| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Suulphate(SO4) | ≤0.007% | 0.002% |
| Chlorides(Cl) | ≤0.003% | 0.003% |
| Heavy metals(Pb) | ≤0.0005% | <0.0005% |
| Arsenic(As) | ≤0.0002% | <0.0002% |
| Assay | 99.2%~101.0% | 99.90% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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