Appearance | white powder |
Assay | ≥99.0% |
Residue on ignition | ≤0.20% |
Heavy metal(Pb) | ≤20ppm |
Loss on drying | ≤1.0% |
PH | 2.2~3.0 |
Appearance | white powder |
Assay | ≥99.0% |
Residue on ignition | ≤0.20% |
Heavy metal(Pb) | ≤20ppm |
Loss on drying | ≤1.0% |
PH | 2.2~3.0 |