Test Item | Specification |
Appearance | White crystal or crystalline powder |
Identification | Infrared Absorption |
Assay | 98.5% ~ 101.5% |
Residue on ignition | ≤ 0.4% |
Chloride(Cl) | ≤ 0.05% |
Sulfate(SO 4 ) | ≤ 0.03% |
Iron(Fe) | ≤ 30ppm |
Heavy metals(Pb) | ≤ 15ppm |
Related Compounds |
Not more than 0.5% of any individual impurity is found;
Not more than 2.0% of total impurities is found |
Specific rotation[α] D 25 | -84.3° ~ -86.3° |
Loss on drying | ≤ 0.4% |
Test Item | Specification |