxxxxxx xx xxxxxxxx xxxxxxxx xx xxxxxxxxxx (5.6), xxx xx xxxxx xxxxxxxxxxx, x pak xx xxxxx.
6.3 Xx xxxxxxx x xxxxxx 100 xx xx x xxxxxxxxx xx 1 mg xxxxxx xxxxxxxxx 10 x xxxxxxxxxxxxx xxxxxx.
6.4 Xxxxxxxx xxxxxx xx zředí 10 ml xxxxx xxxx x xxxxxx xx pomocí xxxxxxxx xxxxxxx (5.5) kvantitativně xxxxxxx xx xxxxxxx.
6.5 Xxxxx se xxxxxxxxx xxxxxxx a xxxxxxxxx xxxxxxxx xx vloží xx xxxxxxx x xxxx xx sníží xxxxxxx na 3,3 xXx (34 mbar). Xxxx xx xxx 70 ± 1 °X, přičemž se xxxxxxxx nechá procházet xxxxxx xxxxx suchého xxxxxxx.
Xxxxxx xx xxxxxxx xx xxxx 20 xxxxx; x xxxxxxxxxx xxxxxx vlhkosti xx xxxxx ke konci xxxxxxx xxx. Xx xxxxxxxx xxxxxxxx xxxxxx x xxxxx xxx xxxxxxxxxx xxxxx x xxxxxx xxxxxx proudit xx sušárny suchý xxxxxx xxx, xxx xx xxxxx xxxx xxxx xxxxxxxx xxxxxxxxx xx hodnotě 3,3 xXx (34 mbar) xxxx xxxxx.
6.6 Atmosférického xxxxx v xxxxxxx xx xxxx dosáhne xxxxxxxx xxxxxxxx xxxxxxx xxxxxxx xxxxxxx. Xxxxxxx x x xxxxxxx xx xxxxxxxx xxxxxxxx xx xxxxxxxxxx, kde xx xxxxx xxxxxxxxxxx, x xxxx xx xxxxx x xxxxxxxxx xx 1 xx.
6.7 Xxxxxxx (6.5) xx xxxxxxx po xxxxx 4 xxxxxx. X xxxxxxx xx xxxxxx xxxxxxxxxxxx xxxx x xxxxx xx ihned xxxxx xx xxxxxxxxxx. Xxxxx xx xxxxxxxxxxx x xxxxxxx xx xxxxxx, zda xxx xxxx xxxxxxxx konstantní xxxxxxxxx. Xx xxxxxxxxxx xxxxxxxx se xxxxxxxx xxxxxx xxxxxxxx, xxx xxxxxx xxxx dvěma xxxxxxxx téže xxxxx xxxx větší než 2 xx. V xxxxxxx xxxxxxx se xxxxxxx operace 6.7.
6.8 Xxx xxxxxxxxx sušiny xx vzorcích xxxxxxx xxxxxxxx nebo x xxxxxxxxxxx dextrosy není xxxxxxx xxxxxxxxx x xxxx zapotřebí.
7. Vyjádření xxxxxxxx
7.1 Xxxxxx x xxxxxx xxxxxxx
Xxxxx sušiny xxxxxxxxx v xxxxxxxxxx xxxxxxxxxxxx vzorku xx xxxxxxxx xxxxx xxxxxx xxxxxx:
xxx:
x0 = xx xxxxxxxxx xxxxxxxx zkušebního xxxxxx (x),
x1 = xx xxxxxxxx xxxxxxx x xxxxxxxxxx, xxxxxxxxx xxxxxxxx x xxxxxxx xxxxxxxxxx vzorku xx xxxxxx (x),
x2 = xx xxxxxxxx váženky x křemelinou x xxxxxxxxx tyčinkou (x).
7.2 Xxxxxxxxxxxxxx
Xxxxxx xxxx výsledky xxxx stanovení xxxxxxxxxxx xxxxxxx xxxx xxxxxx xx xxxxx x xxxxx xxxxxx xxxxxx xxxxxxxxxxx za xxxxxxxxx xxxxxxxx nesmí xxx xxxxx xxx 0,12 x xx 100 x vzorku.
METODA 3
STANOVENÍ XXXXXXX XXXXXX
(Xxxxxxxxxxxxxxxx xxxxxx)
1. Xxxxxxx x oblast xxxxxxx
Xxxxxx xxxxxxx xxxxx xxxxxx
- x xxxxxxx xxxxx,
- v tekutém xxxxx xxxxx,
- x xxxxxxx xxxxxxxxx xxxxx,
- x tekutém xxxxx xxxxxxxxx xxxxx,
- x xxxxxx z xxxxxxxxxx xxxxx,
- v xxxxxx x xxxxxx xxxxxxxxxx xxxxx.
2. Xxxxxxxx
"Xxxxx xxxxxx": xxxxx sušiny xxxxxxxxx xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxxx xx xxxxx xxxx zkušebního xxxxxx xxx 20 °X x xxxxx xxxxxxx xxxxxxxxxxx koncentraci xxxx xxxxxx xxxxxx lomu xx převede xx xxxxx xxxxxx.
4. Xxxxxxxxx x xxxxxxx
4.1 Xxxxxxxxxxxx x xxxxxxxxx odečtu xx xxxxx xxxxxxxxx xxxxx, vybavený xxxxxxxxxx x xxxxxxxx xxxxxx xxxxxxxxx xxxxxxxxxx x xxxxx xxxxx, xxxxx xx xxxxxxxxx xxxxxxxxxxx xx xxxxxxx 20 ± 0,5 °X.
4.2 Xxxxxxxx zdroj xxxxxxxxxxx xx xxxxxxxx výbojky.
5. Xxxxxx
5.1 Xxxxx jsou xx xxxxxx přítomny xxxxxxxx, rozpustí xx xxxxxxxx xxxxxx x xxxxxx 1:1 (x/x).
5.2 Xxxxxxxxxxxxxx (4.1) se xxxxx xxxxx xxxx xxxxxx při 20 °X.
6. Xxxxxxxxx výsledků x xxxxxx xxxxxxx
6.1 Xxxxx xxxxxx xx xxxxxxx x indexů xxxx xxx xxxxxxx xxxxxxxxx xxx 20 °X xxxxx xxxxxxx xxxxxxx x xxxx xxxxxxx xx xxxxxxxxxx xxxxxxxxxx xxxxx x xxxxxxxxxxxx vzorku xx x výsledku x xxxxxxx xxxxxx xx xxxxx 1 % xxxxxxxxxx xxxxx xxxxxxx 0,022.
6.2 Pokud byl xxxxxx zředěn vodou x xxxxxx 1:1 (x/x), xxxx xx xxxxx xxxxxxxxx xxxxxx xxxxxxxxx xxxxx.
6.3 Opakovatelnost
Rozdíl xxxx výsledky dvou xxxxxxxxx provedených xxxxxxx xxxx rychle za xxxxx z téhož xxxxxx xxxxxx xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx xxxxx být xxxxx xxx 0,2 x xxxxxx xx 100 x xxxxxx.
XXXXXXXXXX TABULKY
Indexy xxxx (n) roztoků xxxxxxxxx xxx 20 °X [1]
n (20 °X) |
Xxxxxxxxx (%) |
1,3330 |
0,009 |
1,3331 |
0,078 |
1,3332 |
0,149 |
1,3333 |
0,218 |
1,3334 |
0,288 |
1,3335 |
0,358 |
1,3336 |
0,428 |
1,3337 |
0,498 |
1,3338 |
0,567 |
1,3339 |
0,637 |
1,3340 |
0,707 |
1,3341 |
0,776 |
1,3342 |
0,846 |
1,3343 |
0,915 |
1,3344 |
0,985 |
1,3345 |
1,054 |
1,3346 |
1,124 |
1,3347 |
1,193 |
1,3348 |
1,263 |
1,3349 |
1,332 |
1,3350 |
1,401 |
1,3351 |
1,470 |
1,3352 |
1,540 |
1,3353 |
1,609 |
1,3354 |
1,678 |
1,3355 |
1,747 |
1,3356 |
1,816 |
1,3357 |
1,885 |
1,3358 |
1,954 |
1,3359 |
2,023 |
1,3360 |
2,092 |
1,3361 |
2,161 |
1,3362 |
2,230 |
1,3363 |
2,299 |
1,3364 |
2,367 |
1,3365 |
2,436 |
1,3366 |
2,505 |
1,3367 |
2,574 |
1,3368 |
2,642 |
1,3369 |
2,711 |
1,3370 |
2,779 |
1,3371 |
2,848 |
1,3372 |
2,917 |
1,3373 |
2,985 |
1,3374 |
3,053 |
1,3375 |
3,122 |
1,3376 |
3,190 |
1,3377 |
3,259 |
1,3378 |
3,327 |
1,3379 |
3,395 |
1,3380 |
3,463 |
1,3381 |
3,532 |
1,3382 |
3,600 |
1,3383 |
3,668 |
1,3384 |
3,736 |
1,3385 |
3,804 |
1,3386 |
3,872 |
1,3387 |
3,940 |
1,3388 |
4,008 |
1,3389 |
4,076 |
1,3390 |
4,144 |
1,3391 |
4,212 |
1,3392 |
4,279 |
1,3393 |
4,347 |
1,3394 |
4,415 |
1,3395 |
4,483 |
1,3396 |
4,550 |
1,3397 |
4,618 |
1,3398 |
4,686 |
1,3399 |
4,753 |
1,3400 |
4,821 |
1,3401 |
4,888 |
1,3402 |
4,956 |
1,3403 |
5,023 |
1,3404 |
5,091 |
1,3405 |
5,158 |
1,3406 |
5,225 |
1,3407 |
5,293 |
1,3408 |
5,360 |
1,3409 |
5,427 |
1,3410 |
5,494 |
1,3411 |
5,562 |
1,3412 |
5,629 |
1,3413 |
5,696 |
1,3414 |
5,763 |
1,3415 |
5,830 |
1,3416 |
5,897 |
1,3417 |
5,964 |
1,3418 |
6,031 |
1,3419 |
6,098 |
1,3420 |
6,165 |
1,3421 |
6,231 |
1,3422 |
6,298 |
1,3423 |
6,365 |
1,3424 |
6,432 |
1,3425 |
6,498 |
1,3426 |
6,565 |
1,3427 |
6,632 |
1,3428 |
6,698 |
1,3429 |
6,765 |
1,3430 |
6,831 |
1,3431 |
6,898 |
1,3432 |
6,964 |
1,3433 |
7,031 |
1,3434 |
7,097 |
1,3435 |
7,164 |
1,3436 |
7,230 |
1,3437 |
7,296 |
1,3438 |
7,362 |
1,3439 |
7,429 |
1,3440 |
7,495 |
1,3441 |
7,561 |
1,3442 |
7,627 |
1,3443 |
7,693 |
1,3444 |
7,759 |
1,3445 |
7,825 |
1,3446 |
7,891 |
1,3447 |
7,957 |
1,3448 |
8,023 |
1,3449 |
8,089 |
1,3450 |
8,155 |
1,3451 |
8,221 |
1,3452 |
8,287 |
1,3453 |
8,352 |
1,3454 |
8,418 |
1,3455 |
8,484 |
1,3456 |
8,550 |
1,3457 |
8,615 |
1&xxxx;3458 |
8,681 |
1,3459 |
8,746 |
1,3460 |
8,812 |
1,3461 |
8,878 |
1,3462 |
8,943 |
1,3463 |
9,008 |
1,3464 |
9,074 |
1,3465 |
9,139 |
1,3466 |
9,205 |
1,3467 |
9,270 |
1,3468 |
9,335 |
1,3469 |
9,400 |
1,3470 |
9,466 |
1,3471 |
9,531 |
1,3472 |
9,596 |
1,3473 |
9,661 |
1,3474 |
9,726 |
1,3475 |
9,791 |
1,3476 |
9,856 |
1,3477 |
9,921 |
1,3478 |
9,986 |
1,3479 |
10,051 |
1,3480 |
10,116 |
1,3481 |
10,181 |
1,3482 |
10,246 |
1,3483 |
10,311 |
1,3484 |
10,375 |
1,3485 |
10,440 |
1,3486 |
10,505 |
1,3487 |
10,570 |
1,3488 |
10,634 |
1,3489 |
10,699 |
1,3490 |
10,763 |
1,3491 |
10,828 |
1,3492 |
10,892 |
1,3493 |
10,957 |
1,3494 |
11,021 |
1,3495 |
11,086 |
1,3496 |
11,150 |
1,3497 |
11,215 |
1,3498 |
11,279 |
1,3499 |
11,343 |
1,3500 |
11,407 |
1,3501 |
11,472 |
1,3502 |
11,536 |
1,3503 |
11,600 |
1,3504 |
11,664 |
1,3505 |
11,728 |
1,3506 |
11,792 |
1,3507 |
11,856 |
1,3508 |
11,920 |
1,3509 |
11,984 |
1,3510 |
12,048 |
1,3511 |
12,112 |
1,3512 |
12,176 |
1,3513 |
12,240 |
1,3514 |
12,304 |
1,3515 |
12,368 |
1,3516 |
12,431 |
1,3517 |
12,495 |
1,3518 |
12,559 |
1,3519 |
12,623 |
1,3520 |
12,686 |
1,3521 |
12,750 |
1,3522 |
12,813 |
1,3523 |
12,877 |
1,3524 |
12,940 |
1,3525 |
13,004 |
1,3526 |
13,067 |
1,3527 |
13,131 |
1,3528 |
13,194 |
1,3529 |
13,258 |
1,3530 |
13,321 |
1,3531 |
13,384 |
1,3532 |
13,448 |
1,3533 |
13,511 |
1,3534 |
13,574 |
1,3535 |
13,637 |
1,3536 |
13,700 |
1,3537 |
13,763 |
1,3538 |
13,826 |
1,3539 |
13,890 |
1,3540 |
13,953 |
1,3541 |
14,016 |
1,3542 |
14,079 |
1,3543 |
14,141 |
1,3544 |
14,204 |
1,3545 |
14,267 |
1,3546 |
14,330 |
1,3547 |
14,393 |
1,3548 |
14,456 |
1,3549 |
14,518 |
1,3550 |
14,581 |
1,3551 |
14,644 |
1,3552 |
14,707 |
1,3553 |
14,769 |
1,3554 |
14,832 |
1,3555 |
14,894 |
1,3556 |
14,957 |
1,3557 |
15,019 |
1,3558 |
15,082 |
1,3559 |
15,144 |
1,3560 |
15,207 |
1,3561 |
15,269 |
1,3562 |
15,332 |
1,3563 |
15,394 |
1,3564 |
15,456 |
1,3565 |
15,518 |
1,3566 |
15,581 |
1,3567 |
15,643 |
1,3568 |
15,705 |
1,3569 |
15,767 |
1,3570 |
15,829 |
1,3571 |
15,891 |
1,3572 |
15,953 |
1,3573 |
16,016 |
1,3574 |
16,078 |
1,3575 |
16,140 |
1,3576 |
16,201 |
1,3577 |
16,263 |
1,3578 |
16,325 |
1,3579 |
16,387 |
1,3580 |
16,449 |
1,3581 |
16,511 |
1,3582 |
16,573 |
1,3583 |
16,634 |
1,3584 |
16,696 |
1,3585 |
16,758 |
1,3586 |
16,819 |
1,3587 |
16,881 |
1,3588 |
16,943 |
1,3389 |
17,004 |
1,3590 |
17,066 |
1,3591 |
17,127 |
1,3592 |
17,189 |
1,3593 |
17,250 |
1,3594 |
17,311 |
1,3595 |
17,373 |
1,3596 |
17,434 |
1,3597 |
17,496 |
1,3598 |
17,557 |
1,3599 |
17,618 |
1,3600 |
17,679 |
1,3601 |
17,741 |
1,3602 |
17,802 |
1,3603 |
17,863 |
1,3604 |
17,924 |
1,3605 |
17,985 |
1,3606 |
18,046 |
1,3607 |
18,107 |
1,3608 |
18,168 |
1,3609 |
18,229 |
1,3610 |
18,290 |
1,3610 |
18,351 |
1,3611 |
18,412 |
1,3613 |
18,473 |
1,3614 |
18,534 |
1,3615 |
18,595 |
1,3616 |
18,655 |
1,3617 |
18,716 |
1,3618 |
18,777 |
1,3619 |
18,837 |
1,3620 |
18,898 |
1,3621 |
18,959 |
1,3622 |
19,019 |
1,3623 |
19,080 |
1,3624 |
19,141 |
1,3625 |
19,201 |
1,3626 |
19,262 |
1,3627 |
19,322 |
1,3628 |
19,382 |
1,3629 |
19,443 |
1,3630 |
19,503 |
1,3631 |
19,564 |
1,3632 |
19,624 |
1,3633 |
19,684 |
1,3634 |
19,745 |
1,3635 |
19,805 |
1,3636 |
19,865 |
1,3637 |
19,925 |
1,3638 |
19,985 |
1,3639 |
20,045 |
1,3640 |
20,106 |
1.3641 |
20,166 |
1,3642 |
20,226 |
1,3643 |
20,286 |
1,3644 |
20,346 |
1,3645 |
20,406 |
1,3646 |
20,466 |
1,3647 |
20,525 |
1,3648 |
20,585 |
1,3649 |
20,645 |
1,3650 |
20,705 |
1,3651 |
20,765 |
1,3652 |
20,825 |
1,3653 |
20,884 |
1,3654 |
20,944 |
1,3655 |
21,004 |
1,3656 |
21,063 |
1,3657 |
21,123 |
1,3658 |
21,183 |
1,3659 |
21,242 |
1,3660 |
21,302 |
1,3661 |
21,361 |
1,3662 |
21,421 |
1,3563 |
21,480 |
1,3664 |
21,540 |
1,3665 |
21,599 |
1,3666 |
21,658 |
1,3667 |
21,718 |
1,3668 |
21,777 |
1,3669 |
21,836 |
1,3670 |
21,896 |
1,3671 |
21,955 |
1,3672 |
22,014 |
1,1673 |
22,073 |
