|
Rate/ index |
Standard requirements GHOST 1277-75 «chemically clean» |
|
Mass content of caustic silver/ silver nitrate (AgNO3), % |
99,9 |
|
Mass fraction/content, %, not above: |
|
|
Silver |
|
|
Water-insoluble chemical agents |
0,003 |
|
Chlorohydric acid unsettleable solids |
0,01 |
|
Sulphate |
0,002 |
|
Chloride |
0,0002 |
|
Ferrum |
0,0002 |
|
Bismuth |
0,0005 |
|
Cuprum |
0,0005 |
|
Plumbum |
0,0005 |
|
Free nitric acid (hydrogen nitrate) |
Stands the test in accordance with the point 3.9 of GHOST 1277-75 |
