Item | Specifications |
Appearance | White crystals or crystalline powder |
Active content: | Min. 98% |
Assay, % | 98.5101.5 |
Identification | Infrared absorption |
Specific optical rotation | +22.4+24.7 |
pH value | 5.6~6.1 |
Loss on drying,% | 0.30 |
Residue on ignition,% | 0.4 |
Chloride, % | 0.05 |
Sulphate(SO4 | 0.03 |
Iron ,% | 0.003 |
Heavy metals ,% | 0.0015 |