| ITEMS | STANDARDS | RESULTS |
| CHARACTERISTICS | White or off-white crystalline powder | White crystalline powder |
| IDENTIFICATION |
1,By HPLC
2,By HNMR |
Complies |
| WATER | ≤1.0% | 0.09% |
| RESIDUE ON IGNITION | ≤0.1% | 0.07% |
| HEAVY METALS | ≤20ppm | Complies |
| RELATIVE SUBSTANCE | Any individual impurity:≤0 . 5 % | 0.37% |
| T otal I mpurities:≤1 . 0 % | 0 . 68% | |
| ASSAY | 9 8 . 0~102.0 % | 99.2% |
| Conclusion: It complies to enterprise standard | ||
| Storage : Preserve in tight, light-resistant containers. Store at room temperature. | ||