Xxxxx směrnice Xxxxxx
xx xxx 26. xxxxxxxx 1979,
xxxxxx xx xxxxxxx xxxxxxxxxx metody Společenství xxx xxxxxxxx xxxxxxxxx xxxxx xxxxxxxx k xxxxxx xxxxxxxx
(79/796/XXX)
XXXXXX EVROPSKÝCH XXXXXXXXXXXX,
x xxxxxxx xx Xxxxxxx x založení Xxxxxxxxxx hospodářského xxxxxxxxxxxx,
x xxxxxxx xx xxxxxxxx Xxxx 73/437/EHS xx xxx 11. xxxxxxxx 1973 o sbližování xxxxxxxx xxxxxxxx xxxxxxxxx xxxxx xxxxxxxxxx se xxxxxxxxx cukrů xxxxxxxx x xxxxxx spotřebě [1], x zejména xx xxxxxx 11 xxxxxxx xxxxxxxx,
xxxxxxxx k xxxx, xx xxxxxx 11 xxxxxxx směrnice xxxxxxx, xx xxxxxxx xxxxxxxxx xxxxx se xxxxxxx xxxxxxxxxxxx xxxxxxxx Xxxxxxxxxxxx;
xxxxxxxx k xxxx, xx je xxxxxx xxxxxxxx xxxxxxxxx xxxx xxxxx, xxxxxxx studium xxx xxxx xxxxxxxx;
xxxxxxxx x tomu, xx x xxxxxxx xxxxxxxx 73/437/XXX xx xxxxxxxxx xxxxxx xxx stanovení xxxxx x cukru xxxx xxxxxx cukru x xxxxx xxxxx xxxxxx, xxxxxx stanovení xxxxxx konduktometricky x xxxxx extra bílého, xxxxxxxx xxxxx, tekutého xxxxxxxxxx cukru x xxxxxx x xxxxxxxxxx xxxxx x xxxxxx xxxxxxxxx xxxxx x xxxxxxx xxxxx xxxxx xxxxxx a tekutého xxxxx;
xxxxxxxx x xxxx, xx xx xx xxxxx xxxxxx bylo xxxxxx xx xx xxxxxxxxxxx dalších xxxxx Xxxxxxxxxxxx xxx stanovení xxxxxxxxxxxx xxxxx ponechat xxxxxxxx xxxxxx xxxxxxx xxxxxxxx i nadále xxxxxx xxxxx Lanea x Eynona (metody 7 x 8 x xxxxxxx XX x. III.3 a XXX.4) místo metody xxxxx Xxxxx a Xxxxxxxx (xxxxxx 6 x xxxxxxx XX x. XXX.3 x XXX.4);
xxxxxxxx x xxxx, xx xxxxxxxxxx metody xxxxxxxx x xxxx xxxxxxxx xxxx x xxxxxxx xx stanoviskem Xxxxxxx výboru pro xxxxxxxxx,
XXXXXXX XXXX XXXXXXXX:
Článek 1
1. Xxxxxxx xxxxx xxxxxxx, že xxxxxxx xxxxxxxx k xxxxxxx xxxxxxxx xxxxxxxxx x příloze X xxxx xxx prováděny xxxxx xxxxx xxxxxxxxx x příloze XX xxxx xxxxxxxx.
2. Xxxx xx xxxxxx druhý xxxxxxxxxxx, xxxxxxx se xxxxxx xxxxx Xxxxx x Schoorla (xxxxxxx XX, xxxxxx 6) xx xxxxxxxxx xxxxxxxxxxxx xxxxx xxxxxxxxxx
- v xxxxxxx xxxxx,
- x xxxxxxx bílém cukru,
- x xxxxxxx invertním xxxxx,
- v xxxxxxx xxxxx xxxxxxxxx xxxxx,
- x sirupu x xxxxxxxxxx xxxxx,
- xx xxxxxxxxx xxxxxx,
- v xxxxxxx xxxxxxxxx sirupu,
- x dextrose xxxxxxxxxxx,
- x xxxxxxxx xxxxxxx.
Xxxxxxx xxxxx xxxx xxxxx xx xxxx xxxxx xxxxxxxx xx xxxxxxxxx xxxxxxxxxxxx xxxxx v xxxxxx nebo xxxx xxxxxxx cukrů xxxxxxxxx x xxxxxxxxxx xxxxxxx xxxxxx xxxxx Xxxxx x Xxxxxx (xxxxxxx XX, xxxxxx 7 xxxx 8).
3. Pokud xxxxxxx stát využije xxxxxxx volby xxxxxxxx x xxxx. 2 xxxxxx pododstavci, xxxxxxxxxx x xxx uvědomí Xxxxxx x xxxxxxx xxxxxxx xxxxx.
Článek 2
Xxxxxxx státy xxxxxx x xxxxxxxx xxxxxx a xxxxxxx xxxxxxxx xxxxxxxx xxx xxxxxxxx xxxxxxx s xxxxx xxxxxxxx do 18 měsíců od xxxxxxxx této xxxxxxxx. Xxxxxxxxxx o xxxx xxxxxxx Komisi.
Článek 3
Xxxx xxxxxxxx xx xxxxxx xxxxxxxx xxxxxx.
X Bruselu xxx 26. xxxxxxxx 1979.
Za Xxxxxx
Xxxxxxx Davignon
člen Xxxxxx
[1] Xx. věst. X 356, 27.12.1973, x. 71.
PŘÍLOHA X
XXXXXX POUŽITÍ XXXXXXXXXXXX XXXXX SPOLEČENSTVÍ XXX NĚKTERÉ XXXXX XXXXXX X XXXXXX XXXXXXXX
PŘÍLOHA II
ANALYTICKÉ XXXXXX X XXXXXXX XXXXXXX XXXXXXXXX XXXXX XXXXXXXX X XXXXXX SPOTŘEBĚ
ÚVOD
1. Xxxxxxxx xxxxxx x xxxxxxx
Xxxxxx xxxxxxxx do xxxxxxxxxx xx xxxxxxxx xxxxxxxx.
Xxx xxxxxxx xx xx xxxxxx xxxxxx xxxxxxxx xxxxxxx 200 x x xxxxxxxx xxxxxxx xx xxxxx, xxxxx, xxxxxxxxx xxxxxxx xxxxxxxx xxxxxxxxxxxxx uzávěrem.
2. Xxxxxxx xxxxxxx, xxxxxxxxx x pomůcky
Při popisu xxxxxxxxx x pomůcek xxxx xxxxxxx xxxxxx xxxxx x xxxxxxx xxxxxxxxxxx xxxxxxxx a xxxxxxxxx, xxxx xxxx xxxxxxxxx, xxxxx xxxx xxxxxxxxx xxxxxxxxx xxxxxxxxxx.
Xxxxx xx xxxxxxxxx xxxx, xxxxxx se xxxxxxxxxxx xxxx nebo xxxxxxxxxxxxxxxx xxxx x alespoň xxxxxxxxxxxx čistotou.
Veškerá xxxxxxx xxxx být analytické xxxxxxx, xxxxx xxxx xxxxxxxxx xxxxx.
Xxxxx xx xxxxxxxxxx xx xxxxxx xxxxxxx xxx xxxxxxx xxxxxxxxx, xxxxx se x vodný xxxxxx.
3. Xxxxxxxxx xxxxxxxx
X xxxxxxx xxxxxxxxx x xxxxxxx xx uvede xxxxxxxx xxxxxxx xxxx průměrná xxxxxxx xx xxxx xxxxxxxxx x xxxxxxxxxxx xxxxxxxxxxxxxxx.
Xxxxx xxxx uvedeno xxxxx, jsou výsledky xxxxxxxxx x xxxxxxxxxx xxxxxxxxxxxx xxxxxxxxx xxxxxxxxxxxxx xxxxxx xxx, xxx xxx xx laboratoře xxxxxxx.
Xxxxx platných číslic x xxxxx vyjádřeném xxxxxxxx je xxxxx xxxxxxxxx metody.
METODA 1
XXXXXXXXX XXXXXX XXXXXXXXX SUŠENÍM
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx xxxxxx ke xxxxxxxxx xxxxxx xxxxxxxxx xxxxxxx
- v xxxxx xxxxxxxxx,
- v cukru xxxx x cukru xxxxx,
- x xxxxx xxxxx xxxxx.
2. Xxxxxxxx
"Xxxxxx xxxxxxxxx sušením": hodnota xxxxxx xxxxxxxxx xxxxxxx xxxxxxxxx popsanou xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxx hmotnosti xxxxxxx xx stanoví xxxxxxx xxx xxxxxxx 103 ± 2 °X.
4. Přístroje x xxxxxxx
4.1 Xxxxxxxxxx váhy xxxxxx s přesností 0,1 xx.
4.2 Sušárna x xxxxxxx xxxxxxxxx, xxxxxx xxxxxxxxxxx, xxxxxxxxxx xxxxxxxx xxxxxxx 103 ± 2 °C.
4.3 Xxxxxx váženka s xxxxxxx xxxx, odolná xxxx působení vzorku x testovacím xxxxxxxxx, x xxxxxxxx xxxxxxx 100 xx a x xxxxxxxx xxxxxxx 30 xx.
4.4 Xxxxxxxxx x xxxxxxx aktivovaným xxxxxxxxxxx nebo x xxxxxxxxxxx sušidlem x xxxxxxxxxxx xxxxxx vlhkosti.
5. Xxxxxx
Xxxxxxxx:
Xxxxxxx xxxxxxx x xxxxxx 5.3 xx 5.7 musí xxx xxxxxxxxx okamžitě xx xxxxxxxx xxxxxx xx xxxxxxx.
5.1 Xxxxx (4.3) xx vysuší xx xxxxxxxxxx xxxxxxxxx x xxxxxxx (4.2) při xxxxxxx 103 ± 2 °X.
5.2 Xxxxx xx xxxxx x xxxxxxxxxx (4.4) xxxxxxxxxxx xxxxxxx xx xxxx 30 xx 35 xxxxx x poté xx xxxxx x xxxxxxxxx xx 0,1 xx.
5.3 Xx xxxxx xx xxxxxx xxxxxxxxx 20 až 30 x xxxxxx s xxxxxxxxx xx 0,1 xx.
5.4 Xxxxx xx xxxxx do sušárny (4.2) x xxxxxxx 103 ± 2 °X, xxx se xxxxxxx 3 xxxxxx.
5.5 Xxxxx xx nechá xxxxxxxxxxx v xxxxxxxxxx (4.4) x xxxxx xx x xxxxxxxxx xx 0,1 xx.
5.6 Xxxxx xx xxxxx xxxxx na 30 xxxxx do sušárny x xxxxxxx 103 ± 2 °C.
Nechá xx xxxxxxxxxxx x xxxxxxxxxx (4.4) x xxxxx xx x xxxxxxxxx xx 0,1 xx. Pokud xx xxxxxx mezi dvěma xxxxxxxx xxxxx xxx 1 xx, xxxxxx xx xxxxxxx. Dojde-li xx xxxxxxx xxxxxxxxx, xxxxxxx se x xxxxxxx nejnižší xxxxxxxxxxx xxxxxxx.
5.7 Xxxxxxx čas xxxxxx nesmí být xxxxx xxx xxxxx xxxxxx.
6. Xxxxxxxxx xxxxxxxx
6.1 Xxxxxx a postup xxxxxxx
Xxxxxx xxxxxxxxx xxxxxxx x xxxxxxxxxx hmotnostních xxxxxx xx xxxx xxxxx xxxxxxx:
xxx:
x0 xx xxxxxxxxx hmotnost xxxxxxxxxx xxxxxx (g),
m1 xx xxxxxxxx xxxxxxxxxx xxxxxx xx vysušení (x).
6.2 Xxxxxxxxxxxxxx
Xxxxxx mezi xxxxxxxx xxxx xxxxxxxxx xxxxxxxxxxx xxxxxxx xxxx xxxxxx xx xxxxx z xxxxx xxxxxx xxxxxx xxxxxxxxxxx xx totožných xxxxxxxx nesmí xxx xxxxx xxx 0,02 x na 100 x vzorku.
METODA 2
XXXXXXXXX XXXXXX
Xxxxxx xxxxxx ve xxxxxxx xxxxxxx
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx xxxxxx ke stanovení xxxxxx sušiny
- xx xxxxxxxxx sirupu,
- x xxxxxxx xxxxxxxxx sirupu,
- x xxxxxxxx monohydrátu,
- x xxxxxxxx bezvodé.
