Specification | HGB3478-1962 (III) | HGB3478-1962 |
Content(HCOONH4), w/% ≥ | 96.0 | 98.0 |
Ignition Residue ,w/% ≤ | 0.04 | 0.02 |
Chlorides(Cl), w/% ≤ | 0.004 | 0.002 |
Sulfate(SO42-),w/% ≤ | 0.01 | 0.005 |
Lead(Pb), w/% ≤ | 0.0004 | 0.0002 |
Iron(Fe),w/% ≤ | 0.001 | 0.0005 |
PH Value | 6.3-6.8 | 6.3-6.8 |