Standard: Pharmaceutical grade
ITEM |
SPECIFICATIONS |
RESULTS |
Appearance |
White cryst powder |
White cryst powder |
Identification |
Positive |
Positive |
pH |
6.0~7.5 |
7.2 |
Chloride |
≤0.06% |
<0.06% |
Loss on drying |
≤1.0% |
0.2% |
Residue on ignition |
≤0.1% |
0.02% |
Organic volatile impurities |
Complies |
Complies |
Chromatographic purity |
≤1.0% |
0.3% |
residual solvents |
Complies |
Complies |
Assay |
98.0~102.0% |
99.9% |
Conclusion : Conforms to the standard of USP34 |