| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Characteristics | White crystals or crystalline powder, odorless, slightly bitter taste | Complies |
| Identification |
|
Complies |
|
Complies | |
|
Complies | |
| Loss on drying | ≤0.8% | 0.3% |
| Residue on ignition | ≤0.2% | 0.1% |
| Heavy metals | ≤10ppm | <10ppm |
| Related substance | Total impurities ≤1.0% | 0.4% |
| Assay | 98.0%~102.0% | 99.4% |
| Conclusion: The Product Conforms to CP(Oral). |
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