1,3674 |
22,132 |
1,3675 |
22,192 |
1,3676 |
22,251 |
1,1677 |
22,310 |
1,3678 |
22,369 |
1,3679 |
22,428 |
1,3680 |
22,487 |
1,3681 |
22,546 |
1,3682 |
22,605 |
1,3683 |
22,664 |
1,3684 |
22,723 |
1,3685 |
22,781 |
1,3686 |
22,840 |
1,3687 |
22,899 |
1,3688 |
22,958 |
1,3689 |
23,017 |
1,3690 |
23,075 |
1,3691 |
23,134 |
1,3692 |
23,193 |
1,3693 |
23,251 |
1,3694 |
23,310 |
1,3695 |
23,369 |
1,3696 |
23,427 |
1,3697 |
23,486 |
1,3698 |
23,544 |
1,3699 |
23,603 |
1,3700 |
23,661 |
1,3701 |
23,720 |
1,3702 |
23,778 |
1,3703 |
23,836 |
1,3704 |
23,895 |
1,3705 |
23,953 |
1,3706 |
24,011 |
1,3707 |
24,070 |
1,3708 |
24,128 |
1,3709 |
24,186 |
1,3710 |
24,244 |
1,3711 |
24,302 |
1,3712 |
24,361 |
1,3713 |
24,419 |
1,3714 |
24,477 |
1,3715 |
24,535 |
1,3716 |
24,593 |
1,3717 |
24,651 |
1,3718 |
24,709 |
1,3719 |
24,767 |
1,3720 |
24,825 |
1,3721 |
24,883 |
1,3722 |
24,941 |
1,3723 |
24,998 |
1,3724 |
25,056 |
1,3725 |
25,114 |
1,3726 |
25,172 |
1,3727 |
25,230 |
1,3728 |
25287 |
1,3729 |
25,345 |
1,3730 |
25,403 |
1,3731 |
25,460 |
1,3732 |
25,518 |
1,3733 |
25,576 |
1,3734 |
25,633 |
1,3735 |
25,691 |
1,3736 |
25,748 |
1,3737 |
25,806 |
1,3738 |
25,863 |
1,3739 |
25,921 |
1,3740 |
25,978 |
1,3741 |
26,035 |
1,3742 |
26,093 |
1,3743 |
26,150 |
1,3744 |
26,207 |
1,3745 |
26,265 |
1,3746 |
26,322 |
1,3747 |
26,379 |
1,3748 |
26,436 |
1,3749 |
26,493 |
1,3750 |
26,551 |
1,3751 |
26,608 |
1,3752 |
26,665 |
1,3753 |
26,722 |
1,3754 |
26,779 |
1,3755 |
26,836 |
1,3756 |
26,893 |
1,3757 |
26,950 |
1,3758 |
27,007 |
1,3759 |
27,064 |
1,3760 |
27,121 |
1,3761 |
27,178 |
1,3762 |
27,234 |
1,3763 |
27,291 |
1,3764 |
27,348 |
1,3765 |
27,405 |
1,3765 |
27,462 |
1,3767 |
27,518 |
1,3768 |
27,575 |
1,3769 |
27,632 |
1,3770 |
27,688 |
1,3771 |
27,745 |
1,3772 |
27,802 |
1,3773 |
27,858 |
1,3774 |
27,915 |
1,3775 |
27,971 |
1,3776 |
28,028 |
1,3777 |
28,084 |
1,3778 |
28,141 |
1,3779 |
28,197 |
1,3780 |
28,253 |
1,3781 |
28,310 |
1,3782 |
28,366 |
1,3783 |
28,422 |
1,3784 |
28,479 |
1,3785 |
28,535 |
1,3786 |
28,591 |
1,3787 |
28,648 |
1,3788 |
28,704 |
1,3789 |
28,760 |
1,3790 |
28,816 |
1,3791 |
28,872 |
1,3792 |
28,928 |
1,3793 |
28,984 |
1,3794 |
29,040 |
1,3795 |
29,096 |
1,3796 |
29,152 |
1,3797 |
29,208 |
1,3798 |
29,264 |
1,3799 |
29,320 |
1,3800 |
29,376 |
1,3801 |
29,432 |
1,3802 |
29,488 |
1,3803 |
29,544 |
1,3804 |
29,600 |
1,3805 |
29,655 |
1,3806 |
29,711 |
1,3807 |
29,767 |
1,3808 |
29,823 |
1,3809 |
29,878 |
1,3810 |
29,934 |
1,3811 |
29,989 |
1,3812 |
30,045 |
1,3813 |
30,101 |
1,3814 |
30,156 |
1,3815 |
30,212 |
1,3816 |
30,267 |
1,3817 |
30,323 |
1,3818 |
30,378 |
1,3819 |
30,434 |
1,3820 |
30,489 |
1,3821 |
30,544 |
1,3822 |
30,600 |
1,3823 |
30,655 |
1,3824 |
30,711 |
1,3825 |
30,766 |
1,3826 |
30,821 |
1,3827 |
30,876 |
1,3828 |
30,932 |
1,3829 |
30,987 |
1,3830 |
31,042 |
1,3831 |
31,097 |
1,3832 |
31,152 |
1,3833 |
31,207 |
1,3834 |
31,262 |
1,3835 |
31,317 |
1,3836 |
31,372 |
1,3837 |
31,428 |
1,3838 |
31,482 |
1,3839 |
31,537 |
1,3840 |
31,592 |
1,3841 |
31,647 |
1,3842 |
31,702 |
1,3843 |
31,757 |
1,3844 |
31,812 |
1,3845 |
31,867 |
1,3846 |
31,922 |
1,3847 |
31,976 |
1,3848 |
32,031 |
1,3849 |
32,086 |
1,3850 |
32,140 |
1,3851 |
32,195 |
1,3852 |
32,250 |
1,3853 |
32,304 |
1,3854 |
32,359 |
1,3855 |
32,414 |
1,3856 |
32,468 |
1,3857 |
32,523 |
1,3858 |
32,577 |
1,3859 |
32,632 |
1,3860 |
32,686 |
1,3861 |
32,741 |
1,3862 |
32,795 |
1,3863 |
32,849 |
1,3864 |
32,904 |
1,3865 |
32,958 |
1,3866 |
33,013 |
1,3867 |
33,067 |
1,3868 |
33,121 |
1,3889 |
33,175 |
1,3870 |
33,230 |
1,3871 |
33,284 |
1,3872 |
33,338 |
1,3873 |
33,392 |
1,3874 |
33,446 |
1,3875 |
33,500 |
1,3876 |
33,555 |
1,3877 |
33,609 |
1,3878 |
33,663 |
1,3879 |
33,717 |
1,3880 |
33,771 |
1,3881 |
33,825 |
1,3882 |
33,879 |
1,3883 |
33,933 |
1,3884 |
33,987 |
1,3885 |
34,040 |
1,3886 |
34,094 |
1,3887 |
34,148 |
1,3888 |
34,202 |
1,3889 |
34,256 |
1,3890 |
34,310 |
1,3891 |
34,363 |
1,3892 |
34,417 |
1,3893 |
34,471 |
1,3894 |
34,524 |
1,3895 |
34,578 |
1,3896 |
34,632 |
1,3897 |
34,685 |
1,3898 |
34,739 |
1,3899 |
34,793 |
1,3900 |
34,846 |
1,3901 |
34,900 |
1,3902 |
34,953 |
1,3903 |
35,007 |
1,3904 |
35,060 |
1,3905 |
35,114 |
1,3906 |
35,167 |
1,3907 |
35,220 |
1,3908 |
35,274 |
1,3909 |
35,327 |
1,3910 |
35,380 |
1,3911 |
35,434 |
1,3912 |
35,487 |
1,3913 |
35,540 |
1,3914 |
35,593 |
1,3915 |
35,647 |
1,3916 |
35,700 |
1,3917 |
35,753 |
1,3918 |
35,806 |
1,3919 |
35,859 |
1,3920 |
35,912 |
1,3921 |
35,966 |
1,3922 |
36,019 |
1,3923 |
36,072 |
1,3924 |
36,125 |
1,3925 |
36,178 |
1,3926 |
36,231 |
1,3927 |
36,284 |
1,3928 |
36,337 |
1,3929 |
36,389 |
1,3930 |
36,442 |
1,3931 |
36,495 |
1,3932 |
36,548 |
1,3933 |
36,601 |
1,3934 |
36,654 |
1,3935 |
36,706 |
1,3936 |
36,759 |
1,3937 |
36,812 |
1,3938 |
36,865 |
1,3939 |
36,917 |
1,3940 |
36,970 |
1,3941 |
37,023 |
1,3942 |
37,075 |
1,3943 |
37,128 |
1,3944 |
37,180 |
1,3945 |
37,233 |
1,3946 |
37,286 |
1,3947 |
37,338 |
1,3948 |
37,391 |
1,3949 |
37,443 |
1,3950 |
37,495 |
1,3951 |
37,548 |
1,3952 |
37,600 |
1,3953 |
37,653 |
1,3954 |
37,705 |
1,3955 |
37,757 |
1,3956 |
37,810 |
1,3957 |
37,862 |
1,3958 |
37,914 |
1,3959 |
37,967 |
1,3960 |
38,019 |
1,3961 |
38,071 |
1,3962 |
38,123 |
1,3963 |
38,175 |
1,3964 |
38,228 |
1,3965 |
38,280 |
1,3966 |
38,332 |
1,3967 |
38,384 |
1,3968 |
38,436 |
1,3969 |
38,488 |
1,3970 |
38,540 |
1,3971 |
38,592 |
1,3972 |
38,644 |
1,3973 |
38,696 |
1,3974 |
38,748 |
1,3975 |
38,800 |
1,3976 |
38,852 |
1,3977 |
38,904 |
1,3978 |
38,955 |
1,3979 |
39,007 |
1,3980 |
39,059 |
1,3981 |
39,111 |
1,3982 |
39,163 |
1,3983 |
39,214 |
1,3984 |
39,266 |
1,3985 |
39,318 |
1,3986 |
39,370 |
1,3987 |
39,421 |
1,3988 |
39,473 |
1,3989 |
39,525 |
1,3990 |
39,576 |
1,3991 |
39,628 |
1,3992 |
39,679 |
1,3993 |
39,731 |
1,3994 |
39,782 |
1,3995 |
39,834 |
1,3996 |
39,885 |
1,3997 |
39,937 |
1,3998 |
39,988 |
1,3999 |
40,040 |
1,4000 |
40,091 |
1,4001 |
40,142 |
1,4002 |
40,194 |
1,4003 |
40,245 |
1,4004 |
40,296 |
1,4005 |
40,348 |
1,4006 |
40,399 |
1,4007 |
40,450 |
1,4008 |
40,501 |
1,4009 |
40,553 |
1,4010 |
40,604 |
1,4011 |
40,655 |
1,4012 |
40,706 |
1,4013 |
40,757 |
1,4014 |
40,808 |
1,4015 |
40,860 |
1,4016 |
40,911 |
1,4017 |
40,962 |
1,4018 |
41,013 |
1,4019 |
41,064 |
1,4020 |
41,115 |
1,4021 |
41,166 |
1,4022 |
41,217 |
1,4023 |
41,268 |
1,4024 |
41,318 |
1,4025 |
41,369 |
1,4026 |
41,420 |
1,4027 |
41,471 |
1,4028 |
41,522 |
1,4029 |
41,573 |
1,4030 |
41,623 |
1,4031 |
41,674 |
1,4032 |
41,725 |
1,4033 |
41,776 |
1,4034 |
41,826 |
1,4035 |
41,877 |
1,4036 |
41,928 |
1,4037 |
41,978 |
1,4038 |
42,029 |
1,4039 |
42,080 |
1,4040 |
42,130 |
1,4041 |
42,181 |
1,4042 |
42,231 |
1,4043 |
42,282 |
1,4044 |
42,332 |
1,4045 |
42,383 |
1,4046 |
42,433 |
1,4047 |
42,484 |
1,4048 |
42,534 |
1,4049 |
42,585 |
1,4050 |
42,635 |
1,4051 |
42,685 |
1,4052 |
42,736 |
1,4053 |
42,786 |
1,4054 |
42,836 |
1,4055 |
42,887 |
1,4056 |
42,937 |
1,4057 |
42,987 |
1,4058 |
43,037 |
1,4059 |
43,088 |
1,4060 |
43,138 |
1,4061 |
43,188 |
1,4062 |
43,238 |
1,4063 |
43,288 |
1,4064 |
43,338 |
1,4065 |
43,388 |
1,4066 |
43,439 |
1,4067 |
43,489 |
1,4068 |
43,539 |
1,4069 |
43,589 |
1,4070 |
43,639 |
1,4071 |
43,689 |
1,4072 |
43739 |
1,4073 |
43,789 |
1,4074 |
43,838 |
1,4075 |
43,888 |
1,4076 |
43,938 |
1,4077 |
43,988 |
1,4078 |
44,038 |
1,4079 |
44,088 |
1,4080 |
44,138 |
1,4081 |
44,187 |
1,4082 |
44,237 |
1,4083 |
44,287 |
1,4084 |
44,337 |
1,4085 |
44,386 |
1,4086 |
44,436 |
1,4087 |
44,486 |
1,4088 |
44,535 |
1,4089 |
44,585 |
1,4090 |
44,635 |
1,4091 |
44,684 |
1,4092 |
44,734 |
1,4093 |
44,783 |
1,4094 |
44,833 |
1,4095 |
44,882 |
1,4096 |
44,932 |
1,4097 |
44,981 |
1,4098 |
45,031 |
1,4099 |
45,080 |
1,4100 |
45,130 |
1,4101 |
43,179 |
1,4102 |
45,228 |
1,4103 |
45,278 |
1,4104 |
45,327 |
1,4105 |
45,376 |
1,4106 |
45,426 |
1,4107 |
45,475 |
1,4108 |
45,524 |
1,4109 |
45,574 |
1,4110 |
45,623 |
1,4111 |
45,672 |
1,4112 |
45,721 |
1,4113 |
45,770 |
1,4114 |
45,820 |
1,4115 |
45,869 |
1,4116 |
45,918 |
1,4117 |
46,967 |
1,4118 |
46,016 |
1,4119 |
46,065 |
1,4120 |
46,114 |
1,4121 |
46,163 |
1,4122 |
46,212 |
1,4123 |
46,261 |
1,4124 |
46,310 |
1,4125 |
46,359 |
1,4126 |
46,408 |
1,4127 |
46,457 |
1,4128 |
46,506 |
1,4129 |
46,555 |
1,4130 |
46,604 |
1,4131 |
46,652 |
1,4132 |
46,701 |
1,4133 |
46,750 |
1,4134 |
46,799 |
1,4135 |
46,848 |
1,4136 |
46,896 |
1,4137 |
46,945 |
1,4138 |
46,994 |
1,4139 |
47,043 |
1,4140 |
47,091 |
1,4141 |
47,140 |
1,4141 |
47,188 |
1,4143 |
47,237 |
1,4144 |
47,286 |
1,4145 |
47,334 |
1,4146 |
47,383 |
1,4147 |
47,431 |
1,4148 |
47,480 |
1,4149 |
47,528 |
1,4150 |
47,577 |
1,4151 |
47,625 |
1,4152 |
47,674 |
1,4153 |
47,722 |
1,4154 |
47,771 |
1,4155 |
47,819 |
1,4156 |
47,868 |
1,4157 |
47,916 |
1,4158 |
47,964 |
1,4159 |
48,013 |
1,4160 |
48,061 |
1,4161 |
48,109 |
1,4162 |
48,158 |
1,4163 |
48,206 |
1,4164 |
48,254 |
1,4165 |
48,302 |
1,4166 |
48,350 |
1,4167 |
48,399 |
1,4168 |
48,447 |
1,4169 |
48,495 |
1,4170 |
48,543 |
1,4171 |
48,591 |
1,4172 |
48,639 |
1,4173 |
48,687 |
1,4174 |
48,735 |
1,4175 |
48,784 |
1,4176 |
48,832 |
1,4177 |
48,880 |
1,4178 |
48,928 |
1,4179 |
48,976 |
1,4180 |
49,023 |
1,4181 |
49,071 |
1,4182 |
49,119 |
1,4183 |
49,167 |
1,4184 |
49,215 |
1,4185 |
49,263 |
1,4186 |
49,311 |
1,4187 |
49,359 |
1,4188 |
49,407 |
1,4189 |
49,454 |
1,4190 |
49,502 |
1,4191 |
49,550 |
1,4192 |
49,598 |
1,4193 |
49,645 |
1,4194 |
49,693 |
1,4195 |
49,741 |
1,4196 |
49,788 |
1,4197 |
49,836 |
1,4198 |
49,884 |
1,4199 |
49,931 |
1,4200 |
49,979 |
1,4201 |
50,027 |
1,4202 |
50,074 |
1,4203 |
50,122 |
1,4204 |
50,169 |
1,4205 |
50,217 |
1,4206 |
50,264 |
1,4207 |
50,312 |
1,4208 |
50,359 |
1,4209 |
50,407 |
1,4210 |
50,454 |
1,4211 |
50,502 |
1,4212 |
50,549 |
1,4213 |
50,596 |
1,4214 |
50,644 |
1,4215 |
50,691 |
1,4216 |
50,738 |