2. Xxxxxxxx
"Xxxxx sušiny": xxxxx xxxxxx xxxxxxxxx xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxx xx stanoví xxx xxxxxxx 70 ± 1 °X ve xxxxxxx xxxxxxx xxx xxxxx nejvýše 3,3 xXx (34 xxxx). Xxxxxxxx vzorky xxxxxxxxxx xxxxxx xxxx xxxxxxxx xxxxxxxxxx sirupu se xxxx xxxxxxx xxxxxx xxxxxxxxx x xxxxx x x xxxxxxxxxx.
4. Xxxxxxx xxxxxxx
4.1 Xxxxxxxxx: xxxxxxxx xx x Xüxxxxxxxx nálevce xxxxxxxxxx xxxxxxxxxx xxxxxxxx xxxxxxxxx xxxxxxxxxxxxxxx (1 xx xxxxxxxxxxxxx xxxxxxxx x xxxxxxx 1,19 x/xx xx xxxx xxxx xxx 20 °X), xxxxx xxxxxxx nevykazuje xxxxxxxx kyselou xxxxxx. Xxxxxxxxx xx xxxxxx xx xxx xxxxxxx xxxxx xxx dlouho, xxxxx xxxxxxx pH xxxxxxxx xxxxxxxxxx nad 4; xxx xx xxxxxxxxx vysuší x xxxxxxx xxx 103 ± 2 °X x xxxxx se xx xxxxxxxxxxxxxx xxxxxx.
5. Xxxxxxxxx a xxxxxxx
5.1 Xxxxxxx sušárna, xxxxxxxx, xxxxxx xxxxxxxxxxx, vybavená xxxxxxxxxx a xxxxxxxx xxxxxxxxxx. Musí být xxxxxxxxxxxx tak, xxx xxx xxxxxxxx rychlý xxxxxxx xxxxx do xxxxxxx xxxxxxxxx na xxxxxxxx.
5.2 Xxxxxxxxx x xxxxxxxxx xxxxxxx skládající xx xx skleněné xxxxxx xxxxxxxx xxxxxxx xxxxxxxxxxx xxxxxxxxxxx xxxx xxxxxxxxxxx xxxxxxxxxxx, x xxxxxxxxxxx xxxxxx vlhkosti. Xxxx kolona xxxxxxxxxx xxxxxxxxxxxxxx xxxxxxxx sírovou xx xxxxxxx xxxxxxxxx x xxxxxxx xxxxx xxxxxxxxxx na xxxxx xxxxxxx do sušárny.
5.3 Xxxxxx umožňující xxxxxxxx x xxxxxxx tlak 3,3 xXx (34 xxxx) xxxx xxxxx.
5.4 Xxxxxx xxxxxxx s xxxxxxx xxxx xxxxxx xxxx xxxxxxxx vzorků x podmínkám zkoušky x xxxxxxxx xxxxxxx 100 mm x x xxxxxxxx xxxxxxx 300 mm.
5.5 Xxxxxxxx xxxxxxx x takové xxxxx, xxx xxxxxxx xxxxx xxxxxxxxx do xxxxxxx.
5.6 Xxxxxxxxx x xxxxxxx xxxxxxxxxxx silikagelem xxxx s rovnocenným xxxxxxxxxxx s xxxxxxxxxxx xxxxxx xxxxxxxx.
5.7 Xxxxxxxxxx xxxx vážící x xxxxxxxxx na 0,1 xx.
6. Postup
6.1 Do xxxxxxx (5.4) xx xxxxxxxxx tyčinkou (5.5) xx převede přibližně 30 g xxxxxxxxx (4.1), vše vloží xx do sušárny (5.1) x xxxxxxxx 70 ± 1 °X x xxxx xx sníží xxxxxxx xx 3,3 kPa (34 xxxx).
Xxxx xx xxx xxxx xxxxxxx 5 hodin, xxxxxxx xx xxxx xxxxxxxxx xxx xxxxxxxxx vzduchu xx xxxxxxx zavádí xxxxxx xxxxx vzduchu. Xxxxx xx xxxxxxxxxxx xxxx x xxxxx xxxxxxx xx xxxxxx.
6.2 Xxxxxxxxxx xxxxxxxx atmosférického xxxxx x sušárně xx xxxxxxx opatrným xxxxxxxx xxxxxxx xxxxxxx xxxxxxx. Xxxxx i xx xxxxxxxxx tyčinkou xx xxxxxxxx xxxxxxxx xx exsikátoru (5.6), xxx xx xxxxx xxxxxxxxxxx, x xxx xx xxxxx.
6.3 Xx xxxxxxx x obsahu 100 xx xx x přesností xx 1 mg naváží xxxxxxxxx 10 x xxxxxxxxxxxxx xxxxxx.
6.4 Xxxxxxxx xxxxxx xx xxxxx 10 ml teplé xxxx x roztok xx pomocí xxxxxxxx xxxxxxx (5.5) kvantitativně xxxxxxx do váženky.
6.5 Xxxxx xx xxxxxxxxx xxxxxxx x xxxxxxxxx xxxxxxxx se vloží xx xxxxxxx x xxxx se xxxxx xxxxxxx xx 3,3 xXx (34 xxxx). Xxxx xx při 70 ± 1 °X, xxxxxxx xx xxxxxxxx xxxxx xxxxxxxxx xxxxxx xxxxx suchého xxxxxxx.
Xxxxxx xx xxxxxxx xx dobu 20 xxxxx; x xxxxxxxxxx xxxxxx xxxxxxxx xx xxxxx xx xxxxx xxxxxxx xxx. Je xxxxxxxx xxxxxxxx xxxxxx x xxxxx při xxxxxxxxxx tlaku x xxxxxx xxxxxx xxxxxxx xx sušárny suchý xxxxxx tak, aby xx během xxxx xxxx udržoval xxxxxxxxx xx xxxxxxx 3,3 xXx (34 xxxx) xxxx xxxxx.
6.6 Xxxxxxxxxxxxxx xxxxx v sušárně xx xxxx dosáhne xxxxxxxx xxxxxxxx xxxxxxx xxxxxxx vzduchu. Xxxxxxx x s obsahem xx xxxxxxxx xxxxxxxx xx exsikátoru, xxx xx xxxxx xxxxxxxxxxx, x poté se xxxxx x xxxxxxxxx xx 1 xx.
6.7 Xxxxxxx (6.5) xx xxxxxxx po další 4 xxxxxx. X xxxxxxx xx xxxxxx xxxxxxxxxxxx xxxx a xxxxx xx ihned xxxxx xx exsikátoru. Xxxxx xx vychladnout x xxxxxxx se xxxxxx, zda již xxxx xxxxxxxx konstantní xxxxxxxxx. Xx xxxxxxxxxx xxxxxxxx se xxxxxxxx xxxxxx xxxxxxxx, xxx xxxxxx mezi xxxxx xxxxxxxx xxxx xxxxx xxxx xxxxx xxx 2 mg. V xxxxxxx případě xx xxxxxxx xxxxxxx 6.7.
6.8 Xxx xxxxxxxxx xxxxxx xx xxxxxxxx bezvodé xxxxxxxx nebo v xxxxxxxxxxx xxxxxxxx xxxx xxxxxxx xxxxxxxxx a xxxx xxxxxxxxx.
7. Xxxxxxxxx xxxxxxxx
7.1 Xxxxxx x xxxxxx xxxxxxx
Xxxxx xxxxxx xxxxxxxxx x xxxxxxxxxx xxxxxxxxxxxx xxxxxx xx xxxxxxxx xxxxx tohoto xxxxxx:
xxx:
x0 = xx xxxxxxxxx hmotnost xxxxxxxxxx xxxxxx (x),
x1 = xx xxxxxxxx váženky x xxxxxxxxxx, skleněnou xxxxxxxx a xxxxxxx xxxxxxxxxx xxxxxx po xxxxxx (x),
x2 = xx hmotnost xxxxxxx x xxxxxxxxxx a xxxxxxxxx xxxxxxxx (x).
7.2 Xxxxxxxxxxxxxx
Xxxxxx xxxx xxxxxxxx xxxx xxxxxxxxx provedených xxxxxxx nebo rychle xx xxxxx x xxxxx vzorku tímtéž xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx nesmí být xxxxx xxx 0,12 x na 100 x xxxxxx.
XXXXXX 3
STANOVENÍ XXXXXXX XXXXXX
(Xxxxxxxxxxxxxxxx metoda)
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx stanoví xxxxx xxxxxx
- x xxxxxxx xxxxx,
- x xxxxxxx xxxxx xxxxx,
- x xxxxxxx xxxxxxxxx xxxxx,
- x xxxxxxx bílém xxxxxxxxx xxxxx,
- x xxxxxx z xxxxxxxxxx xxxxx,
- v xxxxxx x xxxxxx xxxxxxxxxx xxxxx.
2. Xxxxxxxx
"Xxxxx xxxxxx": xxxxx xxxxxx xxxxxxxxx xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxxx xx xxxxx xxxx xxxxxxxxxx vzorku xxx 20 °X x podle xxxxxxx xxxxxxxxxxx xxxxxxxxxxx xxxx xxxxxx xxxxxx xxxx xx xxxxxxx xx xxxxx xxxxxx.
4. Přístroje x pomůcky
4.1 Refraktometr x xxxxxxxxx xxxxxx xx xxxxx xxxxxxxxx xxxxx, vybavený teploměrem x xxxxxxxx xxxxxx xxxxxxxxx propojeným x xxxxx lázní, xxxxx xx xxxxxxxxx xxxxxxxxxxx xx teplotě 20 ± 0,5 °X.
4.2 Xxxxxxxx xxxxx xxxxxxxxxxx xx xxxxxxxx xxxxxxx.
5. Xxxxxx
5.1 Pokud jsou xx xxxxxx xxxxxxxx xxxxxxxx, rozpustí se xxxxxxxx vzorku v xxxxxx 1:1 (m/m).
5.2 Xxxxxxxxxxxxxx (4.1) se xxxxx xxxxx lomu xxxxxx xxx 20 °X.
6. Xxxxxxxxx výsledků x jejich xxxxxxx
6.1 Xxxxx xxxxxx xx xxxxxxx x xxxxxx xxxx pro xxxxxxx xxxxxxxxx při 20 °X xxxxx xxxxxxx xxxxxxx a xxxx xxxxxxx xx přítomnost xxxxxxxxxx cukru x xxxxxxxxxxxx xxxxxx xx x výsledku x xxxxxxx xxxxxx xx xxxxx 1 % xxxxxxxxxx cukru xxxxxxx 0,022.
6.2 Xxxxx xxx xxxxxx xxxxxx xxxxx x xxxxxx 1:1 (x/x), musí se xxxxx xxxxxxxxx xxxxxx xxxxxxxxx dvěma.
6.3 Opakovatelnost
Rozdíl xxxx výsledky xxxx xxxxxxxxx xxxxxxxxxxx zároveň xxxx rychle xx xxxxx z xxxxx xxxxxx tímtéž xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx xxxxx xxx xxxxx xxx 0,2 x xxxxxx na 100 x xxxxxx.
XXXXXXXXXX TABULKY
Indexy xxxx (n) roztoků xxxxxxxxx při 20 °X [1]
x (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 x těchto xxxxxxxxx xxxx xxxxxxxxx xxxxxx xxxxxxx, jejímž xxxxxxx xxx XXXXXX xx K. Xxxxxxxxxx. Xxxxxxx xxxx xxxxxxxxxxxxxx x výpočty xxxxxxxxx Xxxxxxx X. Xxxxxxxxxxx x XXXX a xxxx publikovány x Xxxxx X. 33, 15-22 (červen 1970). Xxxxx xxxx byl xxxxx při 20 °X xxxxxx D xxxx Na. Xxxx (xxxxxxxx xxxxxxxxxx sacharosy) xxx xxxxxx xxxxxxx xxx 20 °X xx vzduchu xxx xxxxx 760 xxxxx (xx Xx) x xxxxxxxxxxxxxxxxx xxxxxxxxx vlhkosti. Xxxx xxxxxxx nahrazuje xxxxxxx xxxxxxxxx (47&xxxx;012, xxxxxx 11) xxxxxxxxxxxx x Intern. Xxxxx X. 39, 22 (1937).
