COA:
Test items |
Specification | Test results | |
Appearance | Yellowish powder | Comply | |
Identification | Ir | Comply | |
It meets the requirements of the test for choride | Comply | ||
Solubility | Soluble in 10% sodium hydroxide solution, slightly soluble in methanol,insoluble in water | Comply | |
Assay | 98.5%~101.5% | 99.15% | |
Related substances | Rrt=0.74 impurity | ≤0.20% | Comply |
Other single impurity | ≤0.10% | 0.07% | |
Total impurities | ≤0.5% | 0.26% | |
Loss on drying | ≤0.5% | 0.10% | |
Residue on ignition | ≤0.1% | Comply | |
Heavy metals | ≤10ppm | Comply | |
Storage | Preserve in well-closed containers and protected from light.Store at room temperature. | ||
Conclusion |
Complies with usp32 standard |
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