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Item | Standard |
Appearance | white crystal or granule |
Assay | 99.0-100.5% |
Loss on drying | ≤2.0% |
Chlorine-containing compounds | ≤0.03% |
Heavy metal (Pb) | ≤0.001% |
Arsenic | ≤0.0002% |
Sulfate | ≤0.1% |
Chloride (Cl) | ≤0.02% |
Shelf life | 24 months |
Storage | in the shade |
Packing | 25kg/bag |
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