XXXXXX 4
XXXXXXXXX XXXXXXXXXXXX XXXXX VYJÁDŘENÝCH JAKO XXXXXXXX XXXXX
(Xxxxxx xxxxx xxxxxx Xxxxxx Institut)
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx xxxxxx xx xxxxxxxxx xxxxxxxxxxxx xxxxx xxxxxxxxxxx jako xxxxxxxx xxxx x xxxxx xxxxxxxxx
2. Xxxxxxxx
„Xxxxxxxxxx xxxxx xxxxxxxxx xxxx xxxxxxxx xxxx“: obsah redukujících xxxxx stanovený xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxx xxxxxx x obsahem xxxxxxxxxxxx xxxxx xx xxxxxxx xxx xxxxxxx xxxxxxx komplexu mědi XX. Xxxxxxx oxid xxxxx xx pak xxxxxxx odměrným xxxxxxxx xxxx (xx xxxxxx xxxxxx), xxxxx xxxxxxxx xx xxxxxxx xxxxxxx xxxxxxx xxxxxxxx roztokem xxxxxxxxxx xxxxxxx (xx xxxxxx titrem).
4. Xxxxxxx xxxxxxx
4.1 Roztok Xx XX (Xxxxxxxx roztok)
4.1.1 Xx 400 ml xxxxxx xxxx se xxxxxxxx 35 x xxxxxx xxxxxxxxx xxxxxxxxxxxx (XxXX4 5X2X) a xxxxx xx xxxxxxxxxxx.
4.1.2 X 500 xx xxxxxx xxxx xx xxxxxxxx 173 x xxxxxx xxxxxxxxxxxxxxx xxxxxxxxxxxx (Xxxxxxxxxx xxxx Seignettova xxx, XXxX4X4X6,4X2X) x 68 g bezvodého xxxxxxxxxx xxxxxxx x xxxxx xx xxxxxxxxxxx.
4.1.3 Xxx xxxxxxx (4.1.1 x 4.1.2) xx xxxxxxxx do litrové xxxxxxx baňky x xxxxxx xx xxxxx xx 1 litru. Xx přidání 2 x aktivního xxxx xx xxxxx xxxxxxxx, xxxxx xx několik xxxxx xxxx a xxxx xx xxxxxxxxxxx xxxx xxxxx xxxxxxxx xxxx membránový xxxxx.
Xxxxx xx x xxxxxxx xxxxxxxxxx xxxxxxx xxxxxx xxxx množství xxxxx xxxxxxx, je xxxxx xxxxxx xxxxx xxxxxxxxxxxx.
4.2 Xxxxxxxx xxxxxx, roztok 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 mol/l.
4.5 Xxxxxx xxxxxx: xx xxxxx vroucí vody xx xxxxxxx směs 5 g xxxxxxxxxxx xxxxxx rozmíchaného xx 30 xx xxxx, xxxxxx se 3 xxxxxx a nechá xxxxxxxxxxx. V xxxxxxx xxxxxxx xx xxxxx 10 xx xxxxxx xxxxxxxxxx xxxx xxxxxxxxxxxxx xxxxxxx.
5. Přístroje x xxxxxxx
5.1 Erlenmeyerova xxxxx, 300 ml; přesné xxxxxx a xxxxxx.
5.2 Xxxxx xxxxx, xxxxxx.
6. Xxxxxx
6.1 Xx 300 xx Xxxxxxxxxxxxx xxxxx xx xxxxxx část xxxxxx (10 g xxxx xxxx), xxxxx xxxxxxxxxx xxxx než 30 xx invertního xxxxx, x xxxxxxxx xx xxxxxxxxx xx 100 xx xxxx.
Xx xxxxx x roztokem xxxxxx xx odpipetuje 10 xx xxxxxxx Xx XX (4.1), xxxxx xx xxxxxxxxx xxxxxxx xxxxxxx a xxxxx xx xxxxx xx xxxxxx xxxxx xxxxx (5.2) xx xxxx xxxxxx 10 xxxxx.
Xxxxxxx roztoku x Xxxxxxxxxxxxx xxxxx xxxx xxx xxxxxxx 20 xx xxx úrovní xxxxxxx ve xxxxx xxxxx. Xxxxx xx xxxxxx ochladí xxxxxxx xxxxxxx xxxx, přičemž xx xxxxxx xxxxx xxxxxxxxxxx, xxx xxxxxxx x xxxxxxxx xxxxxxx xxxxxxxxxxx xxxxx xxxxxxx xxxxxxxx xxxxxxxx.
Xxx protřepávání xxxxxx xx xxxxxxx xxxxx 5 ml xxxxxxx kyseliny octové (4.2) x koncentraci 5 xxx/x a xxxxx poté xx xxxxxxx přidá xxxxxxxx (20 xx 40 xx) xxxxxxx xxxx (4.3) o xxxxxxxxxxx 0,016 65 xxx/x.
Xxxxxxxxx xxxx se xxxxxxxx xxxxxxxx x přebytek xxxx xx xxxxxxx xxxxxxxx thiosíranu xxxxxxx (4.4) o xxxxxxxxxxx 0,0333 xxx/x xxx xxxxxxx xxxxxxx xxxxxx (4.5) xxxx xxxxxxxxxx. Xxxxxxxxx xx xxxxxxx xx xxxxx xxxxxxx.
6.2 X xxxxx xx xxxxxxx xxxxx xxxxx, xxxxx xx opakuje xxxx při použití xxxxxx xxxxxxx Xx XX (4.4). Xxxxxxxx xxxxxxxx xxxxxxxxxx 0,1 xx.
6.3 X cukerným xxxxxxxx xx xx xxxxxx xxxxxxx kontrolní xxxxxxx. Xxxxxx xx xxxxx xxxx xxx xxxxxxxxxxx teplotě po xxxx 10 minut, xxx xxxxx xxxxx x xxxxxx xxxxxx, xxxxxxxxxx xxxxxxxxxx xxxxxxxxxxxx xxxxx, jako je xxxxxxxxx xxxx xxxxxxxx.
7. Xxxxxxxxx xxxxxxxx
7.1 Xxxxxx x postup xxxxxxx
Xxxxx xxxxxxxxxxxxxx roztoku xxxx xx rovná xxxxxx (xx) přebytku xxxxxxxxx xxxxxxx jódu (0,016 65 xxx/x) xxxxx xxxxx (xx) xxxxxxx xxxxxxxxxx xxxxxxx (0,0333 xxx/x) xxxxxxxxxxxxxx xxx xxxxxxx.
Xxxxx (ml) spotřebovaného xxxxxxx xxxx (0,016 65 mol/l) xx xxxxxx xxxxxxxxx:
7.1.1 xxxxx xx xxxxxxxxxxxxxx xxx xxxxxx xxxxxx x xxxxx (6.2),
7.1.2 xxxxx xx xxxxxxxxxxxxxx xxx xxxxxxxxx zkoušce x xxxxxxxx xxxxxxxx za xxxxxx (6.3),
7.1.3 xxxxxx 2,0 ml xx xxxxxxx 10 g xxxxxxxxx xxxxxxxx x xxxxxxxx alikvotním xxxxxx xxxx xxxxxxxx xxxxxxxx, xxxxxxxx-xx vzorek xxxx xxx 10 g xxxxxxxxx (xxxxxxx na xxxxxxxxx).
Xx provedení xxxxxx xxxxxxx xxxxxxxx spotřeba 1 ml xxxxxxxx xxxxxxx (4.3) 1 xx xxxxxxxxxx cukru.
Obsah xxxxxxxxxx cukru x xxxxxxxxxx xxxxxx se xxxxxxxx xxxxx xxxxxx:
xxx:
X1 = xxxxx ml xxxxxxxx xxxxxxx (4.3) xx xxxxxxx,
x0 = xxxxxxxx použitého xxxxxx (x).
7.2 Opakovatelnost
Rozdíl xxxx xxxxxxxx dvou stanovení xxxxxxxxxxx zároveň xxxx xxxxxx xx sebou x téhož xxxxxx xxxxxx xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx nesmí xxx xxxxx než 0,02 x xx 100 g vzorku.
METODA 5
XXXXXXXXX XXXXXXXXXXXX XXXXX XXXXXXXXXXX XXXX XXXXXXXX XXXX
(Xxxxxx xxxxx Xxxxxxx x Xxxxxx)
1. Xxxxxxx x xxxxxx použití
Metoda xxxxxx xx xxxxxxxxx xxxxxxxxxxxx xxxxx xxxxxxxxxxx xxxx invertní xxxx
- x xxxxx xxxx x xxxxx xxxxx,
- x xxxxx extra xxxxx.
2. Xxxxxxxx
„Xxxxxxxxxx xxxxx xxxxxxxxx xxxx xxxxxxxx xxxx“: xxxxx xxxxxxxxxxxx xxxxx xxxxxxxxx xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
X xxxxxxx xxxxxx xx xxxxx x přebytku xxxxxxx s xxxxxxx Xx XX, zredukovaný x xxxxxxxxxxxxx xxxxx xx xxx stanoví xxxxxxx xxxxxxx x xxxxxxxx XXXX.
4. Reakční xxxxxxx
4.1 Kyselina xxxxxxxxxxxxxxxxxxxxxxxx (xxxxxxxxx xxx) (EDTA), xxxxxx 0,0025 xxx/x: xxxxxxxx xx 0,930 x EDTA xx xxxx a doplní xx vodou xx xxxxxxx litru.
4.2 Xxxxxx xxxxxxxxxx xxxxxxxx: 0,25 x xxxxxxxx xx xxxxx xx 50 xx vody x xxxxxx xx s 20 xx xxxxxxx xxxxxxx methylenové modři x xxxxxxxxxxx 0,2 x/100 ml.
4.3 Xxxxxxxxx xxxxxxx xxxxxxx: x 600 xx vody xxxxxxxxxx 40 xx xxxxxxxxx xxxxxxx o xxxxxxxxxxx 1,0 xxx/x xx xxxxxxxx 25 x xxxxxxxxx xxxxxxxxxx xxxxxxx x 25 x xxxxxx xxxxxxxxxxxxxxx xxxxxxxxxxxx. Xxxxxxxxx x 100 ml xxxx xx xxxxxxxx 6,0 x síranu xxxxxxxxx – xxxxxxxxxxxx (CuSO4 5X2X), xxxxxxx xxxxxx xx xxxxx x xxxxxxx xxxxxx x xxxxxx xxxxx xx xxxxxxx xxxxx.
Xxxxxxxx: Xxxxxx xx xxxxxxxx trvanlivost (xxxxx týden).
4.4 Standardní xxxxxx xxxxxxxxxx cukru: x odměrné baňce x objemu 250 xx xx xxxxxxxx 23,750 x xxxxx xxxxxxxxx (4.5) xxx xx 120 ml xxxx. Přidá se 9 xx xxxxxxxx xxxxxxxxxxxxxx (X20 = 1,16) x xxxxx xx stát xxx xxxxxxxxxxx teplotě po xxxx 8 xxx. Xxxxxx se doplní xx 250 ml x ukončení xxxxxxxxx xx zkontroluje xxxxxxx xx xxxxxxxxxxx xxxx xxxxxxxxxxxx xxx použití xxxxxxx x xxxxx 200 xx. Zjištěná xxxxxxx se má xxxxxx 11,80 ± 0,05°X (xxx xxxxxxxx 8). 200 xx xxxxxx roztoku xx xxxxxxxxxx xx odměrné xxxxx o xxxxxx 2000 ml, xxxxx xx xxxxx x xx xxxxxxx xxxxxxxxxxxx (xxx xxxxxxx x xxxxxxxxxx xxxxxxxx zalkalizování xxxxxxx) xx přidá 71,4 ml xxxxxxx xxxxxxxxx xxxxxxx (1 xxx/x), xx kterém xxxx rozpuštěny 4 x xxxxxxxx xxxxxxxx. Xxxxxx xx doplní xx 2000 xx, xx. xxx xxxxxxxxx 1 x invertního xxxxx ve 100 xx; hodnota pH xxxxxxx xx xx xxxxxxxxx xxxxx 3.
Xxxxx xxxxx zásobní xxxxxx xx xxxx xxxxx xxxxxxxxxxxxx xxxx použitím.
4.5 Xxxxx xxxxxxxxx: vzorek xxxxx xxxxxxxxx x xxxxxxx xxxxxxxxxx xxxxx xxxxxxx 0,001 x/100 x.
5. Přístroje a xxxxxxx
5.1 Xxxxxxxx 150 x 20 xx.
5.2 Xxxx xxxxxxxxxxx miska.
5.3 Xxxxxxxxxx xxxx xxxxxx x xxxxxxxxx xx 0,1 xx.
6. Xxxxxx
6.1 Xx xxxxxxxx (5.1) xx rozpustí 5 x vzorku xxxxx x 5 xx xxxxxxx xxxx, xxxxxxx xx 2,0 xx xxxxxxxxx xxxxxxx (4.3) x xxxxx xx xxxxxxxx. Xxxxxxxx xx xxxxxx xx lázně x vroucí xxxxx xx dobu 5 xxxxx a poté xx xx xxxxxxx xxxx xxxxxxx.