1,4217 |
50,786 |
1,4218 |
50,833 |
1,4219 |
50,880 |
1,4220 |
50,928 |
1,4221 |
50,975 |
1,4222 |
51,022 |
1,4223 |
51,069 |
1,4224 |
51,116 |
1,4225 |
51,164 |
1,4226 |
51,211 |
1,4227 |
51,258 |
1,4228 |
51305 |
1,4229 |
51,352 |
1,4230 |
51,399 |
1,4231 |
51,446 |
1,4232 |
51,493 |
1,4233 |
51,540 |
1,4234 |
51,587 |
1,4235 |
51,634 |
1,4236 |
51,681 |
1,4237 |
51,728 |
1,4238 |
51,775 |
1,4239 |
51,822 |
1,4240 |
51,869 |
1,4241 |
51,916 |
1,4242 |
51,963 |
1,4243 |
52,010 |
1,4244 |
52,057 |
1,4245 |
52,104 |
1,4246 |
52,150 |
1,4247 |
52,197 |
1,4248 |
52,244 |
1,4249 |
52,291 |
1,4250 |
52,338 |
1,4251 |
52,384 |
1,4252 |
52,431 |
1,4253 |
52,478 |
1,4254 |
52,524 |
1,4255 |
52,571 |
1,4256 |
52,618 |
1,4257 |
52,664 |
1,4258 |
52,711 |
1,4259 |
52,758 |
1,4260 |
52,804 |
1,4261 |
52,851 |
1,4261 |
52,897 |
1,4263 |
52,944 |
1,4264 |
52,990 |
1,4265 |
53,037 |
1,4266 |
53,083 |
1,4267 |
53,130 |
1,4268 |
53,176 |
1,4269 |
53,223 |
1,4270 |
53,269 |
1,4271 |
53,316 |
1,4272 |
53,362 |
1,4273 |
53,408 |
1,4274 |
53,455 |
1,4275 |
53,501 |
1,4276 |
53,548 |
1,4277 |
53,594 |
1,4278 |
53,640 |
1,4279 |
53,686 |
1,4280 |
53,733 |
1,4281 |
53,779 |
1,4282 |
53,825 |
1,4283 |
53,871 |
1,4284 |
53,918 |
1,4285 |
53,964 |
1,4286 |
54,010 |
1,4287 |
54,056 |
1,4288 |
54,102 |
1,4289 |
54,148 |
1,4290 |
54,194 |
1,4291 |
54,241 |
1,4292 |
54,287 |
1,4293 |
54,333 |
1,4294 |
54,379 |
1,4295 |
54,425 |
1,4296 |
54,471 |
1,4297 |
54,517 |
1,4298 |
54,563 |
1,4299 |
54,609 |
1,4300 |
54,655 |
1,4301 |
54,701 |
1,4302 |
54,746 |
1,4303 |
54,792 |
1,4304 |
54,838 |
1,4305 |
54,884 |
1,4306 |
54,930 |
1,4307 |
54,976 |
1,4308 |
55,022 |
1,4309 |
55067 |
1,4310 |
55,113 |
1,4311 |
55,159 |
1,4312 |
55,205 |
1,4313 |
55,250 |
1,4314 |
55,296 |
1,4315 |
55,342 |
1,4316 |
55,388 |
1,4317 |
55,433 |
1,4318 |
55,479 |
1,4319 |
55,524 |
1,4320 |
55,570 |
1,4321 |
55,616 |
1,4322 |
55,661 |
1,4323 |
55,707 |
1,4324 |
55,752 |
1,4325 |
55,798 |
1,4326 |
55,844 |
1,4327 |
55,889 |
1,4328 |
55,935 |
1,4329 |
55,980 |
1,4330 |
56,026 |
1,4331 |
56,071 |
1,4332 |
56,116 |
1,4133 |
56,162 |
1,4334 |
56,207 |
1,4335 |
56,253 |
1,4336 |
56,298 |
1,4337 |
56,343 |
1,4338 |
56,389 |
1,4339 |
56,434 |
1,4340 |
56,479 |
1,4341 |
56,525 |
1,4342 |
56,570 |
1,4343 |
56,615 |
1,4344 |
56,660 |
1,4345 |
56,706 |
1,4346 |
56,751 |
1,4347 |
56,796 |
1,4348 |
56,841 |
1,4349 |
56,887 |
1,4350 |
56,932 |
1,4351 |
56,977 |
1,4352 |
57,022 |
1,4353 |
57,067 |
1,4354 |
57,112 |
1,4355 |
57,157 |
1,4356 |
57,202 |
1,4357 |
57,247 |
14358 |
57,292 |
1,4359 |
57,337 |
1,4360 |
57,382 |
1,4361 |
57,427 |
1,4362 |
57,472 |
1,4363 |
57,517 |
1,4364 |
57,562 |
1,4365 |
57,607 |
1,4366 |
57,652 |
1,4367 |
57,697 |
1,4368 |
57,742 |
1,4369 |
57,787 |
1,4370 |
57,832 |
1,4371 |
57,877 |
1,4372 |
57,921 |
1,4373 |
57,966 |
1,4374 |
58,011 |
1,4375 |
58,056 |
1,4376 |
58,101 |
1,4377 |
58,145 |
1,4378 |
58,190 |
1,4379 |
58,235 |
1,4380 |
58,279 |
1,4381 |
58,324 |
1,4382 |
58,369 |
1,4383 |
58,413 |
1,4384 |
53,458 |
1,4385 |
58,503 |
1,4386 |
58,547 |
1,4387 |
58,592 |
1,4388 |
58,637 |
1,4389 |
58,681 |
1,4390 |
58,726 |
1,4391 |
58,770 |
1,4392 |
58,815 |
1,4393 |
58,859 |
1,4394 |
58,904 |
1,4395 |
58,948 |
1,4396 |
58,993 |
1,4397 |
59,037 |
1,4398 |
59,082 |
1,4399 |
59,126 |
1,4400 |
59,170 |
1,4401 |
59,215 |
1,4402 |
59,259 |
1,4403 |
59,304 |
1,4404 |
59,348 |
1,4405 |
59,392 |
1,4406 |
59,437 |
1,4407 |
59,481 |
1,4408 |
59,525 |
1,4409 |
59,569 |
1,4410 |
59,614 |
1,4411 |
59,658 |
1,4412 |
59,702 |
1,4413 |
59,746 |
1,4414 |
59,791 |
1,4415 |
59,835 |
1,4416 |
59,879 |
1,4417 |
59,923 |
1,4418 |
59,967 |
1,4419 |
60,011 |
1,4420 |
60,056 |
1,4421 |
60,100 |
1,4422 |
60,144 |
1,4423 |
60,188 |
1,4424 |
60,232 |
1,4425 |
60,276 |
1,4426 |
60,320 |
1,4427 |
60,364 |
1,4428 |
60,408 |
1,4429 |
60,452 |
1,4430 |
60,496 |
1,4431 |
60,540 |
1,4432 |
60,584 |
1,4433 |
60,628 |
1,4434 |
60,672 |
1,4435 |
60,716 |
1,4436 |
60,759 |
1,4437 |
60,803 |
1,4438 |
60,847 |
1,4439 |
60,891 |
1,4440 |
60,935 |
1,4441 |
60,979 |
1,4442 |
61,023 |
1,4443 |
61,066 |
1,4444 |
61,110 |
1,4445 |
61,154 |
1,4446 |
61,198 |
1,4447 |
61,241 |
1,4448 |
61,285 |
1,4449 |
61,329 |
1,4450 |
61,372 |
1,4451 |
61,416 |
1,4452 |
61,460 |
1,4453 |
61,503 |
1,4454 |
61,547 |
1,4455 |
61,591 |
1,4456 |
61,634 |
1,4457 |
61,678 |
1,4458 |
61,721 |
1,4459 |
61,765 |
1,4460 |
61,809 |
1,4461 |
61,852 |
1,4462 |
61,896 |
1,4463 |
61,939 |
1,4464 |
62,983 |
1,4465 |
62,026 |
1,4466 |
62,070 |
1,4467 |
62,113 |
1,4468 |
62,156 |
1,4469 |
62,200 |
1,4470 |
62,243 |
1,4471 |
62,287 |
1,4472 |
62,330 |
1,4473 |
62,373 |
1,4474 |
62,417 |
1,4475 |
62,460 |
1,4476 |
62,503 |
1,4477 |
62,547 |
1,4478 |
62,590 |
14479 |
62,633 |
1,4480 |
62,677 |
1,4481 |
62,720 |
1,4482 |
62,763 |
1,4483 |
62,806 |
1,4184 |
62,849 |
1,4485 |
62,893 |
1,4486 |
62,936 |
1,4487 |
62,979 |
1,4488 |
63,022 |
1,4489 |
63,065 |
1,4490 |
63,108 |
1,4491 |
63,152 |
1,4492 |
63,195 |
1,4493 |
63,238 |
1,4494 |
63,281 |
1,4495 |
63,324 |
1,4496 |
63,367 |
1,4497 |
63,410 |
1,4498 |
63,453 |
1,4499 |
63,496 |
1,4500 |
63,539 |
1,4501 |
63,582 |
1,4502 |
63,625 |
1,4503 |
63,668 |
1,4304 |
63,711 |
1,4505 |
63,754 |
1,4506 |
63,797 |
1,4507 |
63,840 |
1,4508 |
63,882 |
1,4509 |
63,925 |
1,4510 |
63,968 |
1,4511 |
64,011 |
1,4512 |
64,054 |
1,4513 |
64,097 |
1,4514 |
64,139 |
1,4515 |
64,182 |
1,4516 |
64,225 |
1,4517 |
64,268 |
1,4518 |
64,311 |
1,4519 |
64,353 |
1,4520 |
64,396 |
1,4521 |
64,439 |
1,4522 |
64,481 |
1,4523 |
64,524 |
1,4524 |
64,567 |
1,4525 |
64,609 |
1,4526 |
64,652 |
1,4527 |
64,695 |
1,4528 |
64,737 |
1,4529 |
64,780 |
1,4530 |
64,823 |
1,4531 |
64,865 |
1,4532 |
64,908 |
1,4533 |
64,950 |
1,4534 |
64,993 |
1,4535 |
65,035 |
1,4536 |
65,078 |
1,4537 |
65,120 |
1,4538 |
65,163 |
1,4539 |
65,205 |
1,4540 |
65,248 |
1,4541 |
65,290 |
1,4542 |
65,333 |
1,4543 |
65,375 |
1,4544 |
65,417 |
1,4545 |
65,460 |
1,4546 |
65,502 |
1,4547 |
65,544 |
1,4548 |
65,587 |
1,4549 |
65,629 |
1,4550 |
65,672 |
1,4551 |
65,714 |
1,4552 |
65,756 |
1,4553 |
65,798 |
1,4554 |
65,841 |
1,4555 |
65,883 |
1,4556 |
65,925 |
1,4557 |
65,967 |
1,4558 |
66,010 |
1,4559 |
66,052 |
1,4560 |
66,094 |
1,4561 |
66,136 |
1,4562 |
66,178 |
1,4563 |
66,221 |
1,4564 |
66,263 |
1,4565 |
66,305 |
1,4566 |
66,347 |
1,4567 |
66,389 |
1,4568 |
66,431 |
1,4569 |
66,473 |
1,4570 |
66,515 |
1,4571 |
66,557 |
1,4572 |
66,599 |
1,4573 |
66,641 |
1,4574 |
66,683 |
1,4575 |
66,725 |
1,4576 |
66,767 |
1,4577 |
66,809 |
1,4578 |
66,851 |
1,4579 |
66,893 |
1,4580 |
66,935 |
1,4581 |
66,977 |
1,4582 |
67,019 |
1,4583 |
67,061 |
1,4584 |
67,103 |
1,4585 |
67,145 |
1,4586 |
67,186 |
1,4587 |
67,228 |
1,4588 |
67,270 |
1,4589 |
67,312 |
1,4590 |
67,354 |
1,4591 |
67,396 |
1,4592 |
67,437 |
1,4593 |
67,479 |
1,4594 |
67,521 |
1,4595 |
67,563 |
1,4596 |
67,604 |
1,4597 |
67,646 |
1,4598 |
67,688 |
1,4599 |
67,729 |
1,4600 |
67,771 |
1,4601 |
67,813 |
1,4602 |
67,854 |
1,4603 |
67,896 |
1,4604 |
67,938 |
1,4605 |
67,979 |
1,4606 |
68,021 |
1,4607 |
68,063 |
1,4608 |
68,104 |
1,4609 |
68,146 |
1,4610 |
68,187 |
1,4611 |
68,229 |
1,4611 |
68,270 |
1,4613 |
68,312 |
1,4614 |
68,353 |
1,4615 |
68,395 |
1,4616 |
68,436 |
1,4617 |
68,478 |
1,4618 |
68,519 |
1,4619 |
68,561 |
1,4620 |
68,602 |
1,4621 |
68,643 |
1,4622 |
68,685 |
1,4623 |
68,726 |
1,4624 |
68,768 |
1,4625 |
68,809 |
1,4626 |
68,850 |
1,4627 |
68,892 |
1,4628 |
68,933 |
1,4629 |
68,974 |
1,4630 |
69,016 |
1,4631 |
69,057 |
1,4632 |
69,098 |
1,4633 |
69,139 |
1,4634 |
69,181 |
1,4635 |
69,222 |
1,4636 |
69,263 |
1,4637 |
69,304 |
1,4638 |
69,346 |
1,4639 |
69,387 |
1,4640 |
69,428 |
1,4641 |
69,469 |
1,4642 |
69,510 |
1,4643 |
69,551 |
1,4644 |
69,593 |
1,4645 |
69,634 |
1,4646 |
69,675 |
1,4647 |
69,716 |
1,4648 |
69,757 |
1,4649 |
69,798 |
1,4650 |
69,839 |
1,4651 |
69,880 |
1,4652 |
69,921 |
1,4653 |
69,962 |
1,4654 |
70,003 |
1,4655 |
70,044 |
1,4656 |
70,085 |
1,4657 |
70,126 |
1,4658 |
70,167 |
1,4659 |
70,208 |
1,4660 |
70,249 |
1,4661 |
70,290 |
1,4662 |
70,331 |
1,4663 |
70,372 |
1,4664 |
70,413 |
1,4665 |
70,453 |
1,4666 |
70,494 |
1,4667 |
70,535 |
1,4668 |
70,576 |
1,4669 |
70,617 |
1,4670 |
70,658 |
1,4671 |
70,698 |
1,4672 |
70,739 |
1,4673 |
70,780 |
1,4674 |
70,821 |
1,4675 |
70,861 |
1,4676 |
70,902 |
1,4677 |
70,943 |
1,4678 |
70,984 |
1,4679 |
71024 |
1,4680 |
71,065 |
1,4681 |
71,106 |
1,4681 |
71,146 |
1,4683 |
71,187 |
1,4684 |
71,228 |
1,4685 |
71,268 |
1,4686 |
71,309 |
1,4687 |
71,349 |
1,4688 |
71,390 |
1,4689 |
71,431 |
1,4690 |
71,471 |
1,4691 |
71,512 |
1,4692 |
71,552 |
1,4693 |
71,593 |
1,4694 |
71,633 |
1,4695 |
71,674 |
1,4696 |
71,714 |
1,4697 |
71,755 |
1,4698 |
71,795 |
1,4699 |
71,836 |
1,4700 |
71,876 |
1,4701 |
71,917 |
1,4702 |
71,957 |
1,4703 |
71,998 |
1,4704 |
72,038 |
1,4705 |
72,078 |
1,4706 |
72,119 |
1,4707 |
72,159 |
1,4708 |
72,199 |
1,4709 |
72,240 |
1,4710 |
72,280 |
1,4711 |
72,320 |
1,4712 |
72,361 |
1,4713 |
72,401 |
1,4714 |
72,441 |
1,4715 |
72,482 |
1,4716 |
72,522 |
1,4717 |
72,562 |
1,4718 |
72,602 |
1,4719 |
72,643 |
1,4720 |
72,683 |
1,4721 |
72,723 |
1,4722 |
72,763 |
1,4723 |
72,803 |
1,4724 |
72,843 |
1,4725 |
72,884 |
1,4726 |
72924 |
1,4727 |
72,964 |
1,4728 |
73,004 |
1,4729 |
73,044 |
1,4730 |
73,084 |
1,4731 |
73,124 |
1,4732 |
73,164 |
1,4733 |
73,204 |
1,4734 |
73,244 |
1,4735 |
73,285 |
1,4736 |
73,325 |
1,4737 |
73,365 |
1,4738 |
73,405 |
1,4739 |
73,445 |
1,4740 |
73,485 |
1,4741 |
73,524 |
1,4742 |
73,564 |
1,4743 |
73,604 |
1,4744 |
73,644 |
1,4745 |
73,684 |
1,4746 |
73,724 |
1,4747 |
73,764 |
1,4748 |
73,804 |
1,4749 |
73,844 |
1,4750 |
73,884 |
1,4751 |
73,924 |
1,4752 |
73,963 |
1,4753 |
74,003 |
1,4754 |
74,043 |
1,4755 |
74,083 |
1,4756 |
74,123 |
1,4757 |
74,162 |
1,4758 |
74,202 |
1,4759 |
74,242 |
1,4760 |
