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 |
FR
