



| 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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