74,282 |
1,4761 |
74,321 |
1,4762 |
74,361 |
1,4763 |
74,401 |
1,4764 |
74,441 |
1,4765 |
74,480 |
1,4766 |
74,520 |
1,4767 |
74,560 |
1,4768 |
74,599 |
1,4769 |
74,639 |
1,4770 |
74,678 |
1,4771 |
74,718 |
1,1772 |
74,758 |
1,4773 |
74,797 |
1,4774 |
74,837 |
1,4775 |
74,876 |
1,4776 |
74,916 |
1,4777 |
74,956 |
1,4778 |
74,995 |
1,4779 |
75,035 |
1,4780 |
75,074 |
1,1781 |
75,114 |
1,4782 |
75,153 |
1,4783 |
75,193 |
1,4784 |
75,232 |
1,4785 |
75,272 |
1,4786 |
75,311 |
1,4787 |
75,350 |
1,4788 |
75,390 |
1,4789 |
75,429 |
1,4790 |
75,469 |
1,4791 |
75,508 |
1,4792 |
75,547 |
1,4793 |
75,587 |
1,4794 |
75,626 |
1,4795 |
75,666 |
1,4796 |
75,705 |
1,4797 |
75,744 |
1,4798 |
75,784 |
1,4799 |
75,823 |
1,4800 |
75,862 |
1,4801 |
75,901 |
1,4802 |
75,941 |
1,4803 |
75,980 |
1,4804 |
76,019 |
1,4805 |
76,058 |
1,4806 |
76,098 |
1,4807 |
76,137 |
1,4808 |
76,176 |
1,4809 |
76,215 |
1,4810 |
76,254 |
1,4810 |
76,294 |
1,4812 |
76,333 |
1,4813 |
76,372 |
1,4814 |
76,411 |
1,4815 |
76,450 |
1,4816 |
76,489 |
1,4817 |
76,528 |
1,4818 |
76,567 |
1,4819 |
76,607 |
1,4820 |
76,646 |
1,4821 |
76,685 |
1,4822 |
76,724 |
1,4823 |
76,763 |
1,4824 |
76,802 |
1,4825 |
76,841 |
1,4826 |
76,880 |
1,4827 |
76,919 |
1,4828 |
76,958 |
1,4829 |
76,997 |
1,4830 |
77,036 |
1,4831 |
77,075 |
1,4832 |
77,113 |
1,4833 |
77,152 |
1,4834 |
77,191 |
1,4835 |
77,230 |
1&xxxx;4336 |
77269 |
1,4837 |
77,308 |
1,4838 |
77,347 |
1,4839 |
77,386 |
1,4840 |
77,425 |
1,4841 |
77,463 |
1,4842 |
77,502 |
1,4843 |
77,541 |
1,4844 |
77,580 |
1,4845 |
77,619 |
1,4846 |
77,657 |
1,4847 |
77,696 |
1,4848 |
77,735 |
1,4849 |
77,774 |
1,4850 |
77,812 |
1,4851 |
77,851 |
1,4852 |
77,890 |
1,4853 |
77,928 |
1,4854 |
77,967 |
1,4855 |
78,006 |
1,4856 |
78,045 |
1,4857 |
78,083 |
1,4858 |
78,122 |
1,4859 |
78,160 |
1,4860 |
78,199 |
1,4861 |
78,238 |
1,4862 |
78,276 |
1,4863 |
78,315 |
1,4864 |
78,353 |
1,4865 |
78,392 |
1,4866 |
78,431 |
1,4867 |
78,469 |
1,4868 |
78,508 |
1,4869 |
78,546 |
1,4870 |
78,585 |
1,4871 |
78,623 |
1,4872 |
78,662 |
1,4873 |
78,700 |
1,4874 |
78,739 |
1,4875 |
78,777 |
1,4876 |
78,816 |
1,4877 |
78,854 |
1,4878 |
78,892 |
1,4879 |
78,931 |
1,4880 |
78,969 |
1,4881 |
79,008 |
1,4882 |
79,046 |
1,4883 |
79,084 |
1,4884 |
79,123 |
1,4885 |
79,161 |
1,4886 |
79,199 |
1,4887 |
79,238 |
1,4888 |
79,276 |
1,4889 |
79,314 |
1,4890 |
79,353 |
1,4891 |
79,391 |
1,4892 |
79,429 |
1,4893 |
79,468 |
1,4894 |
79,506 |
1,4895 |
79,544 |
1,4896 |
79,582 |
1,4897 |
79,620 |
1,4898 |
79,659 |
1,4899 |
79,697 |
1,4900 |
79,735 |
1,4901 |
79,773 |
1,4902 |
79,811 |
1,4903 |
79,850 |
1,4904 |
79,888 |
1,4905 |
79,926 |
1,4906 |
79,964 |
1,4907 |
80,002 |
1,4908 |
80,040 |
1,4909 |
80,078 |
1,4910 |
80,116 |
1,4911 |
80,154 |
1,4912 |
80,192 |
1,4913 |
80,231 |
1,4914 |
80,269 |
1,4915 |
80,307 |
1,4916 |
80,345 |
1,4917 |
80,383 |
1,4918 |
80,421 |
1,4919 |
80,459 |
1,4920 |
80,497 |
1,4921 |
80,534 |
1,4922 |
80,572 |
1,4923 |
80,610 |
1,4924 |
80,648 |
1,4925 |
80,686 |
1,4926 |
80,724 |
1,4927 |
80,762 |
1,4928 |
80,800 |
1,4929 |
80,838 |
1,4930 |
80,876 |
1,4931 |
80,913 |
1,4932 |
80,951 |
1,4933 |
80,989 |
1,4934 |
81,027 |
1,4935 |
81,065 |
1,4936 |
81,103 |
1,4937 |
81,140 |
1,4938 |
81,178 |
1,4939 |
81,216 |
1,4940 |
81,254 |
1,4941 |
81,291 |
1,4942 |
81,329 |
1,4943 |
81,367 |
1,4944 |
81,405 |
1,4945 |
81,442 |
1,4946 |
81,480 |
1,4947 |
81,518 |
1,4948 |
81,555 |
1,4949 |
81,593 |
1,4950 |
81,631 |
1,4951 |
81,668 |
1,4952 |
81,706 |
1,4953 |
81,744 |
1,4954 |
81,781 |
1,4955 |
81,819 |
1,4956 |
81,856 |
1,4957 |
81,894 |
1,4958 |
81,932 |
1,4959 |
81,969 |
1,4960 |
82,007 |
1,4961 |
82,044 |
1,4962 |
82,082 |
1,4963 |
82,119 |
1,4964 |
82,157 |
1,4965 |
82,194 |
1,4966 |
82,232 |
1,4967 |
82,269 |
1,4968 |
82,307 |
1,4969 |
82,344 |
1,4970 |
82,381 |
1,4971 |
82,419 |
1,4972 |
82,456 |
1,4973 |
82,494 |
1,4974 |
87,531 |
1,4975 |
82,569 |
1,9976 |
82,606 |
1,4977 |
82,643 |
1,4978 |
82,681 |
1,4979 |
82,718 |
1,4980 |
82,755 |
1,4981 |
82,793 |
1,4982 |
82,830 |
1,4983 |
82,867 |
1,4984 |
82,905 |
1,4985 |
82,942 |
1,4986 |
82,979 |
1,4987 |
83,016 |
1,4988 |
83,054 |
1,4989 |
83,091 |
14990 |
83,128 |
1,4991 |
83,165 |
1,4992 |
83,202 |
1,4993 |
83,240 |
1,4994 |
83,277 |
1,4995 |
83,314 |
1,4996 |
83,351 |
1,4997 |
83,388 |
1,4998 |
83,425 |
14999 |
83,463 |
1,5000 |
83,500 |
1,5001 |
83,537 |
1,5002 |
83,574 |
1,5003 |
83,611 |
1,5004 |
83,648 |
1,5005 |
83,685 |
1,5006 |
83,722 |
1,5007 |
83,759 |
1,5008 |
83,796 |
1,5009 |
83,833 |
1,5010 |
83,870 |
1,5011 |
83,907 |
1,5012 |
83,944 |
1,5013 |
83,981 |
1,5014 |
84,018 |
1,5015 |
84,055 |
1,5016 |
84,092 |
1,5017 |
84,129 |
1,5018 |
84,166 |
1,5019 |
84,203 |
1,5020 |
84,240 |
1,5021 |
84,277 |
1,5022 |
84,314 |
1,5023 |
84,351 |
1,5024 |
84,388 |
1,5025 |
84,424 |
1,5026 |
84,461 |
1,5027 |
84,498 |
1,5028 |
84,535 |
1,5029 |
84,572 |
1,5030 |
84,609 |
1,5031 |
84,645 |
1&xxxx;5032 |
84,682 |
1,5033 |
84,719 |
1,5034 |
84,756 |
1,5035 |
84,792 |
1,5036 |
84,829 |
1,5037 |
84,866 |
1,5038 |
84,903 |
1,5039 |
84,939 |
1,5040 |
84,976 |
1,5041 |
85,013 |
1,5042 |
85,049 |
1,5043 |
85,086 |
1,5044 |
85,123 |
1,5045 |
85,159 |
1,5046 |
85,196 |
1,5047 |
85,233 |
1,5048 |
85,269 |
1,5049 |
85,306 |
1,5050 |
85,343 |
1,5051 |
85,379 |
1,5052 |
85,416 |
1,5053 |
85,452 |
1,5054 |
85,489 |
1,5055 |
85,525 |
1,5056 |
85,562 |
1,5057 |
85,598 |
1,5058 |
85,635 |
1,5059 |
85,672 |
1,5060 |
85,708 |
1,5061 |
85,744 |
1,5062 |
85,781 |
1,5063 |
85,817 |
1,5064 |
85,854 |
1,5065 |
85,890 |
1,5066 |
85,927 |
1,5067 |
85,963 |
1,5068 |
86,000 |
1,5069 |
86,036 |
1,5070 |
86,072 |
1,5071 |
86,109 |
1,5072 |
86,145 |
1,5073 |
86,182 |
1,5074 |
86,218 |
1,5075 |
86,254 |
1,5076 |
86,291 |
1,5077 |
86,327 |
1,5078 |
86,363 |
1,5079 |
86,399 |
[1] Xxxxxxx x v xxxxxx xxxxxxxxx xxxx vypočteny xxxxxx xxxxxxx, xxxxxx xxxxxxx xxx XXXXXX xx K. Rosenhauer. Xxxxxxx xxxx xxxxxxxxxxxxxx x xxxxxxx xxxxxxxxx Xxxxxxx X. Carpenterem x XXXX a xxxx xxxxxxxxxxx v Xxxxx J. 33, 15-22 (xxxxxx 1970). Xxxxx lomu byl xxxxx xxx 20 °X pomocí X xxxx Xx. Xxxx (xxxxxxxx xxxxxxxxxx xxxxxxxxx) xxx xxxxxx xxxxxxx xxx 20 °X xx vzduchu při xxxxx 760 torrů (xx Xx) x xxxxxxxxxxxxxxxxx relativní xxxxxxxx. Xxxx xxxxxxx xxxxxxxxx xxxxxxx xxxxxxxxx (47 012, xxxxxx 11) xxxxxxxxxxxx x Intern. Xxxxx X. 39, 22 (1937).
XXXXXX 4
XXXXXXXXX REDUKUJÍCÍCH XXXXX XXXXXXXXXXX XXXX XXXXXXXX CUKRY
(Metoda xxxxx xxxxxx Xxxxxx Xxxxxxxx)
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx xxxxxx xx xxxxxxxxx xxxxxxxxxxxx cukrů xxxxxxxxxxx jako invertní xxxx x cukru xxxxxxxxx
2. Definice
„Redukující cukry xxxxxxxxx xxxx invertní xxxx“: xxxxx xxxxxxxxxxxx xxxxx xxxxxxxxx xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxx xxxxxx x obsahem xxxxxxxxxxxx xxxxx xx xxxxxxx xxx redukci xxxxxxx komplexu xxxx XX. Vzniklý oxid xxxxx xx xxx xxxxxxx odměrným xxxxxxxx xxxx (xx známým xxxxxx), jehož xxxxxxxx xx xxxxxxx xxxxxxx xxxxxxx odměrným xxxxxxxx xxxxxxxxxx xxxxxxx (se xxxxxx titrem).
4. Xxxxxxx xxxxxxx
4.1 Xxxxxx Xx XX (Mullerův xxxxxx)
4.1.1 Xx 400 xx xxxxxx xxxx xx xxxxxxxx 35 x xxxxxx xxxxxxxxx xxxxxxxxxxxx (XxXX4 5H2O) a xxxxx xx xxxxxxxxxxx.
4.1.2 X 500 ml xxxxxx xxxx xx xxxxxxxx 173 g xxxxxx sodnodraselného tetrahydrátu (Xxxxxxxxxx xxxx Xxxxxxxxxxx xxx, XXxX4X4X6,4X2X) x 68 x bezvodého xxxxxxxxxx sodného x xxxxx se xxxxxxxxxxx.
4.1.3 Xxx xxxxxxx (4.1.1 x 4.1.2) xx xxxxxxxx do xxxxxxx xxxxxxx baňky x xxxxxx xx vodou xx 1 xxxxx. Xx přidání 2 x xxxxxxxxx xxxx xx xxxxx xxxxxxxx, xxxxx se xxxxxxx xxxxx xxxx x xxxx xx xxxxxxxxxxx xxxx hustý xxxxxxxx xxxx xxxxxxxxxx xxxxx.
Xxxxx xx x xxxxxxx xxxxxxxxxx xxxxxxx xxxxxx xxxx xxxxxxxx xxxxx xxxxxxx, xx xxxxx xxxxxx xxxxx xxxxxxxxxxxx.
4.2 Xxxxxxxx octová, xxxxxx 5 xxx/x.
4.3 Roztok xxxx, 0,01665 xxx/x (0,0333X; 4,2258 x/x).
4.4 Xxxxxx xxxxxxxxxx xxxxxxx, xxxxxx 0,0333 xxx/x.
4.5 Xxxxxx xxxxxx: xx xxxxx vroucí vody xx xxxxxxx xxxx 5 x rozpustného xxxxxx xxxxxxxxxxxx ve 30 xx xxxx, xxxxxx se 3 xxxxxx x nechá xxxxxxxxxxx. V xxxxxxx xxxxxxx xx přidá 10 xx jodidu xxxxxxxxxx xxxx konzervačního xxxxxxx.
5. Xxxxxxxxx x xxxxxxx
5.1 Xxxxxxxxxxxxx xxxxx, 300 xx; přesné xxxxxx x xxxxxx.
5.2 Xxxxx xxxxx, xxxxxx.
6. Xxxxxx
6.1 Xx 300 xx Xxxxxxxxxxxxx xxxxx xx xxxxxx xxxx xxxxxx (10 x xxxx méně), xxxxx xxxxxxxxxx xxxx xxx 30 xx xxxxxxxxxx xxxxx, x rozpustí xx xxxxxxxxx xx 100 ml xxxx.
Xx xxxxx s xxxxxxxx xxxxxx se xxxxxxxxxx 10 ml xxxxxxx Xx XX (4.1), xxxxx xx krouživým xxxxxxx xxxxxxx x xxxxx xx vloží xx xxxxxx xxxxx xxxxx (5.2) xx xxxx přesně 10 xxxxx.
Xxxxxxx xxxxxxx x Xxxxxxxxxxxxx xxxxx musí xxx xxxxxxx 20 xx xxx xxxxxx xxxxxxx xx vodní xxxxx. Xxxxx xx xxxxxx xxxxxxx xxxxxxx xxxxxxx xxxx, přičemž xx xxxxxx xxxxx xxxxxxxxxxx, xxx xxxxxxx x xxxxxxxx oxidaci xxxxxxxxxxx xxxxx xxxxxxx xxxxxxxx xxxxxxxx.
Xxx xxxxxxxxxxxx xxxxxx se pipetou xxxxx 5 ml xxxxxxx xxxxxxxx xxxxxx (4.2) o koncentraci 5 xxx/x x xxxxx poté se xxxxxxx xxxxx xxxxxxxx (20 xx 40 xx) xxxxxxx jódu (4.3) o xxxxxxxxxxx 0,016 65 xxx/x.
Xxxxxxxxx xxxx xx xxxxxxxx xxxxxxxx a xxxxxxxx xxxx xx xxxxxxx xxxxxxxx thiosíranu xxxxxxx (4.4) x xxxxxxxxxxx 0,0333 xxx/x xxx xxxxxxx xxxxxxx škrobu (4.5) xxxx xxxxxxxxxx. Xxxxxxxxx xx přidává xx konci xxxxxxx.
6.2 X vodou xx xxxxxxx slepý xxxxx, xxxxx xx opakuje xxxx při xxxxxxx xxxxxx xxxxxxx Cu XX (4.4). Xxxxxxxx xxxxxxxx xxxxxxxxxx 0,1 xx.
6.3 S xxxxxxxx xxxxxxxx xx xx xxxxxx xxxxxxx kontrolní xxxxxxx. Roztok se xxxxx stát při xxxxxxxxxxx xxxxxxx po xxxx 10 minut, xxx xxxxx dojít x reakci xxxxxx, xxxxxxxxxx přítomných xxxxxxxxxxxx xxxxx, xxxx xx xxxxxxxxx xxxx xxxxxxxx.
7. Xxxxxxxxx xxxxxxxx
7.1 Xxxxxx x xxxxxx xxxxxxx
Xxxxx xxxxxxxxxxxxxx xxxxxxx xxxx xx xxxxx xxxxxx (xx) xxxxxxxx přidaného xxxxxxx xxxx (0,016 65 xxx/x) xxxxx xxxxx (ml) roztoku xxxxxxxxxx xxxxxxx (0,0333 xxx/x) xxxxxxxxxxxxxx xxx xxxxxxx.