6.2 Xxxxxx xx ze xxxxxxxx xxxxxxxxxxxxx, s xxxxxxxx xx nejmenšího xxxxxxxx xxxx, převede do xxxx xxxxxxxxxxxx misky (5.2), přidají se xxx xxxxx xxxxxxxxxx (4.2) x xxxxxxx xx xxxxxxxx XXXX (4.1). Xxxxxxxx spotřeba x ml xx xxxxxx xxxx X0.
Xxxxx xxxx xxxxxxxxx xxxxxxx xx barva roztoku xxxxx xx xxxxxx xxxx xxxxx na xxxxxxxxxx v xxxxxxxx xxxx. Purpurová xxxxx xxxxxx mizí x xxxxxxxx xxxxxxx oxidu xxxxxxx xx oxid xxxxxxx xxxxxxxx xxxxxxx xxxxxx xx koncentraci xxxxxxxx xxxxxxxxxxx mědi. Xxxxx je při xxxxxxx xxxxx xxxxxxxxx xxxxxxxxx xxxx xx xxxxx xxxxxxxxxxx.
6.3 Sestrojí xx kalibrační křivka xx základě xxxxxxxxx xxxxxxx xxxxxxxx invertního xxxxx (příslušně zředěný xxxxxx 4.4) k 5 x xxxxx xxxxxxxxx (4.5) a xxxxxxxxxxxxxx xxxxxxxx xxxxxxx xxxx xxx, aby xxxxxxx xxxxx xxxxxxxxx xxxxxxx xxxxx 5 xx. Xxxxxxxx xxxxxxxx (xx) xx vynese xx xxxxx xxxxx xxxxxxxxxxx xxxxxx invertního xxxxx xxxxxxxxx k 5 g sacharosy; xxxxxxxxx křivkou xx xxxxxx x rozmezí 0,001 až 0,019 x xx 100 x xxxxxxxxxx xxxxx, xxxx. 100 x xxxxxx.
7. Vyjádření xxxxxxxx
7.1 Xxxxxx xxxxxxx
X xxxxxxxxxx xxxxxx xx xxxxxx xxxxx invertního xxxxx (x xxxxxxxxxx) odpovídající xxxxxxxx XXXX X0 xx při analýze xxxxxx.
7.2 Xxxxx xx xxxxxxxxxxx xxxxx xxxxxxxxxxx xxx 0,017 x xxxxxxxxxx cukru xx 100 g xxxxxxxxxxxxx xxxxxx, xxxx se xxxxxxxxx xxxxxx xxxxxxxx xxxxxx v xxxx 6.1, xxxxxxxxxxx vzorek xx xxxx xxxx xxxxxxx do 5 x čistou sacharosou (4.5).
7.3 Opakovatelnost
Rozdíl xxxx xxxxxxxx xxxx stanovení xxxxxxxxxxx zároveň xxxx xxxxxx xx xxxxx x téhož xxxxxx xxxxxx xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx nesmí xxx větší než 0,005 x xx 100 x xxxxxx.
8. Xxxxxxxx
Xxx převodu xxxxxxx xx °S xx xxxxxxxxxxxxxx xxxxxx xxxxxx xx hodnota xxxxxxx x °X xxxx 2,889 (polarimetrická xxxxxxx x délce 200 xx; xxxxxxxx xxxxxxx xxxx světelný xxxxx; xxxxxxxx xxxxxxxx v xxxxxxxxx, ve xxxxx xx xxxxx xxxxxxxx xxxxxxx kolem 20 °X).
XXXXXX 6
XXXXXXXXX XXXXXXXXXXXX XXXXX XXXXXXXXXXX XXXX XXXXXXXX CUKR XXXX XXXXXXXXXX XXXXXXXXXX
(Xxxxxx xxxxx Xxxxx x Xxxxxxxx)
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx xxxxxx xx xxxxxxxxx
1.1 xxxxxx xxxxxxxxxxxx xxxxx vyjádřeného jako xxxxxxxx xxxx
- v xxxxxxx xxxxx,
- x xxxxxxx bílém cukru,
- x xxxxxxx xxxxxxxxx xxxxx,
- x xxxxxxx xxxxx xxxxxxxxx xxxxx,
- x xxxxxx x xxxxxxxxxx xxxxx,
- v xxxxxx x xxxxxxxxxx xxxxx xxxxxx;
1.2 xxxxxx xxxxxxxxxxxx xxxxx xxxxxxxxxxx x xxxxxxxxxxx (vztaženo xx sušinu) jako xxxxxxxxxx ekvivalent
- ve xxxxxxxxx xxxxxx,
- x xxxxxxx xxxxxxxxx sirupu;
1.3 xxxxxx redukujících xxxxx xxxxxxxxxxx xxxx D-glukosa
- x dextrose xxxxxxxxxxx,
- x xxxxxxxx xxxxxxx.
2. Xxxxxxxx
„Xxxxxxxxxx xxxxx xxxxxxxxx xxxx xxxxxxxx xxxxx, X-xxxxxxx xxxx xxxx xxxxxxxxxx xxxxxxxxxx": xxxxx xxxxxxxxxxxx xxxxx vyjádřený xxxx xxxxxxxxx xxxx xxxxxxxx cukr, Xxxxxxxx xxxx xxxxxxxxxx ekvivalent xxxxxxxxx xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxx s xxxxxxxxxxxx xxxxx se xxxxxx (x x xxxxxxx xxxxxxx xxxxxx) xx xxxxxxxxxxxx podmínek x bodu xxxx x xxxxxxxx Cu XX, xxxxx se xxxxxxxx xxxxxxxx na Xx I. Přebytek Xx XX xx xxxx xxxxxxx xxxxxxxxxxxx.
4. Xxxxxxx xxxxxxx
4.1 Carrezův xxxxxx X: 21,95 x octanu xxxxxxxxxxx xxxxxxxxx, (Xx(XX3XXX)22X2X) nebo 24 x xxxxxx xxxxxxxxxxx trihydrátu, (Zn(CH3COO)2-3H2O) xx spolu x xxxxxxxxx 3 ml xxxxxx kyseliny xxxxxx xxxxxxxx ve xxxx x xxxxxx vodou xx 100 xx.
4.2 Xxxxxxxx roztok II: 10,6 x xxxxxxxxxxxxxxxxxxxx xxxxxxxxxx xxxxxxxxxx (X4[Xx(XX)6]-3X2X) xx xxxxxxxx xx xxxx x xxxxxx xxxxx xx 100 xx.
4.3 Xxxxxxx-Xxxxxxxxxx xxxxxxx: xxxxxxxx se xxxx xxxxxxx:
4.3.1 Xxxxxx síranu xxxxxxxxx: 25 g xxxxxx xxxxxxxxx xxxxxxxxxxxx (XxXX45X2X) xxxxxxxxxxxxxx xxxxxx xx rozpustí xx 100 xx xxxx.
4.3.2 Xxxxxx xxxxxxxx citrónové: 50 x xxxxxxxx xxxxxxxxx xxxxxxxxxxx (X6X8X7-X2X) xx rozpustí v 50 xx xxxx.
4.3.3 Xxxxxx xxxxxxxxxx xxxxxxx: 143,8 x xxxxxxxxx xxxxxxxxxx sodného se xxxxxxxx xxxxxxxxx x 300 ml horké xxxx a xxxxx xx xxxxxxxxxxx.
4.3.4 X xxxxxxx uhličitanu sodného (4.3.3) v xxxxxxx xxxxxxx xxxxx xx xx xxxxxxx xxxxxxxxxxxx xxxxxxxxx pohybem xxxxxxx xxxxxx xxxxxxxx xxxxxxxxx (4.3.2). Xxxxx xx xxxxx, xxxxx xx xxxxxxxxxx xxxxxxx xxxx, xxx se xxxxx xxxxxx síranu xxxxxxxxx (4.3.1) x xxxxx xx xxxxxx xx 1000 xx. Roztok xx xxxxx xxxx xxxx xxx, x xxxxxxx xxxxxxx xx xxxxx xxxxxxxxxxx. Provede xx xxxxxxxx molarity xxxxxxx xxxxxxx xxxxx xxxxxx xxxxxxx x xxxx 6.1 (Xx 0,1 mol/l; Na2CO3 1 xxx/x).
4.4 Roztok xxxxxxxxxx, 0,1 mol/l.
4.5 Xxxxxx xxxxxx: xx xxxxxxx xxxxx vroucí xxxx xx xxxxxxx 5 g xxxxxxxxxxx xxxxxx rozmíchaného xx 30 xx xxxx. Xxxxxx xx 3 xxxxxx a nechá xx vychladnout; xx-xx xxxxx, xxxxx xx 10 xx jodidu xxxxxxxxxx jako xxxxxxxxxxx xxxxxxx.
4.6 Xxxxxxxx xxxxxx, 3 xxx/x.
4.7 Xxxxxx xxxxxx xxxxxxxxxx, 30 % (x/X).
4.8 Xxxxxx xxxxx, xxxxxxxx x xxxxxxxx chlorovodíkové, xxxxxxx xxxxx xx vymizení xxxxxx reakce x xxxxxxxx.
4.9 Xxxxxxxxxxx.
4.10 Hydroxid xxxxx, 0,1 xxx/x.
4.11 Xxxxxxxx xxxxxxxxxxxxxx, 0,1 xxx/x.
4.12 Xxxxxxxxxxx, xxxxxxxxxxxxxx xxxxxx (x/X) v xxxxxxxx.
5. Přístroje a xxxxxxx
5.1 Erlenmeyerova xxxxx, x objemu 300 xx, se xxxxxxx xxxxxxxxx.
5.2 Xxxxxx.
6. Postup
6.1 Xxxxxxxxx xxxxx Xxxxxxx-Xxxxxxxxxx xxxxxxx (4.3):
6.1.1 Ke 25 ml Xxxxxxx-Xxxxxxxxxx xxxxxxx (4.3) se xxxxxxx 3 x xxxxxx draselného x 25 xx kyseliny xxxxxx x koncentraci 3 xxx/x (4.6).
Xxxxxxx xx roztokem thiosíranu xxxxxxx o xxxxxxxxxxx 0,1 xxx/x (4.4) xx použití škrobového xxxxxxx (4.5) jako xxxxxxxxxx, který se xxxxx xx xx xxxxx xxxxxxx. Xxxxx xxxx xxxxxxxx xxxxxxx xxxxxxxxxx x xxxxxxxxxxx 0,1 xxx/x xxxxx 25 xx, xxxx xxx xxxxxxx připraveno xxxxx.
6.1.2 Xxxxxxxxxx xx 10 xx xxxxxxx xx 100ml xxxxxxx xxxxx x xx xxxxx se doplní xxxxx.
10 xx xxxxx xxxxxxxxx činidla xx xxxxxxxxxx xx Xxxxxxxxxxxxx xxxxx xxxxxxxxxx 25 xx xxxxxxxx chlorovodíkové x koncentraci 0,1 xxx/x (4.11) x xxxxxxx se xx xxxx xxxxx hodiny xx vroucí vodní xxxxx. Xxx xx xxxxxx xxxxxxx, doplní xx xx xxxxxxx xxxxx čerstvě převařenou xxxxx a xxxxxxx xxxxxxxx hydroxidu xxxxxxx x xxxxxxxxxxx 0,1 xxx/x (4.10) xx xxxxxxx fenolftaleinu (4.12) xxxx xxxxxxxxxx.
Xxxxxxxx xxxxxxx xxxxxxxxx sodného, 0,1 xxx/x (4.10) xxxx xxx mezi 5,5 x 6,5 ml.
6.1.3 10 xx xxxxxxxxx xxxxxxx (6.1.2) xx xxxxxxx kyselinou chlorovodíkovou, 0,1 xxx/x (4.11) xx použití fenolftaleinu (4.12) xxxx xxxxxxxxxx. Xxxxxxx bod titrace xx xxxxxxxxxxxxxxx xxxxxxx xxxxxxxxx xxxxxxxx.
Xxxxxxxx xxxxxxx xxxxxxxx chlorovodíkové, 0,1 xxx/x (4.11) xxxx xxx xxxx 6,0 x 7,5 xx.
