| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Off-white to light yellow crystalline powder | Conforms |
| Melting point | 178℃~179℃ | 178.3℃ |
| Loss on drying | ≤5.0% | 2.30% |
| Heavy metals | ≤0.002% | 0.001% |
| Assay | 98.0%~102.0% | 99.20% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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