Weak nitric acid GOST R 53789-2010
Specifications
indicator |
Extra Class |
Class I |
---|---|---|
Outward appearance |
Clear, colorless or slightly yellowish liquid without mechanical impurities |
|
Mass fraction of nitric acid , %, not less |
57 |
56 |
Mass fraction of nitrogen oxides based on N2O4,%, no more than |
0,07 |
0,1 |
Mass fraction of residue after calcination , %, not more |
0,004 |
0,02 |