| Test Items | Specification | Test Result |
| Description | White to creamy-yellow almost odorless crystalline powder | Light yellow odorless crystalline powder |
| Identification | Should meet the requirements | Complies |
| Assay (on dried basis) | ≥95.0% | 95. 4 % |
| PH | 5.0 ~ 7.5 | 6.8 |
| Specific rotation α m (20ºC, D) | +250°dm 2 kg -1 ~ +29 5 °dm 2 kg -1 | +2 62 °dm 2 kg -1 |
| Loss on drying | ≤8.0% | 4.17 % |
| Residue on ignition | ≤0.5% | 0. 46 % |
| Lead |
≤2.0 mg/kg |
<2.0 mg/kg |
| Conclusion |
Complies with enterprise standard. |
|