|
Rate/Index |
Standard requirements TU 26 11-004-44460240-2016«PSEKHA-2U» |
|
Mass content of silver, %, not less than |
97,0 |
|
Mass content of potassium hydroxine and potassium carbonate in the amout of (in conversion to potassium hydroxine), % |
0.8-1,1 |
|
Mass content of potassium chlorous, % |
0,5-0,8 |
|
Mass content of related substances, %, not above |
|
|
- ferrum |
0,004 |
|
- cupurum |
0,01 |
|
-nitrate ions |
0,05 |
|
Tamped density, gr/cm3 |
1,0-1,5 |
|
Electrochemical activity: |
|
|
-Electrode potential at the first charge current 1А at 135 minute, В, not above: |
2,05 |
|
-Duration of first charge at 2,5 А cathod current before the intense gas evolution, mitute, not less than |
55 |
|
- Electrode potential at the second and third charge current 2,5 А at 10 minute, В, not above |
1,85 |
|
-Duration of second and third charge at 2,5 А cathod current before the intense gas evolution, mitute, not less than |
55 |
|
Time of charge till gas intense evolution (till 2,16 potential relative to zink electrode), min. |
100-113 |
|
Value of electrode potential after polarize cathod current switch on 0,25 s, В, not less then |
1,37 |