6.1.4 Xxxxxxx xX Xxxxxxx-Xxxxxxxxxx xxxxxxx musí xxx xxxx 9,3 a 9,4 xxx 20 °X.
6.2 Xxxxxxxx xxxxxxx
6.2.1 Xxxxxx xx 5 x xxxxxx s xxxxxxxxx xx 1 xx a xxxxxxxxxxxxx xx převede xx xxxxxxx baňky x xxxxxx 250 xx xxxxxxxxxx 200 ml xxxx. X xxxxxxx xxxxxxx xx xxxxxx xxxxxxxx 5 ml Xxxxxxxxx roztoku X (4.1), xxx xx xxxxx 5 xx Xxxxxxxxx roztoku XX (4.2). Po xxxxxxxx xxxxxxx xxxxxxx se xxxxx xxxxxxx. Xxxxxx xx xxxxxx xxxxx xx 250 xx x xxxxx xxxxxxxx. X xxxxxxx xxxxxxx xx xxxxxx xxxxxxxxxxx.
6.2.2 Xxxxxx (6.2.1) xx xxxxx v takovém xxxxxx, aby obsah xxxxxxxxxxxx xxxxx xxxxxxxxxxx xxxx xxxxxxx xx x 25 ml xxxxxxx xxxxxxxxx x xxxxxxx 15 až 60 mg.
6.3 Xxxxxxx xxxxx Xxxxxxx-Xxxxxxxxxx metody
Do 300 xx Xxxxxxxxxxxxx xxxxx (5.1) xx xxxxxxxxxx 25 ml Xxxxxxx-Xxxxxxxxxx xxxxxxx (4.3), xx xxxxx xx xxx xxxxxxx xxxxxx 25 ml xxxxxxxxx xxxxxxx (6.2.2) a xxxxx xx xxx xxxxxx xxxxx (4.8). X xxxxx (5.1) xx xxxxxxx xxxxxx xxxxxxx x aparatura xx ihned xxxxxx xx xxxxxxxx azbestovou xxxxx nad xxxxxx Xxxxxxxxx kahanu. Xxxxx xx x xxxxxxxxx xxxxx xxxxxxxxx kruhový xxxxx x tomtéž xxxxxxx, xxxx xx xxx baňky. Xxxxxxxx xx xxxxxxxxx xxxxx xxxx minut xxxxx xx xxxx a xxxxx se xxxxxx 10 minut xxxxx xxxxx. Pak xx xxxxx xxxxxxx xx xxxxxxx vodě a xx pěti xxxxxxxx xx titruje xxxxx xxxxxx postupu:
Přidá se 10 xx xxxxxxx xxxxxx xxxxxxxxxx (4.7), xxxxxxxxxxxxx poté se xxxxx opatrně (x xxxxxxx xx xxxxxxxx xxxxx plynu) 25 xx xxxxxxxx sírové x xxxxxxxxxxx 3 xxx/x (4.6). Xxxxxxx xx xxxxxxxx xxxxxxxxxx xxxxxxx x xxxxxxxxxxx 0,1 xxx/x (4.4), xxxxx xx roztok xxxxx xxxxxxxxx, xxx xx přidá jako xxxxxxxxx xxxxxxx mililitrů xxxxxxx xxxxxx (4.5) x xxxxxxxxx xx x titraci xx xx xxxxxxxx xxxxxxx xxxxxxxx.
Xxxxxxx xx slepý xxxxx x 25 xx vody xxxxx 25 ml xxxxxxxxx xxxxxxx (6.2.2).
7. Vyjádření xxxxxxxx
7.1 Vzorec x xxxxxx výpočtu
Z níže xxxxxxx xxxxxxx xx xxxxxx (případně xx xxxxxxx xxxxxxxxxxx) hmotnost xxxxxxx nebo xxxxxxxxxx xxxxx v mg, xxxxxxxxxxxx xxxxxxx xxxx xxxxx xxxxxxxxxx xxxxxxxxxx, xxxxxxxxxxx x ml xxxxxxx xxxxxxxxxx sodného x xxxxxxxxxxx 0,1 xxx/x.
Xxxxxxxx xx vyjádří x xxxxxxxxxx (x/x) xxxxxxxxxx xxxxx nebo X-xxxxxxx, vztažených xx xxxxxx.
7.2 Xxxxxxxxxxxxxx
Xxxxxx xxxx xxxxxxxx xxxx xxxxxxxxx xxxxxxxxxxx xxxxxxx xxxx xxxxxx za xxxxx x xxxxx xxxxxx xxxxxx xxxxxxxxxxx xx xxxxxxxxx podmínek xxxxx xxx xxxxx xxx 0,2 xx.
8. Xxxxxxxx
Xxxx xxxxxxxxxx xxxxxxxxx sírovou xx xxxx xxxxxx xxxx množství xxxxxxxxxxxx (4.9), xxx se xxxxxxx xxxxxx pěny.
Tabulka xxxxxx xxx Luffovo – Xxxxxxxxxx xxxxxxx
0,1 xxx/x Xx2X2X3 |
Xxxxxxx, xxxxxxxx, xxxxxxxx cukr 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 xxxxx Lanea x Xxxxxx – xxxxxxxxxx x konstantním xxxxxxx)
1. Xxxxxxx x xxxxxx xxxxxxx
Xxxxxx xxxxxx xx xxxxxxxxx xxxxxxxxxxxx xxxxx vyjádřených xxxx xxxxxxxx xxxx
- x xxxxxxx xxxxx,
- x xxxxxxx cukru bílém,
- x xxxxxxx invertním xxxxx,
- x xxxxxxx xxxxx xxxxxxxxx cukru,
- x xxxxxx z xxxxxxxxxx xxxxx,
- x xxxxxx x xxxxxxxxxx xxxxx bílého.
2. Xxxxxxxx
"Xxxxxxxxxx xxxxx vyjádřené xxxx xxxxxxxx cukr": obsah xxxxxxxxxxxx xxxxx stanovený xxxxxxxx xxxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxxxx xxxxxxxxxx xxxxxx xx xxxxxxx za xxxx xxxx xxxxxx xxxxxxxx Xxxxxxxxxx roztoku x xxxxxxxx xxxxxxxxxxx xxxxx jako xxxxxxxxxx.
4. Xxxxxxx xxxxxxx
4.1 Fehlingův xxxxxx:
4.1.1 Xxxxxx A:
69,3 x xxxxxx xxxxxxxxx xxxxxxxxxxxx (CuSO4·5H2O) se xxxxxxxx xx xxxx x doplní xx xx 1000 ml.
4.1.2 Xxxxxx X:
346,0 g xxxxxx sodnodraselného xxxxxxxxxxxx (XXxX4X4X6·4X2X) x 100 x xxxxxxxxx xxxxxxx xx rozpustí ve xxxx a doplní xx 1000 ml. Xxxx xxxxxx se xxxxxx xxxxxxxxx od xxxxxxxxx, xxxxx se xxxx xxxxx xxxxxxxx.
Xxxxxxxx:
Xxxx xxx roztoky je xxxxx xxxxxxxxx x xxxxxxx xxxx jantarově xxxxxxxxxx xxxxxxx.
4.2 Roztok xxxxxxxxx xxxxxxx, 1 xxx/x.
4.3 Xxxxxxxxxx roztok xxxxxxxxxx xxxxx: 23,750 x xxxxx xxxxxxxxx xx xxxxxxxx xxx xx 120 xx xxxx xx 250xxxxxxxxxxx xxxxxxx xxxxx, přidá xx 9 xx xxxxxxxx chlorovodíkové (xxxxxxx 1,16 x/xx) x xxxxx xx stát xxx laboratorní teplotě xx xxxx 8 xxx. Xxxxxx xx xxxxxx xx 250 xx x xxxxxxxx xxxxxxxxx xx zkontroluje xxxxxxxxxxxx nebo xxxxxxxxxxxxx xxxxxx xxxxxxx xxxxx 200 xx. Xxxxxxxx xxxxxxx se xx xxxxxx 11,80 ± 0,05 °X (xxx xxxxxxxx 8). 200 xx xxxxxx xxxxxxx xx odpipetuje do 2000xxxxxxxxxxx xxxxxxx xxxxx, xxxxx se vodou x xx stálého xxxxxxxxxxxx (aby xxxxxxx x xxxxxxxxxx xxxxxxxx xxxxxxxxxxxxx xxxxxxx) xx xxxxx 71,4 xx xxxxxxx xxxxxxxxx xxxxxxx x xxxxxxxxxxx 1 xxx/x (4.2), ve xxxxxx xxxx xxxxxxxxxx 4 x xxxxxxxx xxxxxxxx. Xxxxx se xxxxxx xx 2000 xx, aby xxxxxxxx xxxxxx obsahoval 1 x invertního xxxxx xx 100 xx. Xxxxxxx xX roztoku xx xxx xxxxxxxxx xxxxx 3.
Xxxxx xxxxxxxx xxxxxxx roztok by xx měl xxxxx xx xxxxx před xxxxxxxx.
Xxx xxxxxxxx xxxxxxx xxxxxxxxxx xxxxx x xxxxxxxxxxx 0,25 x/100 xx xx 250xx xxxxxxx baňka naplní xx rysku zásobním xxxxxxxx x xxxxxxxxxxx 1 x/100 ml xxx 20 °X. Xxxxx se 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 xxxxxxx
5.1 Xxxxx xxxxx x xxxxx xxxxxx x xxxxxx 500 xx.
5.2 Xxxxxx x objemu 50 ml, dělená xx 0,05 xx, x xxxxxxxxxx kohoutem.
5.3 Xxxxxx x xxxxxxx xx 20, 25 x 50 xx.
5.4 Xxxxxxx baňky o xxxxxx 250, 1000 x 2000 xx.
5.5 Xxxxxxxx x xxxxxx, xxxxxx xxx xxxxxxxxx xxxx xx xxxxxxxx xxxxxxxxx x xxxx 6.1 a umožňující xxxxxxxx xxxxxxxx xxxxx x xxxxxxxx xxxx, xxxx xx se xxxxx xxxxx (5.1) xxxxxx přemístit xx xxxxxx xxxxx.
5.6 Xxxxxx xxxxxxxxx s xxxxxxxxx xxxxxxx na 1 xxxxxxx.
6. Xxxxxx
6.1 Xxxxxxxxx xxxxx Xxxxxxxxxx roztoku
6.1.1 Xx čisté x xxxxx xxxxxxx se xxxxxxxxxx 50 xx xxxxxxx X (4.1.2), xxxx 50 xx xxxxxxx X (4.1.1) x xxxxx xx xxxxxxxx.
6.1.2 Xxxxxx xx xxxxxxxxxx x xxxxxx 0,25 % (0,25 x/100 xx) xxxxxxxxxxx xxxxxxxx xxxxxxxxxx cukru (4.3).
6.1.3 Do 500 xx varné baňky (5.1) xx xxxxxxxxxx xxxxxxxxx xxxxx 20 xx xxxxxxxx xxxxxxx X x X (6.1.1) a xxxxxxx xx 15 ml xxxx. X xxxxxx xx xx baňky xxxxxx 39 xx xxxxxxx invertního xxxxx, xxxxx se několik xxxxxxx kamínků x xxxxx se xxxxxx xxxxxxxxx xxxxxxx xxxxxxxx.
6.1.4 Xxxxx baňky xx xxxxxxx k xxxx x xxxxx se xxxxx xxxxxx xxx xxxxxx. Xxxxx xxxxxxx xxxxxxx se xxxxx xxxxx xxxxxxx ze xxxxxx xxxxx x xxxxx dojít x xxxxxxxxx xxxx.
Xx xxxxx xxxxxxxxxxxxxx xxxx xx xxxxxxx tři xxxx xxxxx kapky roztoku xxxxxxxxxxx xxxxx (4.4). Xxxxx roztoku musí xxx xxxxxxx modrá.
6.1.5 Xxxxxxxxx xx x xxxxxxxxx xxxxxxxxxxxx xxxxxxx xxxxxxxxxx xxxxx x xxxxxx, xxxxxxxx po 0,2 ml, xxx xx 0,1 xx x xxxxxxx xx xxxxxxx, xx xx xxxxxxx xxxxxxxxx xxxx. Xxx xx xxxxxxxxx xxxxxxxxx modrého xxxxxxxx xxxxxxxx xxxxxxxxxxx modři. Xxxxx xxxxxxx je xxxxxxxxxxx následkem xxxxxxxxxxx xxxxxxxx oxidu xxxxxxx.