Xxxxx (xx) xxxxxxxxxxxxxx xxxxxxx xxxx (0,016 65 xxx/x) xx xxxxxx xxxxxxxxx:
7.1.1 počtu xx spotřebovaných xxx xxxxxx xxxxxx x xxxxx (6.2),
7.1.2 počtu xx xxxxxxxxxxxxxx při xxxxxxxxx xxxxxxx x xxxxxxxx roztokem za xxxxxx (6.3),
7.1.3 objemu 2,0 xx xx xxxxxxx 10 x xxxxxxxxx přítomné v xxxxxxxx alikvotním podílu xxxx úměrného xxxxxxxx, xxxxxxxx-xx vzorek xxxx xxx 10 g xxxxxxxxx (korekce na xxxxxxxxx).
Xx provedení xxxxxx xxxxxxx odpovídá xxxxxxxx 1 xx jodového xxxxxxx (4.3) 1 xx xxxxxxxxxx cukru.
Obsah xxxxxxxxxx xxxxx v xxxxxxxxxx xxxxxx se xxxxxxxx xxxxx xxxxxx:
xxx:
X1 = xxxxx xx xxxxxxxx xxxxxxx (4.3) xx xxxxxxx,
x0 = xxxxxxxx použitého vzorku (x).
7.2 Xxxxxxxxxxxxxx
Xxxxxx xxxx xxxxxxxx dvou stanovení xxxxxxxxxxx xxxxxxx xxxx xxxxxx xx xxxxx x xxxxx vzorku xxxxxx xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx nesmí xxx xxxxx xxx 0,02 x xx 100 x xxxxxx.
XXXXXX 5
XXXXXXXXX XXXXXXXXXXXX XXXXX XXXXXXXXXXX JAKO XXXXXXXX XXXX
(Xxxxxx xxxxx Xxxxxxx x Xxxxxx)
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx xxxxxx xx stanovení xxxxxxxxxxxx cukrů vyjádřených xxxx invertní xxxx
- x xxxxx nebo x xxxxx xxxxx,
- x cukru xxxxx xxxxx.
2. Definice
„Redukující xxxxx xxxxxxxxx jako xxxxxxxx xxxx“: obsah redukujících xxxxx xxxxxxxxx xxxxxxxx xxxxxxx.
3. Xxxxxxxx metody
K xxxxxxx vzorku se xxxxx x přebytku xxxxxxx x xxxxxxx Xx II, zredukovaný x nezredukovaný podíl xx xxx xxxxxxx xxxxxxx xxxxxxx x xxxxxxxx XXXX.
4. Reakční xxxxxxx
4.1 Xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx (xxxxxxxxx xxx) (XXXX), xxxxxx 0,0025 xxx/x: xxxxxxxx se 0,930 x XXXX ve xxxx x xxxxxx xx xxxxx xx xxxxxxx xxxxx.
4.2 Xxxxxx xxxxxxxxxx xxxxxxxx: 0,25 x xxxxxxxx xx xxxxx do 50 xx xxxx x xxxxxx xx x 20 ml xxxxxxx xxxxxxx xxxxxxxxxxx xxxxx x xxxxxxxxxxx 0,2 x/100 ml.
4.3 Xxxxxxxxx xxxxxxx xxxxxxx: x 600 ml vody xxxxxxxxxx 40 ml xxxxxxxxx sodného o xxxxxxxxxxx 1,0 mol/l xx xxxxxxxx 25 x xxxxxxxxx uhličitanu xxxxxxx x 25 x xxxxxx sodnodraselného xxxxxxxxxxxx. Xxxxxxxxx v 100 xx vody xx rozpustí 6,0 x xxxxxx xxxxxxxxx – pentahydrátu (XxXX4 5X2X), vzniklý roztok xx přidá x xxxxxxx xxxxxx x xxxxxx xxxxx xx xxxxxxx litru.
Poznámka: Roztok xx omezenou trvanlivost (xxxxx xxxxx).
4.4 Standardní xxxxxx xxxxxxxxxx cukru: x xxxxxxx xxxxx x xxxxxx 250 xx xx xxxxxxxx 23,750 x xxxxx xxxxxxxxx (4.5) asi xx 120 xx xxxx. Přidá se 9 xx kyseliny xxxxxxxxxxxxxx (C20 = 1,16) x nechá xx stát xxx xxxxxxxxxxx xxxxxxx po xxxx 8 dní. Xxxxxx xx xxxxxx xx 250 xx x xxxxxxxx xxxxxxxxx xx zkontroluje xxxxxxx xx polarimetru xxxx xxxxxxxxxxxx xxx xxxxxxx xxxxxxx x xxxxx 200 xx. Xxxxxxxx xxxxxxx xx xx xxxxxx 11,80 ± 0,05°X (xxx poznámka 8). 200 ml xxxxxx roztoku xx xxxxxxxxxx xx xxxxxxx xxxxx x objemu 2000 xx, xxxxx xx xxxxx x xx stálého xxxxxxxxxxxx (xxx nedošlo x xxxxxxxxxx místnímu zalkalizování xxxxxxx) xx xxxxx 71,4 ml roztoku xxxxxxxxx xxxxxxx (1 xxx/x), xx xxxxxx xxxx xxxxxxxxxx 4 x xxxxxxxx xxxxxxxx. Xxxxxx se xxxxxx xx 2000 xx, xx. xxx xxxxxxxxx 1 g invertního xxxxx ve 100 xx; hodnota xX xxxxxxx se má xxxxxxxxx kolem 3.
Tento xxxxx xxxxxxx roztok xx ředí xxxxx xxxxxxxxxxxxx xxxx xxxxxxxx.
4.5 Xxxxx sacharosa: xxxxxx xxxxx xxxxxxxxx x xxxxxxx invertního xxxxx xxxxxxx 0,001 x/100 x.
5. Xxxxxxxxx x xxxxxxx
5.1 Zkumavky 150 x 20 mm.
5.2 Xxxx xxxxxxxxxxx xxxxx.
5.3 Xxxxxxxxxx váhy xxxxxx x xxxxxxxxx xx 0,1 xx.
6. Xxxxxx
6.1 Xx xxxxxxxx (5.1) xx xxxxxxxx 5 x xxxxxx xxxxx x 5 xx xxxxxxx vody, xxxxxxx xx 2,0 ml xxxxxxxxx xxxxxxx (4.3) x obsah se xxxxxxxx. Zkumavka xx xxxxxx do xxxxx x xxxxxx xxxxx xx xxxx 5 xxxxx x xxxx xx xx xxxxxxx xxxx xxxxxxx.
6.2 Xxxxxx xx xx zkumavky xxxxxxxxxxxxx, x xxxxxxxx xx xxxxxxxxxx xxxxxxxx xxxx, xxxxxxx do xxxx xxxxxxxxxxxx misky (5.2), přidají xx xxx xxxxx xxxxxxxxxx (4.2) x titruje xx roztokem XXXX (4.1). Xxxxxxxx xxxxxxxx x xx xx xxxxxx xxxx X0.
Xxxxx xxxx ukončením titrace xx xxxxx xxxxxxx xxxxx xx zelené xxxx xxxxx na xxxxxxxxxx v konečném xxxx. Xxxxxxxxx xxxxx xxxxxx xxxx x xxxxxxxx xxxxxxx oxidu xxxxxxx na oxid xxxxxxx xxxxxxxx xxxxxxx xxxxxx xx koncentraci xxxxxxxx zredukované mědi. Xxxxx je xxx xxxxxxx nutné xxxxxxxxx xxxxxxxxx bodu xx xxxxx xxxxxxxxxxx.
6.3 Xxxxxxxx xx xxxxxxxxxx xxxxxx xx základě přidávání xxxxxxx množství xxxxxxxxxx xxxxx (xxxxxxxxx xxxxxxx xxxxxx 4.4) x 5 x čisté xxxxxxxxx (4.5) a xxxxxxxxxxxxxx množství studené xxxx xxx, xxx xxxxxxx xxxxx přidaného xxxxxxx xxxxx 5 xx. Titrační xxxxxxxx (xx) xx vynese xx xxxxx xxxxx xxxxxxxxxxx xxxxxx xxxxxxxxxx xxxxx xxxxxxxxx x 5 g sacharosy; xxxxxxxxx xxxxxxx xx xxxxxx v xxxxxxx 0,001 xx 0,019 x xx 100 x xxxxxxxxxx cukru, xxxx. 100 x xxxxxx.
7. Vyjádření xxxxxxxx
7.1 Xxxxxx výpočtu
Z kalibrační xxxxxx xx xxxxxx xxxxx xxxxxxxxxx xxxxx (x procentech) odpovídající xxxxxxxx XXXX V0 xx xxx xxxxxxx xxxxxx.
7.2 Xxxxx se xxxxxxxxxxx xxxxx koncentrace xxx 0,017 g xxxxxxxxxx xxxxx xx 100 x xxxxxxxxxxxxx xxxxxx, xxxx se xxxxxxxxx xxxxxx xxxxxxxx xxxxxx x xxxx 6.1, xxxxxxxxxxx xxxxxx xx xxxx xxxx xxxxxxx xx 5 x xxxxxx sacharosou (4.5).
7.3 Xxxxxxxxxxxxxx
Xxxxxx mezi xxxxxxxx xxxx xxxxxxxxx xxxxxxxxxxx xxxxxxx xxxx xxxxxx xx xxxxx x téhož xxxxxx xxxxxx pracovníkem xx xxxxxxxxx podmínek xxxxx xxx větší xxx 0,005 g na 100 g xxxxxx.
8. Xxxxxxxx
Xxx xxxxxxx hodnoty xx °S xx xxxxxxxxxxxxxx úhlové stupně xx xxxxxxx uvedená x °X dělí 2,889 (polarimetrická trubice x xxxxx 200 xx; xxxxxxxx xxxxxxx xxxx xxxxxxxx xxxxx; xxxxxxxx umístěný v xxxxxxxxx, xx xxxxx xx možné xxxxxxxx xxxxxxx xxxxx 20 °X).
XXXXXX 6
XXXXXXXXX XXXXXXXXXXXX XXXXX XXXXXXXXXXX XXXX XXXXXXXX XXXX XXXX XXXXXXXXXX XXXXXXXXXX
(Xxxxxx xxxxx Xxxxx a Schoorla)
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx xxxxxx xx xxxxxxxxx
1.1 obsahu xxxxxxxxxxxx xxxxx xxxxxxxxxxx xxxx xxxxxxxx xxxx
- x xxxxxxx xxxxx,
- v xxxxxxx bílém xxxxx,
- x xxxxxxx xxxxxxxxx xxxxx,
- x xxxxxxx xxxxx invertním xxxxx,
- x sirupu z xxxxxxxxxx xxxxx,
- v xxxxxx x invertního xxxxx xxxxxx;
1.2 xxxxxx xxxxxxxxxxxx xxxxx vyjádřeného x vypočteného (xxxxxxxx xx xxxxxx) jako xxxxxxxxxx xxxxxxxxxx
- ve xxxxxxxxx xxxxxx,
- v xxxxxxx xxxxxxxxx xxxxxx;
1.3 xxxxxx xxxxxxxxxxxx xxxxx xxxxxxxxxxx xxxx X-xxxxxxx
- x xxxxxxxx xxxxxxxxxxx,
- x xxxxxxxx xxxxxxx.
2. Xxxxxxxx
„Xxxxxxxxxx cukry xxxxxxxxx xxxx xxxxxxxx xxxxx, X-xxxxxxx xxxx xxxx xxxxxxxxxx xxxxxxxxxx": xxxxx xxxxxxxxxxxx cukrů xxxxxxxxx xxxx xxxxxxxxx xxxx xxxxxxxx xxxx, Dglukosa xxxx xxxxxxxxxx ekvivalent xxxxxxxxx popsanou xxxxxxx.
3. Xxxxxxxx metody
Vzorek x xxxxxxxxxxxx xxxxx xx xxxxxx (a v xxxxxxx xxxxxxx xxxxxx) xx standardních podmínek x bodu varu x xxxxxxxx Cu XX, který xx xxxxxxxx redukuje na Xx X. Xxxxxxxx Xx II xx xxxx xxxxxxx jodometricky.
4. Xxxxxxx činidla
4.1 Carrezův xxxxxx X: 21,95 x xxxxxx xxxxxxxxxxx xxxxxxxxx, (Xx(XX3XXX)22X2X) xxxx 24 g xxxxxx xxxxxxxxxxx xxxxxxxxxx, (Zn(CH3COO)2-3H2O) xx xxxxx x xxxxxxxxx 3 ml xxxxxx kyseliny xxxxxx xxxxxxxx xx vodě x xxxxxx xxxxx xx 100 ml.
4.2 Xxxxxxxx xxxxxx XX: 10,6 g xxxxxxxxxxxxxxxxxxxx xxxxxxxxxx trihydrátu (X4[Xx(XX)6]-3X2X) xx rozpustí xx xxxx a doplní xxxxx xx 100 xx.
4.3 Luffovo-Schoorlovo xxxxxxx: xxxxxxxx xx xxxx xxxxxxx:
4.3.1 Xxxxxx síranu xxxxxxxxx: 25 x xxxxxx xxxxxxxxx xxxxxxxxxxxx (XxXX45X2X) neobsahujícího železo xx xxxxxxxx ve 100 ml xxxx.
4.3.2 Xxxxxx xxxxxxxx xxxxxxxxx: 50 x xxxxxxxx xxxxxxxxx xxxxxxxxxxx (X6X8X7-X2X) xx xxxxxxxx x 50 ml xxxx.
4.3.3 Xxxxxx xxxxxxxxxx sodného: 143,8 x xxxxxxxxx xxxxxxxxxx xxxxxxx xx xxxxxxxx přibližně x 300 xx xxxxx xxxx a nechá xx vychladnout.
4.3.4 X xxxxxxx xxxxxxxxxx xxxxxxx (4.3.3) x litrové xxxxxxx xxxxx xx xx xxxxxxx xxxxxxxxxxxx xxxxxxxxx xxxxxxx xxxxxxx xxxxxx kyseliny xxxxxxxxx (4.3.2). Obsah se xxxxx, xxxxx xx xxxxxxxxxx vyvíjet xxxx, xxx xx přidá xxxxxx xxxxxx měďnatého (4.3.1) a xxxxx xx doplní xx 1000 ml. Roztok xx nechá xxxx xxxx xxx, v xxxxxxx xxxxxxx se xxxxx xxxxxxxxxxx. Xxxxxxx xx xxxxxxxx xxxxxxxx xxxxxxx xxxxxxx podle xxxxxx popsané x xxxx 6.1 (Xx 0,1 mol/l; Xx2XX3 1 xxx/x).
4.4 Xxxxxx xxxxxxxxxx, 0,1 mol/l.
4.5 Xxxxxx xxxxxx: xx xxxxxxx litru xxxxxx xxxx se přilije 5 g xxxxxxxxxxx xxxxxx xxxxxxxxxxxx xx 30 xx xxxx. Xxxxxx xx 3 xxxxxx x xxxxx xx xxxxxxxxxxx; xx-xx xxxxx, přidá xx 10 xx xxxxxx xxxxxxxxxx xxxx konzervační xxxxxxx.
4.6 Xxxxxxxx sírová, 3 xxx/x.
4.7 Xxxxxx xxxxxx xxxxxxxxxx, 30 % (x/X).
4.8 Xxxxxx xxxxx, vyvařené v xxxxxxxx xxxxxxxxxxxxxx, xxxxxxx xxxxx xx xxxxxxxx xxxxxx xxxxxx x xxxxxxxx.
4.9 Xxxxxxxxxxx.
4.10 Xxxxxxxx xxxxx, 0,1 xxx/x.
4.11 Xxxxxxxx xxxxxxxxxxxxxx, 0,1&xxxx;&xxxx;&xxxx; xxx/x.
4.12 Xxxxxxxxxxx, xxxxxxxxxxxxxx xxxxxx (x/X) x xxxxxxxx.
5. Xxxxxxxxx x xxxxxxx
5.1 Xxxxxxxxxxxxx xxxxx, x objemu 300 xx, xx xxxxxxx xxxxxxxxx.
5.2 Xxxxxx.
6. Postup
6.1 Xxxxxxxxx xxxxx Luffova-Schoorlova xxxxxxx (4.3):
6.1.1 Ke 25 ml Xxxxxxx-Xxxxxxxxxx xxxxxxx (4.3) se xxxxxxx 3 x xxxxxx xxxxxxxxxx a 25 xx xxxxxxxx xxxxxx o koncentraci 3 xxx/x (4.6).
Xxxxxxx xx roztokem xxxxxxxxxx xxxxxxx x koncentraci 0,1 mol/l (4.4) xx xxxxxxx xxxxxxxxxx xxxxxxx (4.5) jako xxxxxxxxxx, xxxxx xx xxxxx xx xx xxxxx xxxxxxx. Xxxxx xxxx spotřeba xxxxxxx xxxxxxxxxx o koncentraci 0,1 mol/l xxxxx 25 xx, musí xxx činidlo připraveno xxxxx.
6.1.2 Xxxxxxxxxx xx 10 xx xxxxxxx xx 100xx odměrné xxxxx x xx xxxxx xx doplní xxxxx.
10 xx xxxxx xxxxxxxxx činidla xx xxxxxxxxxx xx Xxxxxxxxxxxxx xxxxx obsahující 25 xx xxxxxxxx xxxxxxxxxxxxxx x xxxxxxxxxxx 0,1 xxx/x (4.11) x xxxxxxx xx xx xxxx xxxxx xxxxxx xx xxxxxx vodní xxxxx. Xxx xx xxxxxx xxxxxxx, xxxxxx xx na xxxxxxx xxxxx xxxxxxx xxxxxxxxxx xxxxx x xxxxxxx xxxxxxxx xxxxxxxxx xxxxxxx x xxxxxxxxxxx 0,1 xxx/x (4.10) xx xxxxxxx fenolftaleinu (4.12) xxxx xxxxxxxxxx.
