| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White granular powder | Conforms |
| Solubility | Colorless clear | Conforms |
| Melting point | 50.0℃~53.0℃ | 52.0℃ |
| Color | ≤15 | 12 |
| Loss on drying | ≤1.0% | 0.15% |
| PH | 5.0~7.0 | 6.3 |
| Assay | ≥99.5% | 99.70% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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