6.1.6 Xxxxxxxxx xxxx xxxxxxx xx xxxx xxx xxxxxxxx xx xxx xxxxx xx xxxxxxx xxxx roztoku. Xxxxxxx xxxxxxxx V0 xx xxxx pohybovat v xxxxxxx 39,0 xx 41,0 xx. Xx-xx xxxxxxx V0 xxxx xxxxxxx xxxxxx rozmezí, xxxxxx xx koncentrace xxxx xx Xxxxxxxxxx xxxxxxx X (4.1.1) x xxxxxxxxx xxxxx xx xxxxxxx.
6.2 Příprava xxxxxxx xxxxxx
Xxxxxxxxxxx roztoku xxxxxxxxxx xxxxxx xx xx pohybovat x xxxxxxx 250 xx 400 mg invertního xxxxx xx 100 xx.
6.3 Xxxxxxxxxx xxxxxxx
6.3.1 Xx xxxxx xxxxxxx xxxxxxxxxx xxxxxxx ke xxxxxxxx xxxxxxxxxx přídavku xxxx x 20 xx směsného xxxxxxx X x X, xxxxx zajistí, že xxxxxxx xxxxx po xxxxxxx bude činit 75 xx.
Xxxxxxxxx xx xxxxxx xxxxx návodu x xxxx 6.1.4, xxxxx místo standardního xxxxxxx xxxxxxxxxx xxxxx xx xxxxxxx xxxxxx xxxxxx, tj. xx xxxxx xx xxxxxxx xxxxxx 25 xx xxxxxxx vzorku, xxxxx xx 15 xx xxxx, xxxxx se 2 xxxxxx povařit x xxxxxx se xxx xxxxxxx až xx xxxxxxxx xxxxxxxxx xxxx, xxx je xxxxxxx v xxxx 6.1.5.
6.3.2 Pokud xx xxxxxxxx roztoku xxxxxxxxxxx xxxxx přetrvává xxxxxxxxxxx xxxxxxxx, xx xxxxxxx xxxxxx vzorku xxxxxx xxxxxxxxxxxxx. V tomto xxxxxxx se xxxxxxx xxxxxxx x xxxxxxx xx xxxxxxxxx stanovení x nižší xxxxxxxxxxx xxxxxxx vzorku.
Je-li x xxxxxxxx načervenalého xxxxxxxx xxxxxxxxx xxxx xxx 50 xx roztoku xxxxxx, xxxx se xxxxxx roztok vzorku x xxxxx koncentrací.
Množství xxxx, které xx xx xxxxxx, se xxxxxxxx xxxxxxxxx objemu xxxxxxxx Xxxxxxxxxx xxxxxxx (20 xx) x xxxxxx xxxxxxx vzorku xx 75 xx.
6.4 Xxxxxxx xxxxxxx xxxxxxx xxxxxx
6.4.1 Xx xxxxx xxxxx se xxxxxxxxxx 20 xx xxxxxxxx Xxxxxxxxxx roztoku x xxxxxxxx vody xxxxxxxxx xxxxx xxxx 6.3.
6.4.2 X xxxxxx se xxxxxx xxxxxx xxxxxx x xxxxxxxx xxxxxxxxxx xxxxx bodu 6.3, xxxxxxxx x 1 xx. Přidá se xxxxxxx varných xxxxxxx, xxxxx xxxxx xx xxxxxxxxx xxxxxxx xxxxxxxx, xxxxxx x xxxxxxx xxxxx předchozího xxxxx (6.3). Konečného xxxx xxxxxxx xxxx xxx xxxxxxxx xxxxx xxxxxx xx přidání xxxxxxx xxxxxxxxxxx xxxxx. Xxxxxxxx xxx xxxxxxx xxxxxxx xx rovná X1.
7. Xxxxxxxxx výsledků
7.1 Vzorec x postup xxxxxxx
Xxxxx xxxxxxxxxxxx xxxxx xx xxxxxx xxxxxxxxx xxxx xxxxxxxx xxxx xx xxxxxxxx xxxxx xxxxxx:
xxx:
X = koncentrace roztoku xxxxxxxxxx xxxxxx (g/100 xx),
X0 = xxxxxxxx xxxxxxxxxxxx roztoku xxxxxxxxxx xxxxx (xx) xxx xxxxxxxxx titru,
V1 = xxxxxxxx roztoku xxxxxxxxxx xxxxxx (xx) při xxxxxx xxxxxxx (6.4.2),
f = korekční faktor xxxxxxxxxxxx xxxxxxxxxxx sacharosy xxxxxxxx x xxxxxxx xxxxxxxxxx vzorku; hodnoty xxxx xxxxxxx x xxxx xxxxxxx tabulce:
Sacharosa (x ve xxxxx xxxxxxx do xxxx) |
Xxxxxxxx xxxxxx x |
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 |
Xxxxxxx xxx xxxx xxxxxxxx sacharosy x xxxxxxx xxxxxxxxxx xxxxxx xx mohou xxxxxxxxx x xxxxxxxxxxx xxxxxx interpolací.
Poznámka:
Přibližná koncentrace xxxxxxxxx se xxxx xxxxxxxx xxxxxxxxx xxxxxxxxxxx xxxxxxxxxxxx pevných látek x xxxxxxxxxx xxxxx (xxx tento výpočet xx xxxxxxx xxxxxxx x xxxxx 1,0) xx koncentrace xxxxxxxxx xxxxxxxxxxxx látek xxxxxxxxxxx xxxx xxxxxxxxx x xxxxxxxxxxx xx xxxxxxx xxxxxx xxxx xxxxx xxxxxx 3 xxxxxx xxxxxxxx.
7.2 Opakovatelnost
Rozdíl xxxx xxxxxxxx xxxx stanovení xxxxxxxxxxx zároveň nebo xxxxxx xx xxxxx x xxxxx xxxxxx xxxxxx xxxxxxxxxxx za xxxxxxxxx podmínek xxxxx xxx větší xxx 1,0 % jejich xxxxxxxxxxxxx xxxxxxx.
8. Poznámka
Při xxxxxxx xxxxxxx ve °X xx polarimetrické xxxxxx stupně se xxxx hodnota xxxxx x xxxxxxxxxx °X xxxx faktorem 2,889 (xxxxxxxxxxxxxx xxxxxxx x xxxxx 200 xx; xxxxxxxx xxxxxxx xxxx xxxxxxxx xxxxx; xxxxxxxx xxxxxxxx x xxxxxxxxx, xx které xx xxxxx udržovat xxxxxxx xxxxxxx 20 °C).
METODA 8
XXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXX
(Xxxxxx xxxxx Xxxxx a Xxxxxx x xxxxxxxxxxx xxxxxx)
1. Xxxxxxx a xxxxxx xxxxxxx
Xxxx metoda xxxxxx xx xxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxx
- xx xxxxxxxxx xxxxxx,
- x xxxxxxx xxxxxxxxx sirupu,
- x xxxxxxxx xxxxxxxxxxx,
- x xxxxxxxx bezvodé.
2. Xxxxxxxx
2.1 "Xxxxxxxx síla": xxxxx redukujících xxxxx xxxxxxxxx popsanou xxxxxxx, xxxxxxxxx jako bezvodá xxxxxxxx (X-xxxxxxx) a xxxxxxxxx x procentech xxxxxxxxx xxxxxx.
2.2 "Xxxxxxxxxx xxxxxxxxxx": xxxxxxxx xxxx xxxxxxxxx x xxxxxxxxxx xxxxxxxxx sušiny xxxxxx.
3. Xxxxxxxx xxxxxx
Xxxxxxxx zkušebního xxxxxx xx za xxxxxx xxxxxxxx xxxxxxxx xxxxxxx xx xxxx xxxx určitý objem xxxxxxxx Xxxxxxxxxx xxxxxxx x použitím xxxxxxxxxxx xxxxx jako xxxxxxxxxx.
4. Xxxxxxx xxxxxxx
4.1 Xxxxxxxxx xxxxxx:
4.1.1 Xxxxxx A:
Ve xxxx xx xxxxxxxx 69,3 g síranu xxxxxxxxx xxxxxxxxxxxx (XxXX4·5X2X) x x xxxxxxx xxxxx o xxxxxx 1000 xx xx xxxxxx po xxxxx.
4.1.2 Xxxxxx X:
Xx vodě xx rozpustí 346,0 x vinanu xxxxx-xxxxxxxxxx xxxxxxxxxxxx (XXxX4X4X6·4X2X) x 100 x xxxxxxxxx xxxxxxx x v xxxxxxx baňce x xxxxxx 1000 ml xxxxxx xxxxx xx xxxxx. Xxxx xxxxxx xx xxxxxxxxx xxxxxx xx xxxxxxxxx, xxxxx xx xxxx někdy xxxxxxxx.
Xxxxxxxx:
Xxxx dva xxxxxxx (4.1.1 x 4.1.2) xx třeba xxxxxxxxx x xxxxxxx nebo xxxxxxxxx xxxxxxxxxx xxxxxxx.
4.1.3 Xxxxxxxx xxxxxxxx Fehlingova xxxxxxx
Xx xxxxx xxxxxxx xx xxxxxxxxxx 50 xx roztoku X (4.1.2) a xxxx 50 xx xxxxxxx X (4.1.1) x xxxxx xx xxxxxxxxxx.
Xxxxxxxx:
Xxxxxx Xxxxxxxxx roztok se xxxxx xxxxxxxxx, nýbrž xx xxxx xxxxx xxx xxxxxxxxxxx čerstvý x xxxxxxxxxxxxxxx (6.1).
4.2 Xxxxxxx xxxxxxxx (D-glukosa) (X6X12X6)
Xxxxx xxxxxxxx je xxxxx před použitím 4 hodiny sušit xx xxxxxxx xxxxxxx xxx xxxxxxx 100 ± 1 °X xxxx nižší a xxx tlaku xxx 10 xXx (103 xxxx).
4.3 Standardní roztok xxxxxxxx, 0,600 g/100 xx
X xxxxxxxxx na 0,1 xx xx xxxxxx 0,6 g xxxxxxx xxxxxxxx (4.2), xxxxxxxx xx xx xxxx, kvantitativně xxxxxxx xx xxxxxxx xxxxx x xxxxxx 100 xx (5.4), xxxxxx xxxxx xx xxxxx x xxxxxxxx.
Xxxxx xxxxxx xx nutno připravit xxxxxxx xx xxxxx xxx, xxx bude xxxxxxxx.
4.4 Xxxxxx xxxxxxxxxxx xxxxx, 0,1 g/100 xx xxxx
Xxxxxxxx xx 0,1 g methylenové xxxxx xx 100 xx xxxx.
5. Xxxxxxxxx x pomůcky
5.1 Varné xxxxx s úzkým xxxxxx x objemu 250 xx.
5.2 Xxxxxx x xxxxxx 50 xx, x postranním xxxxxxxx x xxxxxx xx 0,05 ml.
5.3 Xxxxxx xxxxxxxx x xxxxxxx 25 ml x 50 xx.
5.4 Xxxxxxx baňky x xxxxxx 100 x 500 ml.
5.5 Zařízení x xxxxxx, xxxxxx xxx xxxxxxxxx xxxx x xxxxxxx x xxxxxxxxxx xxxxxxxxx v xxxx 6.1 a xxxxxxxxxx xxxxxxxx xxxxxxxx xxxxx x xxxxxxxx xxxx xxx xxxxxxxx xxxxxxx varnou xxxxx (5.1) ze xxxxxx xxxxx (xxx bod 6.1 xxxxxxxx 3).
5.6 Xxxxxx ukazující x xxxxxxxxx xxxxxxx na 1 xxxxxxx.
6. Xxxxxx
6.1 Xxxxxxxxxxxxx Xxxxxxxxxx xxxxxxx
6.1.1 Xx xxxxx xxxxx xxxxx baňky (5.1) xx xxxxxxxxxx 25 xx Fehlingova roztoku (4.1.3).
6.1.2 Xxxxxx (5.2) xx xxxxxx standardním xxxxxxxx dextrosy (4.3) x meniskus xx xxxxxxx xx xxxxxxx xxxxx.
6.1.3 Do varné xxxxx (5.1) xx x byrety napustí 18 ml xxxxxxxxxxxx xxxxxxx dextrosy (4.3) x xxxxx xx xxxxxxxxx pohybem xxxxxxxx.
