Detailed content
Specification parameter
Product packaging
Test Item | Specifications |
Sensory test | off-white crystalline or crystalline powder, no peculiar smell |
Assay | ≥98.0% |
Loss on drying | ≤0.5% |
PH | 4.0~7.0 |
Residue on ignition | ≤0.5% |
Specific rotation[α]D25 | +26.6°~+28.8° |
Iron salt | ≤0.003% |
Heavy metals(as Pb) | ≤5mg/kg |
Arsenin(as in total arsenic) | ≤2mg/kg |
Mercury(as Hg) | ≤0.1mg/kg |
Cadmium(as Cd) | ≤2mg/kg |
Salmonella | Negative |
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