| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline or crystalline powder, odorless | Conforms |
| Solubility | Soluble in water, insoluble in ethanol, insoluble in acetone, insoluble in chloroform | Conforms |
| PH | 6.0~7.5 | 7.4 |
| Loss on drying | ≤6.00% | 1.50% |
| Heavy metals | ≤10ppm | <10ppm |
| Assay | ≥98.0% | 99.80% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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