| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or colorless monoclinic crystals | Conforms |
| Water insoluble matter | ≤0.02% | <0.02% |
| Sulfate(SO4) | ≤0.05% | <0.05% |
| Iron (Fe) | ≤0.002% | <0.002% |
| Lead(Pb) | ≤0.05% | <0.05% |
| Zinc (Zn) | ≤0.01% | <0.01% |
| Heavy metals(Cu) | ≤0.02% | <0.02% |
| Assay | ≥98.0% | 98.35% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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