



| Item | Specifications |
| Assay | ≥99.00% |
| Water | ≤0.4% |
| Chloride | ≤0.005% |
| Sulfate(SO4) | ≤0.01% |
| Nitrate (NO3) | ≤0.01% |
| Phosphate(PO4) | ≤0.001% |
| Fe | ≤0.0005% |
| Pb | ≤0.0005% |
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