Xxxxxxxx roztoku xxxxxxxxx sodného, 0,1 xxx/x (4.10) xxxx xxx xxxx 5,5 x 6,5 ml.
6.1.3 10 xx zředěného xxxxxxx (6.1.2) xx xxxxxxx kyselinou xxxxxxxxxxxxxxx, 0,1 xxx/x (4.11) xx xxxxxxx xxxxxxxxxxxxx (4.12) jako xxxxxxxxxx. Xxxxxxx xxx titrace xx charakterizován ztrátou xxxxxxxxx xxxxxxxx.
Xxxxxxxx xxxxxxx xxxxxxxx xxxxxxxxxxxxxx, 0,1 xxx/x (4.11) xxxx xxx mezi 6,0 x 7,5 ml.
6.1.4 Xxxxxxx pH Xxxxxxx-Xxxxxxxxxx xxxxxxx xxxx být xxxx 9,3 x 9,4 xxx 20 °X.
6.2 Příprava xxxxxxx
6.2.1 Xxxxxx xx 5 x xxxxxx x xxxxxxxxx na 1 xx x kvantitativně xx xxxxxxx xx xxxxxxx xxxxx x xxxxxx 250 ml xxxxxxxxxx 200 xx xxxx. X případě xxxxxxx se xxxxxx xxxxxxxx 5 ml Xxxxxxxxx roztoku I (4.1), xxx xx xxxxx 5 xx Xxxxxxxxx roztoku XX (4.2). Po xxxxxxxx xxxxxxx xxxxxxx se xxxxx xxxxxxx. Xxxxxx xx doplní xxxxx xx 250 ml x xxxxx xxxxxxxx. X xxxxxxx xxxxxxx xx xxxxxx přefiltruje.
6.2.2 Xxxxxx (6.2.1) xx xxxxx v xxxxxxx xxxxxx, xxx xxxxx xxxxxxxxxxxx cukrů xxxxxxxxxxx xxxx xxxxxxx se x 25 xx xxxxxxx xxxxxxxxx x xxxxxxx 15 xx 60 mg.
6.3 Xxxxxxx xxxxx Luffovy-Schoorlovy xxxxxx
Xx 300 xx Xxxxxxxxxxxxx xxxxx (5.1) xx xxxxxxxxxx 25 ml Xxxxxxx-Xxxxxxxxxx xxxxxxx (4.3), xx baňky xx xxx pipetou odměří 25 ml xxxxxxxxx xxxxxxx (6.2.2) x xxxxx xx xxx xxxxxx xxxxx (4.8). X xxxxx (5.1) xx xxxxxxx zpětný xxxxxxx x aparatura xx xxxxx xxxxxx xx xxxxxxxx xxxxxxxxxx xxxxx xxx xxxxxx Xxxxxxxxx xxxxxx. Xxxxx xx x xxxxxxxxx xxxxx xxxxxxxxx xxxxxxx xxxxx x tomtéž xxxxxxx, xxxx xx xxx xxxxx. Xxxxxxxx xx přibližně xxxxx xxxx xxxxx uvede xx xxxx x xxxxx se přesně 10 xxxxx mírně xxxxx. Pak xx xxxxx xxxxxxx xx xxxxxxx xxxx a xx xxxx xxxxxxxx xx titruje podle xxxxxx xxxxxxx:
Xxxxx xx 10 xx roztoku xxxxxx draselného (4.7), xxxxxxxxxxxxx xxxx xx xxxxx xxxxxxx (x xxxxxxx xx xxxxxxxx xxxxx plynu) 25 xx kyseliny xxxxxx x koncentraci 3 xxx/x (4.6). Xxxxxxx xx xxxxxxxx xxxxxxxxxx xxxxxxx o koncentraci 0,1 xxx/x (4.4), xxxxx xx xxxxxx xxxxx xxxxxxxxx, pak xx xxxxx xxxx xxxxxxxxx xxxxxxx xxxxxxxxx xxxxxxx xxxxxx (4.5) x pokračuje xx x xxxxxxx xx xx xxxxxxxx xxxxxxx xxxxxxxx.
Xxxxxxx xx xxxxx xxxxx x 25 xx xxxx místo 25 ml xxxxxxxxx xxxxxxx (6.2.2).
7. Vyjádření xxxxxxxx
7.1 Vzorec a xxxxxx xxxxxxx
X xxxx xxxxxxx xxxxxxx xx xxxxxx (xxxxxxxx xx xxxxxxx interpolací) xxxxxxxx xxxxxxx nebo xxxxxxxxxx xxxxx x mg, xxxxxxxxxxxx xxxxxxx mezi xxxxx titračními xxxxxxxxxx, xxxxxxxxxxx x xx xxxxxxx xxxxxxxxxx xxxxxxx x xxxxxxxxxxx 0,1 xxx/x.
Xxxxxxxx se xxxxxxx x xxxxxxxxxx (x/x) xxxxxxxxxx xxxxx xxxx X-xxxxxxx, xxxxxxxxxx xx xxxxxx.
7.2 Opakovatelnost
Rozdíl mezi xxxxxxxx xxxx stanovení xxxxxxxxxxx zároveň nebo xxxxxx xx xxxxx x téhož vzorku xxxxxx xxxxxxxxxxx xx xxxxxxxxx podmínek xxxxx xxx xxxxx xxx 0,2 ml.
8. Xxxxxxxx
Xxxx xxxxxxxxxx kyselinou sírovou xx xxxx xxxxxx xxxx množství izopentanolu (4.9), aby se xxxxxxx tvorba xxxx.
Xxxxxxx xxxxxx xxx Xxxxxxx – Xxxxxxxxxx xxxxxxx
0,1 xxx/x Xx2X2X3 |
Xxxxxxx, xxxxxxxx, xxxxxxxx xxxx X6X12X6 |
|
xx |
xx |
xxxxxx |
1 |
2,4 |
|
2 |
4,8 |
2,4 |
3 |
7,2 |
2,4 |
4 |
9,7 |
2,5 |
5 |
12,2 |
2,5 |
6 |
14,7 |
2,5 |
7 |
17,2 |
2,5 |
8 |
19,8 |
2,6 |
9 |
22,4 |
2,6 |
10 |
25,0 |
2,6 |
11 |
27,6 |
2,6 |
12 |
30,3 |
2,7 |
13 |
33,0 |
2,7 |
14 |
35,7 |
2,7 |
15 |
38,5 |
2,8 |
16 |
41,3 |
2,8 |
17 |
44,2 |
2,9 |
18 |
47,1 |
2,9 |
19 |
50,0 |
2,9 |
20 |
53,0 |
3,0 |
21 |
56,0 |
3,0 |
22 |
59,1 |
3,1 |
23 |
62,2 |
3,1 |
XXXXXX 7
XXXXXXXXX XXXXXXXXXXXX XXXXX XXXXXXXXXXX XXXX XXXXXXXX XXXX
(Xxxxxx podle Xxxxx x Xxxxxx – xxxxxxxxxx x xxxxxxxxxxx xxxxxxx)
1. Xxxxxxx a xxxxxx xxxxxxx
Xxxxxx xxxxxx xx xxxxxxxxx redukujících xxxxx xxxxxxxxxxx xxxx xxxxxxxx cukr
- x xxxxxxx xxxxx,
- x xxxxxxx cukru xxxxx,
- x tekutém xxxxxxxxx xxxxx,
- x xxxxxxx xxxxx xxxxxxxxx cukru,
- x sirupu x xxxxxxxxxx xxxxx,
- v xxxxxx x xxxxxxxxxx xxxxx bílého.
2. Definice
"Redukující xxxxx xxxxxxxxx xxxx xxxxxxxx cukr": xxxxx xxxxxxxxxxxx xxxxx xxxxxxxxx xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxxxx xxxxxxxxxx xxxxxx xx xxxxxxx xx xxxx xxxx určité xxxxxxxx Xxxxxxxxxx xxxxxxx x xxxxxxxx methylenové xxxxx jako indikátoru.
4. Xxxxxxx xxxxxxx
4.1 Xxxxxxxxx xxxxxx:
4.1.1 Xxxxxx X:
69,3 x síranu xxxxxxxxx xxxxxxxxxxxx (XxXX4·5X2X) xx xxxxxxxx xx xxxx x xxxxxx xx xx 1000 xx.
4.1.2 Xxxxxx X:
346,0 g xxxxxx xxxxxxxxxxxxxxx xxxxxxxxxxxx (XXxX4X4X6·4X2X) a 100 x xxxxxxxxx xxxxxxx xx xxxxxxxx xx xxxx a xxxxxx xx 1000 xx. Xxxx xxxxxx se xxxxxx xxxxxxxxx xx xxxxxxxxx, která se xxxx někdy xxxxxxxx.
Xxxxxxxx:
Xxxx xxx xxxxxxx xx xxxxx xxxxxxxxx x xxxxxxx xxxx xxxxxxxxx xxxxxxxxxx xxxxxxx.
4.2 Roztok xxxxxxxxx xxxxxxx, 1 xxx/x.
4.3 Xxxxxxxxxx xxxxxx xxxxxxxxxx xxxxx: 23,750 x čisté sacharosy xx xxxxxxxx xxx xx 120 xx xxxx xx 250mililitrové xxxxxxx xxxxx, přidá xx 9 xx xxxxxxxx xxxxxxxxxxxxxx (hustota 1,16 x/xx) a xxxxx se stát xxx laboratorní xxxxxxx xx xxxx 8 xxx. Xxxxxx se xxxxxx xx 250 xx x xxxxxxxx xxxxxxxxx xx xxxxxxxxxxx xxxxxxxxxxxx xxxx xxxxxxxxxxxxx xxxxxx xxxxxxx xxxxx 200 xx. Xxxxxxxx xxxxxxx xx xx xxxxxx 11,80 ± 0,05 °X (xxx xxxxxxxx 8). 200 xx xxxxxx xxxxxxx xx odpipetuje do 2000xxxxxxxxxxx xxxxxxx xxxxx, xxxxx xx vodou x xx xxxxxxx xxxxxxxxxxxx (xxx xxxxxxx x xxxxxxxxxx místnímu xxxxxxxxxxxxx xxxxxxx) xx xxxxx 71,4 xx xxxxxxx hydroxidu xxxxxxx x xxxxxxxxxxx 1 xxx/x (4.2), xx xxxxxx jsou xxxxxxxxxx 4 x xxxxxxxx xxxxxxxx. Xxxxx xx xxxxxx xx 2000 xx, aby xxxxxxxx xxxxxx xxxxxxxxx 1 x xxxxxxxxxx cukru xx 100 xx. Xxxxxxx xX xxxxxxx xx xxx xxxxxxxxx xxxxx 3.
Xxxxx xxxxxxxx xxxxxxx xxxxxx by xx xxx xxxxx xx xxxxx xxxx xxxxxxxx.
Xxx xxxxxxxx xxxxxxx xxxxxxxxxx xxxxx o xxxxxxxxxxx 0,25 g/100 xx xx 250xx xxxxxxx xxxxx naplní xx xxxxx xxxxxxxx xxxxxxxx x xxxxxxxxxxx 1 x/100 ml xxx 20 °X. Xxxxx xx kvantitativně xxxxxxx xx 1000 xx xxxxxxx xxxxx x xxxxxx xx xxx 20 °X xx xxxxx xxxxx.
4.4 Xxxxxx methylenové xxxxx, 1 x/100 xx.
5. Xxxxxxxxx x pomůcky
5.1 Xxxxx xxxxx x xxxxx hrdlem o xxxxxx 500 xx.
5.2 Xxxxxx x xxxxxx 50 xx, dělená xx 0,05 xx, x xxxxxxxxxx xxxxxxxx.
5.3 Xxxxxx x ryskami xx 20, 25 x 50 ml.
5.4 Xxxxxxx xxxxx x xxxxxx 250, 1000 x 2000 ml.
5.5 Xxxxxxxx x ohřevu, xxxxxx xxx xxxxxxxxx xxxx xx xxxxxxxx xxxxxxxxx x xxxx 6.1 x umožňující xxxxxxxx xxxxxxxx změnu x konečném xxxx, xxxx xx se xxxxx xxxxx (5.1) xxxxxx xxxxxxxxx xx xxxxxx xxxxx.
5.6 Xxxxxx xxxxxxxxx x přesností xxxxxxx xx 1 xxxxxxx.
6. Postup
6.1 Xxxxxxxxx xxxxx Xxxxxxxxxx roztoku
6.1.1 Xx čisté a xxxxx kádinky se xxxxxxxxxx 50 xx xxxxxxx X (4.1.2), xxxx 50 xx xxxxxxx X (4.1.1) x dobře xx xxxxxxxx.
6.1.2 Xxxxxx xx xxxxxxxxxx x xxxxxx 0,25 % (0,25 x/100 ml) xxxxxxxxxxx xxxxxxxx xxxxxxxxxx xxxxx (4.3).
6.1.3 Do 500 xx xxxxx xxxxx (5.1) xx xxxxxxxxxx xxxxxxxxx xxxxx 20 xx směsného xxxxxxx X x X (6.1.1) x přilije xx 15 xx xxxx. X byrety xx xx xxxxx xxxxxx 39 xx xxxxxxx xxxxxxxxxx cukru, xxxxx xx několik xxxxxxx xxxxxxx x xxxxx se xxxxxx xxxxxxxxx pohybem xxxxxxxx.
6.1.4 Xxxxx xxxxx xx xxxxxxx k varu x nechá xx xxxxx přesně dvě xxxxxx. Během xxxxxxx xxxxxxx xx xxxxx xxxxx xxxxxxx ze xxxxxx xxxxx x xxxxx xxxxx x xxxxxxxxx xxxx.
Xx xxxxx xxxxxxxxxxxxxx varu xx xxxxxxx xxx xxxx xxxxx kapky xxxxxxx xxxxxxxxxxx xxxxx (4.4). Xxxxx xxxxxxx musí xxx xxxxxxx xxxxx.
6.1.5 Xxxxxxxxx xx v xxxxxxxxx xxxxxxxxxxxx roztoku xxxxxxxxxx xxxxx x xxxxxx, zpočátku xx 0,2 xx, xxx xx 0,1 xx x xxxxxxx po xxxxxxx, až xx xxxxxxx xxxxxxxxx bodu. Xxx xx xxxxxxxxx xxxxxxxxx xxxxxxx xxxxxxxx xxxxxxxx methylenové xxxxx. Xxxxx xxxxxxx xx xxxxxxxxxxx xxxxxxxxx přítomnosti xxxxxxxx xxxxx xxxxxxx.
6.1.6 Xxxxxxxxx xxxx titrace xx xxxx xxx xxxxxxxx do xxx xxxxx xx začátku xxxx roztoku. Konečná xxxxxxxx X0 xx xxxx pohybovat x xxxxxxx 39,0 až 41,0 xx. Je-li xxxxxxx X0 mimo xxxxxxx xxxxxx xxxxxxx, xxxxxx se xxxxxxxxxxx xxxx xx Xxxxxxxxxx xxxxxxx X (4.1.1) x xxxxxxxxx xxxxx xx opakuje.
6.2 Xxxxxxxx xxxxxxx xxxxxx
Xxxxxxxxxxx xxxxxxx xxxxxxxxxx vzorku se xx xxxxxxxxx x xxxxxxx 250 až 400 xx xxxxxxxxxx xxxxx xx 100 xx.
6.3 Xxxxxxxxxx xxxxxxx
6.3.1 Xx nutné provést xxxxxxxxxx zkoušku xx xxxxxxxx xxxxxxxxxx přídavku xxxx k 20 xx směsného xxxxxxx X a B, xxxxx xxxxxxx, xx xxxxxxx xxxxx xx xxxxxxx bude xxxxx 75 xx.
Xxxxxxxxx se xxxxxx podle xxxxxx x xxxx 6.1.4, xxxxx xxxxx xxxxxxxxxxxx xxxxxxx xxxxxxxxxx xxxxx xx použije xxxxxx xxxxxx, xx. xx xxxxx xx byretou xxxxxx 25 ml xxxxxxx xxxxxx, přidá xx 15 xx xxxx, nechá se 2 xxxxxx xxxxxxx x xxxxxx xx xxx xxxxxxx xx xx xxxxxxxx xxxxxxxxx xxxx, jak xx xxxxxxx x xxxx 6.1.5.
6.3.2 Pokud po xxxxxxxx roztoku xxxxxxxxxxx xxxxx xxxxxxxxx xxxxxxxxxxx xxxxxxxx, je xxxxxxx xxxxxx vzorku příliš xxxxxxxxxxxxx. X xxxxx xxxxxxx xx xxxxxxx xxxxxxx x provede xx xxxxxxxxx stanovení x xxxxx koncentrací xxxxxxx xxxxxx.
Xx-xx k xxxxxxxx xxxxxxxxxxxxx xxxxxxxx xxxxxxxxx xxxx xxx 50 xx roztoku xxxxxx, musí se xxxxxx roztok xxxxxx x xxxxx koncentrací.
Množství xxxx, které se xx xxxxxx, se xxxxxxxx xxxxxxxxx xxxxxx xxxxxxxx Xxxxxxxxxx xxxxxxx (20 xx) a xxxxxx xxxxxxx xxxxxx xx 75 xx.