6.1.4 Xxxxx baňka xx xxxxxx xx xxxxxxxx x xxxxxx (5.5), xxxxxx nastavené xxx, xxx xxx xxxxxx xx 120 ± 15 xxxxxx.
X xxxxx xxxxxxx xxxxxxx xxxxx xxx zařízení x xxxxxx nastavováno xxxxx (xxx poznámka 1).
6.1.5 Xxxxxxx xx roztok xxxxx xxxxx, xxxxxx xx xxxxxx od xxxx.
6.1.6 Obsah xxxxx xx povaří 120 xxxxxx (xxxxx xxxxxx).
Xx xxxxx xx xxxxx 1 xx xxxxxxx xxxxxxxxxxx xxxxx (4.4).
6.1.7 Xx 120 xxxxxxxxx (xxxxx xxxxxx) xx xxxxxxx varu xx xxxxx x xxxxxx (6.1.2) do xxxxx xxxxx (5.1) xxxxxxxx xxxxxxxxxx roztok xxxxxxxx xx 0,5xx xxxxxxx, xxxxx xx methylenová xxxx neodbarví (xxx xxxxxxxx 2 x 3).
Xxxxxxxxx xx xxxxxxx xxxxx přidaného standardního xxxxxxx xxxxxxxx (X xx) xxxxxx xxxxxxxxxxxx 0,5xx xxxxx.
6.1.8 Xxxxx x xxxxxx 6.1.1 x 6.1.2 xx 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 xxxxxx 6.1.4, 6.1.5 x 6.1.6 xx xxxxxxxx.
6.1.11 Xx 120 xxxxxxxxx (xxxxx stopek) od xxxxxxx xxxx se xxxxx z byrety xx xxxxx xxxxx (5.1) xxxxxxxx xxxxxxxxxx xxxxxx dextrosy, xxxxxxxx xx 0,2xx dávkách x nakonec xx xxxxxxx, xxxxx se xxxxxxxxxxx modř právě xxxxxxxxx.
Xx xxxxx tohoto xxxxxxx musí xxx xxxx xxxx dvěma xx xxxx xxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxx roztoku xxxxxxxx 10 xx 15 xxxxxx.
Xxxx přidávání xxxx xxx xxxxxxxxx xxxxx 60 sekund x celková doba xxxx xxxx xxxxx xxxxxxxxx 180 sekund.
K xxxxxx xxxxx xxxx xxx xxxxxxxxx provést xxxxx titraci x xxxxxxx větší, xxxxxxxxx xxxxxxxxx xxxxxxxxx xxxxxx xxxxxxxxxxxx roztoku dextrosy (6.1.9).
6.1.12 Xxxxxxxxx xx xxxxxxx spotřeba (V0 xx) standardního xxxxxxx xxx závěrečné xxxxxxx (xxx poznámka 4).
6.1.13 Xxxxxxx V0 xxxx xxx x rozmezí 19,0 xx 21,0 xx standardního xxxxxxx xxxxxxxx (4.3).
Xxxxx xx xxxxxxx X0 xxxxxxx xxxx toto xxxxxxx, xxxxxxxxx xx xxxxxx xxxxxxxxxxx Xxxxxxxxxx roztoku X (4.1.1) a xxxxxxxxxxxxxx xxxxxx se xxxxxxxx.
6.1.14 Xxxxxxxx k xxxx, xx xxxxxxx X0 xx přesně xxxxx, xx xxxxx xxx xxxxxxxxxx xxxxxxxxxxxxx xxxxxxx xxxxx titraci x xxxxxxxxxx přídavkem xxxxxxxxxxxx roztoku xxxxxxxx X0 – 0,5.
Poznámka 1:
Xxxxx xx xxxxxxxxx, xx xxxxxxx nastane xxx, xxxxxxxx xxxx xx xxxxxx x xxxxxxxxxxx během xxxx xxxxxxxx procedury x x co největší xxxx se zabrání xxxxxxxx xxxxxxx do xxxxxxxx xxxxx a xxxxxxxx xxxxxxxx oxidaci xxxxxx xxxxxx.
Xxxxxxxx 2:
Xxxxxxxxx xxxxxxx methylenové xxxxx xx nejlépe pozorovatelné x horních vrstvách xxxxxx titrační xxxxx x v xxxxxxx xxxxxxx, tj. x xxxxxxx, které x xxxxxxxx xxxxxxxxxx sražený xxxxxxx xxxx xxxxxxx. Xxxxxxxxx je xxxxxxxx xxxxxxxxxxxxx xx xxxxxxxxx xxxxxxxxx. Xx xxxxxxx xxxxxx stínítko xx xxxxxxxx xxxxxx.
Xxxxxxxx 3:
Byreta xx měla být xxxxx stanovení co xxxxxxx xxxxxxxx xxxx xxxxxxx xxxxx.
Xxxxxxxx 4:
Xxxxxxxx x tomu, xx xxxxx xxxxx xxxxxxxx xxxxxxxxxxx xxxxxx, musí xxxxx xxxxxxxxx xxxxxxxx xxxx xxxxxxx xxxxxxxxxxxxxx xxxxxxx x při xxxxxxx xxxx xxxxxx xxxx xxxxxxx xxxxxxx X0 (7.1).
6.2 Orientační xxxxxxx připraveného xxxxxx
6.2.1 Xxxxx není xxxxx xxxxxxxxx hodnota xxxxxxxx xxxx (2.1) připraveného xxxxxx, xx nutno xxxxxxx předběžnou xxxxxxx, xxx xx xxxxxxx xxxx xxxxxxxxx hodnota, x xxxxx xxx xxx xxxxxxxxx hmotnost xxxxxxxxxx xxxxxx (6.3).
Tato xxxxxxx xx xxxxxxx xxxxx:
6.2.2 Xxxxxxxx xx X % (x/X) xxxxxx vzorku, "Z" xx přibližnou xxxxxxx.
6.2.3 Xxxxxxxxx se jako x bodě 6.1.2 x xxxxxxxx xxxxxxx xxxxxx (6.2.2) namísto xxxxxxxxxxxx roztoku xxxxxxxx.
6.2.4 Xxxxxxxxx se xxxx x bodě 6.1.1.
6.2.5 Xxxxxxxxx xx xxxx x bodě 6.1.3 x použitím 10 xx roztoku xxxxxx xxxxxxx 18,0 xx xxxxxxxxxxxx roztoku 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 xxxxxxxxxxx xxxxx (4.4).
6.2.8 Xxxxxxx xxxxxxx xxx, xxxxxx xx stopky (5.6) xx nuly x xxxxx přidávání xxxxxxx xxxxxx x xxxxxx xx xxxxx xx 1,0 ml xxxxxxx x odstupem xxx 10 xxxxxx, a xx xx xx xxxxxxxxx xxxxxxxxxxx modři.
Zaznamená xx xxxxxxx spotřeba xxxxxxxxxxxx xxxxxxx xxxxxxxx (X xx) xxxxxx xxxxxxxxxxxx 0,5 ml xxxxx.
6.2.9 Xxxxxxx "X" xxxxx přesáhnout 50 xx. Xxxxx k xxxx xxxxx, xx xxxxx zvýšit xxxxxxxxxxx xxxxxxx xxxxxx a xxxxxxx xxxxxxxxx.
6.2.10 Přibližná xxxxxxx xxxxxxxx xxxx xxxxxxxxxxxx vzorku je xxxxxxxxx dána výrazem (x %):
6.3 Zkušební xxxxxx
X xxxxxxxxx xx 0,1 xx xx xxxxxx takové xxxxxxxx xxxxxxxxxxxx xxxxxx (xx), xxxxx xxxxxxxx 2,85 xx 3,15 x xxxxxxxxxxxx xxxxx xxxxxxxxxxx xxxx bezvodá xxxxxxxx (Xxxxxxxx). Při xxxxxxx xx použije xxx xxxxx přibližná xxxxxxx xxxxxxxx xxxx (2.1), xxxx xxxxxxxxx hodnota xxxxxxx v xxxx 6.2.10.
6.4 Xxxxxxxx xxxxxx
Xxxxxxxx xxxxxx xx v xxxxxxx baňce o xxxxxx 500 ml xxxxxxxx ve xxxx x vodou xxxxxx xx xxxxx.
6.5 Xxxxxxxxx
6.5.1 Xxxxxxxxx xx xxxx x xxxx 6.1.1.
6.5.2 Xxxxxx (5.2) se xxxxxx xxxxxxxx xxxxxxxx (6.4) a meniskus xx xxxxxxx xx xxxx.
6.5.3 Z xxxxxx xx xx xxxxx xxxxx xxxxxxx 18,5 xx xxxxxxx xxxxxxxxxx xxxxxxx. Xxxxxxx xx xxxxx xxxxx xxxxxxx.
6.5.4 Xxxxxxxxx xx xxxx x bodě 6.1.4.
6.5.5 Xxxxxxxxx xx jako x xxxx 6.1.5.
6.5.6 Xxxxxxxxx se xxxx x bodě 6.1.6.
6.5.7 Xxxxxxxxx xx xxxx x bodě 6.1.7, x xxxxxxxx xxxxxxxxxx xxxxxxx xxxxxxx standardního xxxxxxx dextrosy.
6.5.8 Xxxxxxxxx xx jako x xxxx 6.1.8.
6.5.9 Xxxxxxxxx xx xxxx v xxxx 6.1.9, x xxxxxxxx zkušebního xxxxxxx xxxxxxx xxxxxxxxxxxx xxxxxxx xxxxxxxx.
6.5.10 Xxxxxxxxx se xxxx x xxxx 6.1.10.
6.5.11 Postupuje xx xxxx x xxxx 6.1.11, s xxxxxxxx xxxxxxxxxx roztoku namísto xxxxxxxxxxxx xxxxxxx xxxxxxxx.
6.5.12 Xxxxxxxxx se xxxxx (X1) spotřebovaného xxxxxxxxxx xxxxxxx xxx xxxxxxxxx xxxxxxx.
6.5.13 Hodnota V1 xxxx být x xxxxxxx 19,0 xx 21,0 xx xxxxxxxxxx xxxxxxx.
Xxxxx xx xxxxxxx X1 xxxxxxx xxxx xxxx xxxxxxx, upraví xx xxxxxxxxxxx xxxxxxxxxx xxxxxxx x xxxxx 6.5.1 xx 6.5.12 xx xxxxxxxx.
6.5.14 Xxxxxxxx xx xxx xxxxxxxxx x xxxxxxxx xxxxx xxxxxxxxxx xxxxxxx.
6.6 Xxxxx xxxxxx
Xxxxxx metody 2 xx xxxxxxx xxxxx xxxxxx xxxxxxxxxxxx xxxxxx.
7. Xxxxxxxxx výsledků
7.1 Xxxxxx x xxxxxx xxxxxxx
7.1.1 Xxxxxxxx xxxx
Xxxxxxxx xxxx xxxxxxxxx x xxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxxx xxxxxx xx xxxx výrazem:
kde
V0 = xxxxx (xx) xxxxxxxxxxxx xxxxxxx xxxxxxxx (4.3) xxxxxxxxxxxx při xxxxxxxxxxxxxx xxxxxxx (6.1),
V1 = objem (xx) xxxxxxxxxx xxxxxxx (6.4) xxxxxxxxxxxxxx xxx titraci x postupu stanovení (6.5),
X = xxxxxxxx xxxxxxxxxx vzorku (x) (6.3) xxxxxxxxx k xxxxxxxx 500 ml xxxxxxxxxx xxxxxxx.
7.1.2 Dextrosový xxxxxxxxxx
Xxxxxxxxxx ekvivalent xxxxxxxxx x procentech xxxxxxxxx xxxxxx xxxxxxxxxxxx vzorku xx xxx xxxxxxx:
xxx
XX = xxxxxxxx xxxx xxxxxxxxx x xxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxxx vzorku (7.1.1),
X = xxxxx xxxxxx připraveného vzorku x procentech xxxxxxxxxxxx.
7.1.3 Xxxxxxxxx xx xxxxxxxxxxx xxxxxx xxxxxxxx xxxx xxxxxxxxx xx xxxxxxxxxxx, xx xx xxxxxx xxxxxxxxx kladený na xxxxxxxxxxxxxx (7.2).
7.2 Xxxxxxxxxxxxxx
Xxxxxx xxxx výsledky xxxx xxxxxxxxx xxxxxxxxxxx zároveň xxxx rychle xx xxxxx x xxxxx xxxxxx xxxxxx xxxxxxxxxxx xx totožných xxxxxxxx xxxxx být xxxxx xxx 1,0 % xxxxxx xxxxxxxxxxxxx průměru.
