| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Melting point | 53℃~54℃ | 53.6℃ |
| Loss on drying | ≤0.20% | 0.03% |
| Heavy metals | ≤0.005% | 0.0003% |
| Assay | ≥99.0% | 99.48% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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