6.4 Xxxxxxx analýza xxxxxxx xxxxxx
6.4.1 Do xxxxx xxxxx se xxxxxxxxxx 20 ml xxxxxxxx Xxxxxxxxxx roztoku x xxxxxxxx xxxx stanovené xxxxx bodu 6.3.
6.4.2 X byrety xx xxxxxx xxxxxx vzorku x xxxxxxxx stanoveném xxxxx xxxx 6.3, xxxxxxxx x 1 xx. Xxxxx xx xxxxxxx xxxxxxx xxxxxxx, xxxxx xxxxx xx xxxxxxxxx xxxxxxx xxxxxxxx, xxxxxx x titruje xxxxx xxxxxxxxxxx kroku (6.3). Xxxxxxxxx xxxx xxxxxxx musí xxx xxxxxxxx xxxxx xxxxxx xx xxxxxxx xxxxxxx xxxxxxxxxxx xxxxx. Spotřeba xxx konečné titraci xx rovná X1.
7. Xxxxxxxxx xxxxxxxx
7.1 Xxxxxx x xxxxxx výpočtu
Obsah xxxxxxxxxxxx xxxxx xx xxxxxx xxxxxxxxx xxxx xxxxxxxx xxxx xx xxxxxxxx xxxxx xxxxxx:
xxx:
X = koncentrace xxxxxxx xxxxxxxxxx vzorku (g/100 xx),
X0 = xxxxxxxx xxxxxxxxxxxx xxxxxxx xxxxxxxxxx xxxxx (xx) xxx xxxxxxxxx xxxxx,
X1 = xxxxxxxx xxxxxxx zkušebního xxxxxx (xx) xxx xxxxxx analýze (6.4.2),
f = xxxxxxxx xxxxxx xxxxxxxxxxxx koncentraci sacharosy xxxxxxxx x roztoku xxxxxxxxxx xxxxxx; xxxxxxx xxxx xxxxxxx v xxxx xxxxxxx tabulce:
Sacharosa (x xx xxxxx xxxxxxx xx varu) |
Korekční xxxxxx f |
0,0 |
1,000 |
0,5 |
0,982 |
1,0 |
0,971 |
1,5 |
0,962 |
2,0 |
0,954 |
2,5 |
0,946 |
3,0 |
0,939 |
3,5 |
0,932 |
4,0 |
0,926 |
4,5 |
0,920 |
5,0 |
0,915 |
5,5 |
0,910 |
6,0 |
0,904 |
6,5 |
0,898 |
7,0 |
0,893 |
7,5 |
0,888 |
8,0 |
0,883 |
8,5 |
0,878 |
9,0 |
0,874 |
9,5 |
0,869 |
10,0 |
0,864 |
Korekce xxx xxxx xxxxxxxx xxxxxxxxx x xxxxxxx xxxxxxxxxx xxxxxx xx xxxxx xxxxxxxxx x xxxxxxxxxxx xxxxxx xxxxxxxxxxx.
Xxxxxxxx:
Xxxxxxxxx koncentrace xxxxxxxxx xx xxxx xxxxxxxx odečtením koncentrace xxxxxxxxxxxx xxxxxxx látek x invertního xxxxx (xxx xxxxx xxxxxxx xx použita hodnota x xxxxx 1,0) xx xxxxxxxxxxx veškerých xxxxxxxxxxxx látek xxxxxxxxxxx xxxx xxxxxxxxx a xxxxxxxxxxx xx xxxxxxx xxxxxx xxxx xxxxx xxxxxx 3 xxxxxx xxxxxxxx.
7.2 Opakovatelnost
Rozdíl xxxx xxxxxxxx dvou xxxxxxxxx xxxxxxxxxxx xxxxxxx xxxx xxxxxx xx sebou x xxxxx xxxxxx xxxxxx xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx xxxxx xxx xxxxx než 1,0 % xxxxxx xxxxxxxxxxxxx xxxxxxx.
8. Poznámka
Při xxxxxxx xxxxxxx ve °X xx polarimetrické xxxxxx xxxxxx xx xxxx hodnota xxxxx x jednotkách °X xxxx xxxxxxxx 2,889 (xxxxxxxxxxxxxx xxxxxxx o xxxxx 200 mm; xxxxxxxx xxxxxxx xxxx xxxxxxxx xxxxx; xxxxxxxx xxxxxxxx v xxxxxxxxx, xx které xx xxxxx xxxxxxxx xxxxxxx xxxxxxx 20 °X).
XXXXXX 8
XXXXXXXXX XXXXXXXXXXXX EKVIVALENTU
(Metoda xxxxx Lanea x Xxxxxx x xxxxxxxxxxx xxxxxx)
1. Předmět x xxxxxx použití
Tato metoda xxxxxx xx xxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxx
- xx xxxxxxxxx xxxxxx,
- v xxxxxxx škrobovém sirupu,
- x dextrose monohydrátu,
- x xxxxxxxx bezvodé.
2. Xxxxxxxx
2.1 "Xxxxxxxx síla": xxxxx xxxxxxxxxxxx xxxxx xxxxxxxxx xxxxxxxx xxxxxxx, xxxxxxxxx xxxx xxxxxxx xxxxxxxx (X-xxxxxxx) x xxxxxxxxx x xxxxxxxxxx xxxxxxxxx vzorku.
2.2 "Xxxxxxxxxx xxxxxxxxxx": redukční xxxx xxxxxxxxx x xxxxxxxxxx xxxxxxxxx xxxxxx xxxxxx.
3. Xxxxxxxx metody
Roztokem zkušebního xxxxxx xx xx xxxxxx určených xxxxxxxx xxxxxxx xx bodu xxxx xxxxxx xxxxx xxxxxxxx Fehlingova xxxxxxx x xxxxxxxx xxxxxxxxxxx xxxxx xxxx indikátoru.
4. Xxxxxxx činidla
4.1 Xxxxxxxxx xxxxxx:
4.1.1 Roztok X:
Xx xxxx se xxxxxxxx 69,3 g síranu xxxxxxxxx xxxxxxxxxxxx (CuSO4·5H2O) x x xxxxxxx xxxxx x xxxxxx 1000 xx xx xxxxxx xx rysku.
4.1.2 Xxxxxx X:
Xx xxxx xx xxxxxxxx 346,0 x vinanu xxxxx-xxxxxxxxxx xxxxxxxxxxxx (XXxX4X4X6·4X2X) x 100 x hydroxidu xxxxxxx x x xxxxxxx baňce x xxxxxx 1000 xx xxxxxx xxxxx xx xxxxx. Xxxx roztok xx xxxxxxxxx xxxxxx xx xxxxxxxxx, xxxxx xx xxxx xxxxx xxxxxxxx.
Xxxxxxxx:
Xxxx xxx xxxxxxx (4.1.1 a 4.1.2) xx xxxxx skladovat x hnědých xxxx xxxxxxxxx xxxxxxxxxx lahvích.
4.1.3 Xxxxxxxx xxxxxxxx Xxxxxxxxxx xxxxxxx
Xx čisté kádinky xx odpipetuje 50 xx xxxxxxx X (4.1.2) x poté 50 xx xxxxxxx X (4.1.1) a xxxxx se xxxxxxxxxx.
Xxxxxxxx:
Xxxxxx Xxxxxxxxx xxxxxx xx xxxxx xxxxxxxxx, xxxxx xx xxxx každý xxx připravovat xxxxxxx x xxxxxxxxxxxxxxx (6.1).
4.2 Xxxxxxx dextrosa (X-xxxxxxx) (X6X12X6)
Xxxxx materiál xx xxxxx xxxx použitím 4 hodiny xxxxx xx vakuové xxxxxxx xxx xxxxxxx 100 ± 1 °X xxxx nižší x xxx xxxxx xxx 10 xXx (103 xxxx).
4.3 Standardní roztok xxxxxxxx, 0,600 x/100 xx
X xxxxxxxxx xx 0,1 xx se xxxxxx 0,6 g xxxxxxx xxxxxxxx (4.2), xxxxxxxx se xx xxxx, xxxxxxxxxxxxx xxxxxxx xx xxxxxxx xxxxx x xxxxxx 100 xx (5.4), doplní xxxxx xx xxxxx x xxxxxxxx.
Xxxxx xxxxxx xx xxxxx xxxxxxxxx xxxxxxx xx každý xxx, xxx xxxx xxxxxxxx.
4.4 Xxxxxx xxxxxxxxxxx xxxxx, 0,1 x/100 xx xxxx
Xxxxxxxx xx 0,1 g xxxxxxxxxxx xxxxx xx 100 xx vody.
5. Přístroje x pomůcky
5.1 Xxxxx xxxxx s xxxxx xxxxxx o xxxxxx 250 xx.
5.2 Xxxxxx x xxxxxx 50 xx, x xxxxxxxxxx xxxxxxxx x dělená xx 0,05 ml.
5.3 Xxxxxx xxxxxxxx x xxxxxxx 25 xx x 50 ml.
5.4 Xxxxxxx xxxxx o xxxxxx 100 x 500 xx.
5.5 Zařízení x xxxxxx, xxxxxx xxx xxxxxxxxx xxxx x souladu s xxxxxxxxxx xxxxxxxxx x xxxx 6.1 x xxxxxxxxxx xxxxxxxx barevnou xxxxx x konečném xxxx xxx nutnosti xxxxxxx xxxxxx baňku (5.1) xx zdroje xxxxx (xxx xxx 6.1 poznámka 3).
5.6 Xxxxxx ukazující x xxxxxxxxx xxxxxxx na 1 xxxxxxx.
6. Xxxxxx
6.1 Xxxxxxxxxxxxx Xxxxxxxxxx roztoku
6.1.1 Xx xxxxx suché xxxxx baňky (5.1) xx xxxxxxxxxx 25 xx Xxxxxxxxxx xxxxxxx (4.1.3).
6.1.2 Xxxxxx (5.2) xx xxxxxx xxxxxxxxxxx xxxxxxxx xxxxxxxx (4.3) x meniskus xx xxxxxxx xx xxxxxxx xxxxx.
6.1.3 Xx xxxxx xxxxx (5.1) xx x xxxxxx xxxxxxx 18 xx standardního xxxxxxx xxxxxxxx (4.3) x xxxxx xx xxxxxxxxx xxxxxxx xxxxxxxx.
6.1.4 Xxxxx xxxxx se xxxxxx na xxxxxxxx x ohřevu (5.5), xxxxxx nastavené tak, xxx xxx xxxxxx xx 120 ± 15 sekund.
V xxxxx xxxxxxx xxxxxxx xxxxx xxx xxxxxxxx x xxxxxx xxxxxxxxxxx xxxxx (xxx xxxxxxxx 1).
6.1.5 Xxxxxxx xx xxxxxx xxxxx xxxxx, xxxxxx xx xxxxxx xx xxxx.
6.1.6 Xxxxx xxxxx xx xxxxxx 120 xxxxxx (xxxxx stopek).
Ke xxxxx xx xxxxx 1 ml roztoku xxxxxxxxxxx xxxxx (4.4).
6.1.7 Xx 120 xxxxxxxxx (xxxxx stopek) xx xxxxxxx xxxx xx xxxxx z xxxxxx (6.1.2) xx xxxxx xxxxx (5.1) xxxxxxxx xxxxxxxxxx xxxxxx xxxxxxxx xx 0,5ml dávkách, xxxxx xx xxxxxxxxxxx xxxx xxxxxxxxx (xxx xxxxxxxx 2 a 3).
Xxxxxxxxx se celkový xxxxx xxxxxxxxx xxxxxxxxxxxx xxxxxxx dextrosy (X xx) xxxxxx xxxxxxxxxxxx 0,5xx xxxxx.
6.1.8 Xxxxx x bodech 6.1.1 x 6.1.2 se xxxxxxxx.
6.1.9 X byrety xx do xxxxx xxxxx (5.1) napustí (X 0,3) xx xxxxxxxxxxxx xxxxxxx xxxxxxxx.
6.1.10 Xxxxx x bodech 6.1.4, 6.1.5 x 6.1.6 xx xxxxxxxx.
6.1.11 Xx 120 xxxxxxxxx (xxxxx stopek) od xxxxxxx xxxx xx xxxxx x xxxxxx xx varné xxxxx (5.1) přidávat standardní xxxxxx xxxxxxxx, xxxxxxxx xx 0,2ml dávkách x nakonec xx xxxxxxx, xxxxx xx xxxxxxxxxxx xxxx právě xxxxxxxxx.
Xx konci xxxxxx xxxxxxx xxxx být xxxx xxxx xxxxx xx sobě xxxxxxxxxxxxx xxxxxxxx standardního roztoku xxxxxxxx 10 xx 15 xxxxxx.
Xxxx xxxxxxxxx xxxx xxx xxxxxxxxx xxxxx 60 xxxxxx x celková xxxx xxxx xxxx nesmí xxxxxxxxx 180 xxxxxx.
X xxxxxx xxxxx může xxx xxxxxxxxx xxxxxxx xxxxx xxxxxxx x xxxxxxx xxxxx, xxxxxxxxx xxxxxxxxx xxxxxxxxx xxxxxx xxxxxxxxxxxx xxxxxxx xxxxxxxx (6.1.9).
6.1.12 Xxxxxxxxx se xxxxxxx xxxxxxxx (X0 xx) xxxxxxxxxxxx xxxxxxx xxx xxxxxxxxx xxxxxxx (xxx xxxxxxxx 4).
6.1.13 Xxxxxxx V0 musí xxx x rozmezí 19,0 xx 21,0 xx xxxxxxxxxxxx xxxxxxx xxxxxxxx (4.3).
Xxxxx xx xxxxxxx V0 xxxxxxx xxxx toto xxxxxxx, xxxxxxxxx se upraví xxxxxxxxxxx Fehlingova xxxxxxx X (4.1.1) x xxxxxxxxxxxxxx xxxxxx xx xxxxxxxx.
6.1.14 Xxxxxxxx x xxxx, xx xxxxxxx X0 xx xxxxxx xxxxx, xx xxxxx xxx xxxxxxxxxx xxxxxxxxxxxxx xxxxxxx xxxxx titraci x počátečním xxxxxxxxx xxxxxxxxxxxx roztoku xxxxxxxx X0 – 0,5.
Xxxxxxxx 1:
Xxxxx xx xxxxxxxxx, xx xxxxxxx xxxxxxx xxx, vyvíjení páry xx rychlé x xxxxxxxxxxx xxxxx xxxx xxxxxxxx xxxxxxxxx x x xx největší xxxx se zabrání xxxxxxxx xxxxxxx xx xxxxxxxx baňky x xxxxxxxx opětovné xxxxxxx xxxxxx xxxxxx.
Xxxxxxxx 2:
Odbarvení xxxxxxx xxxxxxxxxxx xxxxx xx nejlépe xxxxxxxxxxxxx x xxxxxxx xxxxxxxx xxxxxx xxxxxxxx xxxxx x x oblasti xxxxxxx, xx. v xxxxxxx, které x xxxxxxxx xxxxxxxxxx sražený xxxxxxx oxid xxxxxxx. Xxxxxxxxx je xxxxxxxx xxxxxxxxxxxxx za xxxxxxxxx xxxxxxxxx. Xx xxxxxxx xxxxxx xxxxxxxx za xxxxxxxx baňkou.
Poznámka 3:
Xxxxxx xx měla xxx xxxxx xxxxxxxxx xx xxxxxxx chráněna xxxx xxxxxxx xxxxx.
Xxxxxxxx 4:
Vzhledem x xxxx, že xxxxx xxxxx xxxxxxxx xxxxxxxxxxx xxxxxx, xxxx xxxxx xxxxxxxxx provádět xxxx xxxxxxx xxxxxxxxxxxxxx xxxxxxx x xxx xxxxxxx musí xxxxxx xxxx xxxxxxx hodnotu X0 (7.1).
6.2 Xxxxxxxxxx xxxxxxx xxxxxxxxxxxx xxxxxx
6.2.1 Xxxxx xxxx xxxxx xxxxxxxxx xxxxxxx redukční xxxx (2.1) připraveného xxxxxx, je xxxxx xxxxxxx předběžnou xxxxxxx, xxx se xxxxxxx xxxx xxxxxxxxx xxxxxxx, x mohla xxx xxx xxxxxxxxx xxxxxxxx xxxxxxxxxx xxxxxx (6.3).
Xxxx xxxxxxx se provádí xxxxx:
6.2.2 Připraví se X % (x/X) xxxxxx xxxxxx, "X" xx přibližnou xxxxxxx.
6.2.3 Xxxxxxxxx xx xxxx x xxxx 6.1.2 x použitím xxxxxxx xxxxxx (6.2.2) xxxxxxx xxxxxxxxxxxx xxxxxxx xxxxxxxx.
6.2.4 Xxxxxxxxx xx xxxx x xxxx 6.1.1.
6.2.5 Xxxxxxxxx se xxxx x bodě 6.1.3 x xxxxxxxx 10 xx xxxxxxx vzorku xxxxxxx 18,0 xx xxxxxxxxxxxx xxxxxxx xxxxxxxx.
6.2.6 Xxxxxxxxx xx xxxx x xxxx 6.1.4.
6.2.7 Xxxxx xxxxx xx xxxxxxx x xxxx. Xxxxx xx 1 xx xxxxxxx methylenové xxxxx (4.4).
6.2.8 Xxxxxxx xxxxxxx xxx, xxxxxx xx xxxxxx (5.6) xx xxxx a xxxxx přidávání xxxxxxx xxxxxx x byrety xx xxxxx po 1,0 xx xxxxxxx x xxxxxxxx asi 10 sekund, a xx xx xx xxxxxxxxx xxxxxxxxxxx modři.
Zaznamená xx xxxxxxx xxxxxxxx xxxxxxxxxxxx xxxxxxx xxxxxxxx (X ml) včetně xxxxxxxxxxxx 0,5 xx xxxxx.
6.2.9 Xxxxxxx "X" xxxxx přesáhnout 50 xx. Pokud x xxxx dojde, je xxxxx zvýšit xxxxxxxxxxx xxxxxxx xxxxxx x xxxxxxx xxxxxxxxx.
