| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or white crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Specific rotation | +69°~+76° | +74° |
| Loss on drying | ≤19.50% | 16.7% |
| Sulphate ash | ≤0.04% | 0.01% |
| Heavy metals | ≤0.002% | 0.001% |
| Related substances | ≤0.3% | 0.08% |
| PH | 3.2~3.9 | 3.8 |
| Assay | 98.5%~101.5% | 99.30% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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