Appearance | White Crystal Powder | White Crystal Powder |
Assay | 95.0~103% | 96% |
Ammonium(NH4+) | ≤0.02% | 0.01% |
Heavy metal(Pb) | ≤15ppm | 10ppm |
Residue on ignition | ≤0.1% | 0.05% |
PH | 5.0~6.5 | 5.3 |
Transmittance | ≥95% | 96% |
Sulphate(SO42-) | ≤0.03% | 0.01% |
Iron(Fe) | ≤0.03% | 0.15% |
Arsenic | ≤1.5ppm | 1.0% |
Loss on drying | ≤0.2% | 0.1% |
Chloride(CL) | 0.05% | 0.03% |
Brand name | Fousi chemical |
Packing: 25kg/drum, foil bag
Stored in a sealed dark dry cool place