6.2.10 Přibližná xxxxxxx xxxxxxxx xxxx xxxxxxxxxxxx vzorku xx xxxxxxxxx xxxx výrazem (x %):
6.3 Zkušební xxxxxx
X xxxxxxxxx na 0,1 mg se xxxxxx xxxxxx xxxxxxxx xxxxxxxxxxxx xxxxxx (xx), xxxxx obsahuje 2,85 xx 3,15 x xxxxxxxxxxxx xxxxx vyjádřených xxxx xxxxxxx xxxxxxxx (Xxxxxxxx). Při výpočtu xx xxxxxxx xxx xxxxx xxxxxxxxx hodnota xxxxxxxx síly (2.1), xxxx xxxxxxxxx xxxxxxx xxxxxxx x xxxx 6.2.10.
6.4 Xxxxxxxx xxxxxx
Xxxxxxxx xxxxxx xx x xxxxxxx xxxxx o xxxxxx 500 ml xxxxxxxx xx vodě x xxxxx doplní xx xxxxx.
6.5 Xxxxxxxxx
6.5.1 Xxxxxxxxx xx xxxx x xxxx 6.1.1.
6.5.2 Xxxxxx (5.2) se xxxxxx zkušební xxxxxxxx (6.4) x meniskus xx xxxxxxx xx xxxx.
6.5.3 X xxxxxx xx xx xxxxx xxxxx napustí 18,5 xx xxxxxxx xxxxxxxxxx xxxxxxx. Xxxxxxx xx xxxxx xxxxx xxxxxxx.
6.5.4 Xxxxxxxxx xx xxxx x xxxx 6.1.4.
6.5.5 Xxxxxxxxx xx xxxx x xxxx 6.1.5.
6.5.6 Xxxxxxxxx xx xxxx x xxxx 6.1.6.
6.5.7 Xxxxxxxxx se xxxx x xxxx 6.1.7, x xxxxxxxx zkušebního xxxxxxx xxxxxxx xxxxxxxxxxxx xxxxxxx xxxxxxxx.
6.5.8 Xxxxxxxxx xx xxxx v xxxx 6.1.8.
6.5.9 Xxxxxxxxx xx xxxx x xxxx 6.1.9, x xxxxxxxx zkušebního roztoku xxxxxxx xxxxxxxxxxxx xxxxxxx xxxxxxxx.
6.5.10 Xxxxxxxxx se xxxx x xxxx 6.1.10.
6.5.11 Xxxxxxxxx xx xxxx x xxxx 6.1.11, x xxxxxxxx xxxxxxxxxx xxxxxxx namísto xxxxxxxxxxxx roztoku xxxxxxxx.
6.5.12 Xxxxxxxxx xx objem (X1) xxxxxxxxxxxxxx zkušebního xxxxxxx xxx xxxxxxxxx xxxxxxx.
6.5.13 Xxxxxxx X1 xxxx xxx x xxxxxxx 19,0 xx 21,0 ml zkušebního xxxxxxx.
Xxxxx xx xxxxxxx X1 xxxxxxx xxxx xxxx rozmezí, xxxxxx xx xxxxxxxxxxx zkušebního xxxxxxx x xxxxx 6.5.1 xx 6.5.12 xx zopakují.
6.5.14 Provedou xx xxx xxxxxxxxx x použitím xxxxx xxxxxxxxxx roztoku.
6.6 Xxxxx xxxxxx
Xxxxxx metody 2 xx xxxxxxx obsah xxxxxx připraveného xxxxxx.
7. Xxxxxxxxx xxxxxxxx
7.1 Xxxxxx x postup výpočtu
7.1.1 Xxxxxxxx xxxx
Xxxxxxxx xxxx xxxxxxxxx x procentech xxxxxxxxxxxx xxxxxxxxxxxx vzorku xx xxxx výrazem:
kde
V0 = xxxxx (xx) xxxxxxxxxxxx xxxxxxx xxxxxxxx (4.3) spotřebovaný při xxxxxxxxxxxxxx titraci (6.1),
X1 = xxxxx (ml) xxxxxxxxxx roztoku (6.4) xxxxxxxxxxxxxx xxx titraci x postupu xxxxxxxxx (6.5),
X = xxxxxxxx xxxxxxxxxx xxxxxx (x) (6.3) xxxxxxxxx k xxxxxxxx 500 xx xxxxxxxxxx roztoku.
7.1.2 Xxxxxxxxxx xxxxxxxxxx
Xxxxxxxxxx xxxxxxxxxx xxxxxxxxx x xxxxxxxxxx hmotnosti xxxxxx xxxxxxxxxxxx xxxxxx xx xxx xxxxxxx:
xxx
XX = redukční síla xxxxxxxxx x procentech xxxxxxxxxxxx xxxxxxxxxxxx xxxxxx (7.1.1),
X = xxxxx xxxxxx připraveného xxxxxx x xxxxxxxxxx xxxxxxxxxxxx.
7.1.3 Xxxxxxxxx xx xxxxxxxxxxx xxxxxx xxxxxxxx xxxx xxxxxxxxx xx předpokladu, xx xx xxxxxx xxxxxxxxx xxxxxxx xx xxxxxxxxxxxxxx (7.2).
7.2 Opakovatelnost
Rozdíl xxxx xxxxxxxx xxxx xxxxxxxxx provedených zároveň xxxx xxxxxx xx xxxxx z xxxxx xxxxxx xxxxxx xxxxxxxxxxx xx totožných xxxxxxxx xxxxx xxx xxxxx xxx 1,0 % xxxxxx aritmetického xxxxxxx.
XXXXXX 9
XXXXXXXXX SÍRANOVÉHO XXXXXX
1. Xxxxxxx x oblast xxxxxxx
Xxxxxx xxxxxx xx xxxxxxxxx xxxxxx xxxxxxxxxx xxxxxx
- ve škrobovém xxxxxx,
- x sušeném xxxxxxxxx xxxxxx,
- v xxxxxxxx monohydrátu,
- v xxxxxxxx xxxxxxx.
2. Definice
"Obsah xxxxxxxxxx popela": obsah xxxxxxxxxx xxxxxx stanovený xxxxxxxx metodou.
3. Xxxxxxxx xxxxxx
Xx xxxxxxxxxx navážky xxxxxxxxxx xxxxxx v xxxxxxxx atmosféře xxx 525 °C za xxxxxxxxxxx xxxxxxxx xxxxxx xx stanovena jeho xxxxxxxx xxxxxxxx x xx xxxxxxxxx x xxxxxxxxxx hmotnostních vzorku.
4. Xxxxxxx činidla
4.1 Kyselina xxxxxx, zředěný xxxxxx: xxxxxx x xxxxxxx xx přidává 100 xx xxxxxxxxxxxxx xxxxxxxx xxxxxx (xxxxxxx xxx 20 °X = 1,84 x/xx; 96 % x/x) xx 300 xx vody xx xxxxxxxxxx míchání x xxxxxxxx.
5. Xxxxxxxxx x xxxxxxx
5.1 Elektrická xxxxxxx xxx, vybavená xxxxxxxxxx x xxxxxxxxxx xxxxxx xxx xxxxxxx 525 ± 25 °X.
5.2 Analytické xxxx, xxxxxx x xxxxxxxxx xx 0,1 xx.
5.3 Xxxxxxx xxx stanovení xxxxxx, xxxxxxxxx či xxxxxxxx, xxxxxxxx xxxxxx.
5.4 Xxxxxxxxx obsahující čerstvě xxxxxxxxxx xxxxxxxxx nebo xxxxxxxxxxxx xxxxxxxxxx x xxxxxxxxxxx obsahu vlhkosti.
6. Xxxxxx
Xxxxxxx (5.3) xx xxxxxx xx xxxxxxxxxxxx xxxxxxx, ponechá se x xxxxxxxxxx vychladnout x xxxxx xx. Xx xxxxxxx se xxxxxx (na 0,1 xx) xxxxxx 5 x xxxxxxxxxx xxxxxx xxxx xxxxxxxx xxxxxxxxxx xxxxxx, xxxxxxxx 10 x xxxxxxxx xxxxxxxxxxx xxxx xxxxxxxx xxxxxxx.
Xxxxx xx 5 xx xxxxxxx kyseliny xxxxxx (4.1) (viz poznámka 8.1) a xxxxxx xx v xxxxxxx xxxxxxx zahřívá nad xxxxxxxx xxxx na xxxxx xxxxxxxx xxx xxxxxx, dokud xxxxx xxxxxxxxxxx. Zuhelnatění, během xxxxx xxxxxxxxxx xxxxxx xx xxxxxx (xxx xxxxxxxx 8.2), se xxxx xxxxxxxx v xxxxxxxxx.
Xxxxxxx (5.3) se xxxxxx xx xxxxxxx xxxx (5.1), xxxxxxxxxx xx 525 ± 25 °C, x xxxxxxx xx x xx, xxxxx xxxxxxxxx xxxx xxxxx. Xx xxxxxxx trvá dvě xxxxxx (xxx xxxxxxxx 8.3).
Xxxxxx xx nechá xxx 30 minut xxxxxxxxxxx v exsikátoru (5.4) a xxxx xx xxxxx.
7. Xxxxxxxxx xxxxxxxx
7.1 Xxxxxx x xxxxxx xxxxxxx
Xxxxx síranového xxxxxx vyjádřený v xxxxxxxxxx hmotnostních vzorku xxxxxxxx k xxxxxxx xx xxx vzorcem:
kde
m1 = hmotnost popela (x),
x0 = hmotnost xxxxxxx xxxxxxxxxx vzorku (x).
7.2 Xxxxxxxxxxxxxx
Xxxxxx mezi xxxxxxxx dvou xxxxxxxxx xxxxxxxxxxx xxxxxxx xxxx xxxxxx za xxxxx x téhož xxxxxx xxxxxx xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx xxxxx xxx větší xxx 2,0 % xxxxxx xxxxxxxxxxxxx xxxxxxx.
8. Xxxxxxxx
8.1 Xxxxxxxx xxxxxx xx xxxxxxx xx xxxxxx xxxxxxx, xxx se xxxxxxxxx přílišnému xxxxxx.
8.2 Xxx xxxxxx xxxxxxxxxxx xx xxxxx postupovat xxxxxxxx xxxxxxxxx, xxx xxxxxxx xx ztrátám xxxxxx xxxx xxxxxx xxxxx přílišnému xxxxxxxx xxxxxx.
8.3 Pokud je xxxxxxx xxxxxxxxx xxxxxxx xxxxxxxxxx (xx. xxxxxxxxx xxxxx xxxxxxx), xxxxxxx xx xxxxx x xxxxxxx xxxx vyjmout, xxxxxx po xxxxxxxxx xxxxxxx několika xxxxxxx xxxx x xxxx xxxxxx xx xxxx.
XXXXXX 10
XXXXXXXXX POLARIZACE
1. Předmět x oblast xxxxxxx
Xxxxxx xxxxxx xx xxxxxxxxx xxxxxxxxxx
- v xxxxx xxxxxxxxx,
- x xxxxx xxxx v cukru xxxxx,
- x cukru xxxxx bílém.
2. Xxxxxxxx
Xxxxxxxxxx xx xxxxxx xxxxxxxxx xxxxxxxxx xxxxxxx obsahujícího 26 x cukru xx 100 xx, xxxxx xx xxxxxxx x xxxxxxx x xxxxx 200 mm, xxxxxx xxxxxx polarizovaného xxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxxxxxx xx xxxxxxx xxxxxx xxxxxxxxxxxx xxxx xxxxxxxxxxx xx podmínek xxxxxxxxx x xxxx xxxxxxx xxxxxx.
4. Reakční činidla
4.1 Xxxxxx činidlo: bazický xxxxxx xxxxxx olovnatého.
Do xxx 1000 xx xxxxxxx převařené xxxx xx přidá 560 x suchého xxxxxxxxx xxxxxx xxxxxxxxxx. Xxxx xx 30 xxxxx xxxx x poté xx xxxxx xxxx xxxx noc.
Tekutý xxxxxxxxxxx xx dekantuje x xxxxx xxxxxxx xxxxxxxxxx xxxxx xxx, aby xxxxxx xxxxxx o xxxxxxx 1,25 x/xx (xxx 20 °C).
Tento xxxxxx xx xxxxx xxxxxxx před přístupem xxxxxxx.
4.2 Xxxxxxxxxxxx
5. Xxxxxxxxx x pomůcky
5.1 Sacharimetr xxxxxxxxxxxx na normální xxxxxxxx 26 x xxxxxxxxx, xxxxxxxxx xxxxxxxxxx
Xxxxx xxxxxxxx xxxx xxx xxxxxxx x xxxxxxxxx, xx které xx xxxxx xxxxxxxx teplotu xxxxx 20 °C. Xxxxxxxx se xxxxxxxxxx xxxxxx standardních křemenných xxxxx.
5.2 Xxxxxxxx zdroj xxxxxxxxxxx xx sodíkové xxxxxxx.
5.3 Přesné polarimetrické xxxxxxx x xxxxx 200 mm s xxxxxxxxx ± 0,02 xx.
5.4 Xxxxxxxxxx xxxx, xxxxxx s xxxxxxxxx xx 0,1 mg.
5.5 Xxxxxxxxxx xxxxxxxxxxx odměrné xxxxx x xxxxxx 100 xx xx xxxxxxx. Xxxxx se xxxxxxxxx xxxxxxx v xxxxxxx 100,00 ± 0,01 ml xxxxx xxx xxxxxxx xxx xxxxxxx. Xxxxx x xxxxxxx mimo xxxxxxx xxxxxxx mohou xxx xxxxxxx pouze x xxxxxxxxx korekcí na 100 xx.
5.6 Vodní xxxxx xxxxxx xxxxxxxxxxx, xxxxxxxxx xx 20 ± 0,1 °X.
6. Xxxxxx
6.1 Xxxxxxxx xxxxxxx
Xx xxxxxxxxxxx xx xxxxxx 26 ± 0,002 x xxxxxx x xxxxxxxxxxxxx xx xxxxxxx xx xxxxxxx xxxxx x xxxxxx 100 xx (5.5) xxxxxxxxxx xxx 60 ml xxxx.
Xxxxxx xx xxxxxxxx xxxxxxx, xxxxxx xxxx xxxxxxxxxx.
Xxxxx xx xxxxx xxxxxx vyčiřit, přidá xx 0,5 ml xxxxxxx xxxxxx olovnatého (4.1).
Xxxxxx xx xxxxx xxxxxxxxx xxxxxxx baňky x xxxxx xxxxx xx xxxxxxxxx xxx xxxxxx, xxxxx meniskus xxxxxxxxxx xxx 10 xx pod xxxxxxxxxx xxxxx.
Xxxxx xx xxxxxx xx vodní lázeň (5.6) xxxxxxxxxx xxx 20 ± 0,1 °X x xxxxxxx xx xxx xxx xxxxxx, dokud xx xxxxxxx cukerného roztoku xxxxxxxx.
Xxxxxxx xxxxxxx vytvořené xx xxxxxxx kapaliny xx odstraní kapkou xxxxxxxxxxxxx (4.2).
Roztok xx xxxxxx vodou po xxxxx.
Xxxxx se zazátkuje x řádně se xxxxxxxx alespoň xxxxxxxxxxxx xxxxxxxxx xxxx xxxxxx.
Xxxxx xx nechá xxx xxxxx xxxx.
6.2 Stanovení xxxxxxxxxx
Xx dobu všech xxxx uvedených xxxxx xx xxxxxxx xxxxxxx 20 ± 0,1 °X.
6.2.1 Xxxxxxxxxx xx xxxxxxx na nulu.
6.2.2 Xxxxxx xx xxxxxxxxxxx xxxx filtrační papír. Xxxxxxx 10 xx xxxxxxxx xx xxxxxxxxx. Xxxx xx xx xxxxxxx 50 xx xxxxxxxx.
6.2.3 Polarimetrická trubice xx promyje dvojnásobným xxxxxxxxxxxxx xxxxxxxx xxxxxx xxxxxxxx k analýze (6.2.2).
6.2.4 Trubice xx xxx xxxxxxx 20 ± 0,1 °C xxxxxxx naplní roztokem xxxxxx určeného x xxxxxxx.
Xxx zasouvání xxxxxxxxx xxxxxxxx xx odstraní xxxxxxx xxxxxxxxx bubliny. Xxxxxxxx xxxxxxx xx xxxxxx do kolébky xxxxxxxxx.
6.2.5 Xxxxxx xx xxxxxxxxxx s xxxxxxxxx xx 0,05°X xxxx 0,02 úhlových xxxxxx. Xxxxx xx xxxxxxxx xxxxx čtyřikrát. Vypočte xx xxxxxx x xxxxxx xxxx xxxxxx.
7. Xxxxxxxxx výsledků
7.1 Vzorec x postup xxxxxxx
Xxxxxxxx xxxx xxxxxxxxx ve xxxxxxxx X x xxxxxxxxx xx 0,1°X. Xxx převod úhlových xxxxxx xx xxxxxx X se xxxxxxx xxxxx xxxxxx:
X = xxxxxx xxxxxx × 2,889
7.2 Xxxxxxxxxxxxxx
Xxxxxx xxxx xxxxxxxx xxxx xxxxxxxxx xxxxxxxxxxx xxxxxxx xxxx xxxxxx za sebou x téhož xxxxxx xxxxxx xxxxxxxxxxx za xxxxxxxxx xxxxxxxx xxxxx xxx větší než 0,1°X, přičemž xxxxxxxx xxxxxxx xxxxxxxxx xx xxxxxxxx x pěti xxxxxx.