METODA 9
XXXXXXXXX SÍRANOVÉHO XXXXXX
1. Xxxxxxx a xxxxxx xxxxxxx
Xxxxxx xxxxxx ke xxxxxxxxx xxxxxx síranového xxxxxx
- xx škrobovém xxxxxx,
- x sušeném xxxxxxxxx sirupu,
- v xxxxxxxx xxxxxxxxxxx,
- v xxxxxxxx xxxxxxx.
2. Xxxxxxxx
"Xxxxx xxxxxxxxxx popela": obsah xxxxxxxxxx popela stanovený xxxxxxxx xxxxxxx.
3. Podstata xxxxxx
Xx zpopelnění xxxxxxx xxxxxxxxxx xxxxxx v xxxxxxxx xxxxxxxxx xxx 525 °X xx xxxxxxxxxxx xxxxxxxx xxxxxx xx xxxxxxxxx jeho xxxxxxxx xxxxxxxx x xx xxxxxxxxx x xxxxxxxxxx hmotnostních vzorku.
4. Xxxxxxx xxxxxxx
4.1 Kyselina xxxxxx, xxxxxxx roztok: xxxxxx x xxxxxxx xx přidává 100 xx xxxxxxxxxxxxx xxxxxxxx xxxxxx (xxxxxxx při 20 °X = 1,84 x/xx; 96 % x/x) do 300 xx vody xx xxxxxxxxxx xxxxxxx x xxxxxxxx.
5. Xxxxxxxxx x xxxxxxx
5.1 Elektrická xxxxxxx xxx, xxxxxxxx xxxxxxxxxx x umožňující xxxxxx xxx xxxxxxx 525 ± 25 °X.
5.2 Xxxxxxxxxx xxxx, xxxxxx s přesností xx 0,1 xx.
5.3 Xxxxxxx xxx stanovení xxxxxx, xxxxxxxxx xx xxxxxxxx, vhodného xxxxxx.
5.4 Xxxxxxxxx xxxxxxxxxx čerstvě xxxxxxxxxx silikagel xxxx xxxxxxxxxxxx xxxxxxxxxx x xxxxxxxxxxx obsahu vlhkosti.
6. Xxxxxx
Xxxxxxx (5.3) se xxxxxx na xxxxxxxxxxxx xxxxxxx, xxxxxxx xx x exsikátoru xxxxxxxxxxx x xxxxx se. Xx xxxxxxx se xxxxxx (xx 0,1 xx) xxxxxx 5 x škrobového xxxxxx xxxx xxxxxxxx xxxxxxxxxx xxxxxx, xxxxxxxx 10 x dextrosy xxxxxxxxxxx xxxx xxxxxxxx bezvodé.
Přidá xx 5 xx xxxxxxx kyseliny sírové (4.1) (xxx xxxxxxxx 8.1) a vzorek xx x xxxxxxx xxxxxxx zahřívá nad xxxxxxxx nebo xx xxxxx xxxxxxxx xxx xxxxxx, xxxxx xxxxx xxxxxxxxxxx. Xxxxxxxxxxx, během xxxxx xxxxxxxxxx xxxxxx xx xxxxxx (xxx xxxxxxxx 8.2), xx xxxx xxxxxxxx x xxxxxxxxx.
Xxxxxxx (5.3) xx xxxxxx xx xxxxxxx xxxx (5.1), xxxxxxxxxx xx 525 ± 25 °X, a xxxxxxx se v xx, xxxxx nevznikne xxxx popel. Xx xxxxxxx trvá dvě xxxxxx (xxx xxxxxxxx 8.3).
Xxxxxx xx xxxxx xxx 30 xxxxx xxxxxxxxxxx v exsikátoru (5.4) x xxxx xx xxxxx.
7. Xxxxxxxxx xxxxxxxx
7.1 Xxxxxx x xxxxxx výpočtu
Obsah xxxxxxxxxx xxxxxx xxxxxxxxx x xxxxxxxxxx hmotnostních xxxxxx xxxxxxxx k analýze xx xxx vzorcem:
kde
m1 = xxxxxxxx xxxxxx (x),
x0 = xxxxxxxx xxxxxxx zkušebního vzorku (x).
7.2 Xxxxxxxxxxxxxx
Xxxxxx xxxx xxxxxxxx xxxx stanovení xxxxxxxxxxx xxxxxxx nebo xxxxxx xx xxxxx x xxxxx vzorku xxxxxx xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx nesmí xxx xxxxx než 2,0 % xxxxxx xxxxxxxxxxxxx xxxxxxx.
8. Xxxxxxxx
8.1 Xxxxxxxx xxxxxx xx xxxxxxx xx malých xxxxxxx, aby xx xxxxxxxxx xxxxxxxxxx xxxxxx.
8.2 Xxx xxxxxx zuhelňování xx xxxxx postupovat xxxxxxxx obezřetně, xxx xxxxxxx ke xxxxxxx xxxxxx xxxx xxxxxx xxxxx xxxxxxxxxx xxxxxxxx xxxxxx.
8.3 Pokud xx xxxxxxx xxxxxxxxx xxxxxxx xxxxxxxxxx (tj. xxxxxxxxx xxxxx xxxxxxx), xxxxxxx xx třeba x xxxxxxx xxxx vyjmout, xxxxxx xx ochlazení xxxxxxx xxxxxxxx xxxxxxx xxxx x opět xxxxxx xx xxxx.
XXXXXX 10
XXXXXXXXX XXXXXXXXXX
1. Xxxxxxx x oblast xxxxxxx
Xxxxxx xxxxxx xx xxxxxxxxx xxxxxxxxxx
- x xxxxx xxxxxxxxx,
- x xxxxx xxxx x xxxxx xxxxx,
- v cukru xxxxx xxxxx.
2. Xxxxxxxx
Xxxxxxxxxx xx rozumí xxxxxxxxx xxxxxxxxx roztoku xxxxxxxxxxxx 26 x xxxxx xx 100 xx, xxxxx xx uzavřen x xxxxxxx o xxxxx 200 xx, xxxxxx xxxxxx xxxxxxxxxxxxxx xxxxxx.
3. Podstata metody
Polarizace xx stanoví xxxxxx xxxxxxxxxxxx xxxx xxxxxxxxxxx xx xxxxxxxx xxxxxxxxx x xxxx xxxxxxx xxxxxx.
4. Xxxxxxx xxxxxxx
4.1 Xxxxxx xxxxxxx: xxxxxxx xxxxxx xxxxxx xxxxxxxxxx.
Xx xxx 1000 xx xxxxxxx xxxxxxxxx xxxx xx xxxxx 560 x xxxxxxx bazického xxxxxx olovnatého. Xxxx xx 30 xxxxx xxxx x poté xx nechá xxxx xxxx xxx.
Xxxxxx xxxxxxxxxxx xx xxxxxxxxx x xxxxx xxxxxxx xxxxxxxxxx xxxxx tak, xxx xxxxxx xxxxxx x xxxxxxx 1,25 x/xx (xxx 20 °X).
Xxxxx xxxxxx xx xxxxx xxxxxxx před xxxxxxxxx xxxxxxx.
4.2 Xxxxxxxxxxxx
5. Xxxxxxxxx x xxxxxxx
5.1 Xxxxxxxxxxx xxxxxxxxxxxx na normální xxxxxxxx 26 x xxxxxxxxx, popřípadě xxxxxxxxxx
Xxxxx xxxxxxxx xxxx xxx xxxxxxx x xxxxxxxxx, xx xxxxx xx xxxxx udržovat xxxxxxx xxxxx 20 °C. Xxxxxxxx xx xxxxxxxxxx xxxxxx xxxxxxxxxxxx xxxxxxxxxx xxxxx.
5.2 Xxxxxxxx zdroj xxxxxxxxxxx ze xxxxxxxx xxxxxxx.
5.3 Xxxxxx xxxxxxxxxxxxxx xxxxxxx x xxxxx 200 xx s xxxxxxxxx ± 0,02 xx.
5.4 Xxxxxxxxxx xxxx, xxxxxx x xxxxxxxxx xx 0,1 mg.
5.5 Xxxxxxxxxx kalibrované odměrné xxxxx o xxxxxx 100 ml xx xxxxxxx. Baňky se xxxxxxxxx objemem x xxxxxxx 100,00 ± 0,01 ml xxxxx xxx xxxxxxx xxx xxxxxxx. Xxxxx s xxxxxxx mimo xxxxxxx xxxxxxx xxxxx xxx xxxxxxx xxxxx x xxxxxxxxx korekcí na 100 ml.
5.6 Xxxxx xxxxx xxxxxx xxxxxxxxxxx, xxxxxxxxx na 20 ± 0,1 °X.
6. Xxxxxx
6.1 Xxxxxxxx xxxxxxx
Xx xxxxxxxxxxx se naváží 26 ± 0,002 x xxxxxx a xxxxxxxxxxxxx se převede xx odměrné baňky x xxxxxx 100 xx (5.5) xxxxxxxxxx xxx 60 xx xxxx.
Xxxxxx xx xxxxxxxx xxxxxxx, nikoli xxxx xxxxxxxxxx.
Xxxxx xx xxxxx xxxxxx xxxxxxx, přidá xx 0,5 xx xxxxxxx xxxxxx olovnatého (4.1).
Xxxxxx se míchá xxxxxxxxx pohybem xxxxx x stěny baňky xx oplachují tak xxxxxx, dokud xxxxxxxx xxxxxxxxxx asi 10 xx xxx kalibrační xxxxx.
Xxxxx se xxxxxx xx xxxxx xxxxx (5.6) xxxxxxxxxx xxx 20 ± 0,1 °X x ponechá xx xxx xxx xxxxxx, xxxxx xx xxxxxxx cukerného xxxxxxx xxxxxxxx.
Xxxxxxx bubliny xxxxxxxxx xx povrchu xxxxxxxx xx xxxxxxxx xxxxxx xxxxxxxxxxxxx (4.2).
Roztok se xxxxxx xxxxx xx xxxxx.
Xxxxx xx xxxxxxxxx x xxxxx se xxxxxxxx xxxxxxx trojnásobným xxxxxxxxx xxxx xxxxxx.
Xxxxx xx xxxxx xxx xxxxx xxxx.
6.2 Stanovení xxxxxxxxxx
Xx dobu všech xxxx xxxxxxxxx xxxxx xx udržuje teplota 20 ± 0,1 °X.
6.2.1 Polarimetr se xxxxxxx xx xxxx.
6.2.2 Xxxxxx xx xxxxxxxxxxx xxxx xxxxxxxxx papír. Xxxxxxx 10 xx xxxxxxxx xx xxxxxxxxx. Xxxx se xx xxxxxxx 50 xx xxxxxxxx.
6.2.3 Xxxxxxxxxxxxxx trubice xx xxxxxxx dvojnásobným xxxxxxxxxxxxx xxxxxxxx vzorku xxxxxxxx x analýze (6.2.2).
6.2.4 Xxxxxxx xx xxx xxxxxxx 20 ± 0,1 °X xxxxxxx xxxxxx roztokem xxxxxx xxxxxxxx x xxxxxxx.
Xxx xxxxxxxxx xxxxxxxxx xxxxxxxx xx xxxxxxxx xxxxxxx xxxxxxxxx xxxxxxx. Xxxxxxxx trubice xx xxxxxx do xxxxxxx xxxxxxxxx.
6.2.5 Xxxxxx se xxxxxxxxxx s xxxxxxxxx xx 0,05°X xxxx 0,02 xxxxxxxx stupňů. Xxxxx se xxxxxxxx xxxxx xxxxxxxxx. Xxxxxxx xx xxxxxx x xxxxxx xxxx xxxxxx.
7. Xxxxxxxxx výsledků
7.1 Xxxxxx x xxxxxx výpočtu
Výsledky xxxx xxxxxxxxx ve xxxxxxxx S x xxxxxxxxx xx 0,1°S. Xxx xxxxxx xxxxxxxx xxxxxx xx xxxxxx X se použije xxxxx xxxxxx:
X = xxxxxx stupeň × 2,889
7.2 Opakovatelnost
Rozdíl mezi xxxxxxxx dvou xxxxxxxxx xxxxxxxxxxx xxxxxxx nebo xxxxxx xx sebou x téhož xxxxxx xxxxxx xxxxxxxxxxx xx xxxxxxxxx xxxxxxxx nesmí xxx větší xxx 0,1°X, xxxxxxx výsledek xxxxxxx xxxxxxxxx je xxxxxxxx x xxxx xxxxxx.