Item | Specification | Results |
Appearance | Almost white powder | white powder |
Assay | ≥98.0% | 98.52% |
Loss on drying | ≤0.50% | 0.35% |
Ammonium(NH4) | ≤0.02% | Pass |
Sulfate | ≤0.02% | Pass |
Arsenic | ≤2ppm | Pass |
Heavy metal | ≤20ppm | Pass |
Pathogen | Bacteria: ≤300cfu/g Fungus: ≤100cfu/g |
﹤20 |
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