40 % NaO 80-120 3-10 / 2 .
. , 700 / NaOH, 60-70 , 5-10 / 2 30-40 , 4-5 . NaOH, , , -. , - , - . , . , - . .
, 2-3 , . , .
. 2-5 / NaNO2 3-5 / Na23. 30-40 60-70 5-10 . , 250-300 / NaN02. , .
, . , NaN02 .
- N. 10 10% 60-65 . , , . 20 / 227 5 / NaOH. 85-90 2-3 .
|
|
(/) (.12.2):
12.2
HNO3 | 400-800 | 250-300 | 450-500 | - |
227 | - | 20-25 | 5-10 | - |
- | - | - | 140-150 | |
H2S04 | - | - | - | 1.2-1.6 |
, | 18-25 | 45-50 | 18-25 | 80-90 |
30-60 , -15-20 .
1 189, 2319, , 2 - , 2 3 - 172, 213, 4 - , .
, .
12.1.2.
, . , . , , .
. , , l2. , , , . , .
(/) (. 12.3):
12.3
1. | Na2CO3 | 40-50 |
Na2Cr04 | 10-15 | |
NaOH | 2-2.5 | |
2. | 3-2.5 | |
Na2SiF6 | 3-3.5 |
1 3-20 80-100, 2 - 20-30 8-10 . 2 90-100 15-20 .
Na2Cr04 . , 25 / r 12 / 227 7.4 , - 3.7 NaOH. 15/ Na2Cr04.
|
|
. . . , .
, . 50-60 . .
, 20-30 , 18-20 / .
: , , , .
, 170-200 / H2S04. , . . 1-2 /2 10-15 , - 0.5-1.0 /2 12-20 . 15-23. 30-50 , 60-80 .
, . . , . 2 9, , . , 50% , .
, , , , .
. 30-35 50-55 / , - 90-100 / . 0.5 / S04 0.02 / 1.
362 0.3-0.5 /2, - 322C 0.4-2.5 /2. 5-10 40 40-50 . , 2.0-2.5 /2. .
, , . , 5% 4% .
3-5% 20-25 , 1-2 / 30-40 . , , 60-70 .
|
|
, . 5 100 - . , , , , , . .
, , .
, H2S04 , . 100/ 5 / . 1-3 /2 20-40 . .
100 / , 30 / , 3 / .
, . 100 30-40 , 3-4 /2.
12.1.2. ,
- , , .
. , . , . .
. , , .
.
, , . . . , .