| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Loss on drying | 3.0%~14.0% | 9.50% |
| Residue on ignition | ≤0.1% | 0.04% |
| Heavy metals | ≤0.002% | 0.0001% |
| Related substance | Single impurity ≤0.2% | 0.12% |
| Total impurities ≤0.5% | 0.16% | |
| Assay | 98.5%~102.0% | 99.90% |
| Conclusion: The Product Conforms to CP/USP/EP. |
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