| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Light yellow to yellow crystalline powder | Conforms |
| Melting point | 58℃~62℃ | 61℃ |
| Loss on drying | ≤0.50% | 0.12% |
| Residue on ignition | ≤0.10% | 0.05% |
| Assay | ≥99.0% | 99.87% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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