Testing Items |
Specifications |
Results |
Description |
White crystals or crystalline powder |
Conforms |
Identification |
Infrared identification |
Conforms |
Specific rotation[a]D25° |
+24.5°~+26.8° |
+26.03° |
State of solution |
≥98.0% |
99.26% |
Chloride |
≤0.02% |
0.014% |
Ammonium |
≤0.02% |
0.008% |
Iron |
≤10ppm |
2ppm |
Heavy metals |
≤10ppm |
3ppm |
Arsenic |
≤1PPm |
0.01PPm |
Loss on drying |
≤0.30% |
0.11% |
Residue on ignition |
≤0.10% |
0.02% |
Assay |
98.5%~101.0% |
99.32% |
PH |
5.0~7.0 |
6.68 |
Conclusion: The Product Conforms to AJI/USP.
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