| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Identification | Meet the inquirements | Conforms |
| Melting point | 218℃~220℃ | 219℃ |
| Loss on drying | ≤0.50% | 0.30% |
| Assay | ≥99.5% | 99.64% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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