| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or off-white powder | Conforms |
| Melting point | 242℃~245℃ | 243℃ |
| Loss on drying | ≤0.5% | 0.05% |
| Residue on ignition | ≤0.2% | 0.01% |
| Assay | ≥99.0% | 99.80% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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