| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Characteristics | White crystals | Conforms |
| Solubility | Soluble in water, alcohol, strong hygroscopicity. | Conforms |
| Chloride | ≤0.02% | 0.01% |
| Sulfate | ≤0.01% | 0.007% |
| Iron | ≤0.005% | 0.003% |
| Phosphoric acid | ≤0.20% | 0.05% |
| Assay | ≥98.0% | 99.10% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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