| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | white crystalline powder | Conforms |
| Identification | As by reference standard | Conforms |
| Solubility | Clear | Conforms |
| Acidity or alkalinity | Confirms | Confirms |
| Melting point | >225℃ | 229.70℃ |
| Loss on drying | ≤0.10% | 0.071% |
| Burnt residue | ≤0.10% | 0.032% |
| Heavy metals | ≤10ppm | <10ppm |
| PH | 4.0~6.0 | 4.53 |
| Sulphated ashes | ≤0.10% | 0.057% |
| Fungiyeast count | <50CFU/g | Conforms |
| Total plate count | <50CFU/g | Conforms |
| Optical rotation | -0.10°~+0.10° | Conforms |
| Reducing substances | ≤0.10% | 0.030% |
| Related substances | ≤0.50% | 0.224% |
| Assay | 99.0%~101.0% | 99.17% |
| Conclusion: The Product Conforms to EP/USP. |
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