| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or almost white crystalline powder | Conforms |
| Identification | IR, TLC and chrominance test | Conforms |
| Specific rotation | 58°~62° | 60° |
| Loss on drying | ≤0.50% | 0.10% |
| Sulphated ash | ≤0.10% | 0.05% |
| Assay | ≥99.0% | 99.80% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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