Appearance | White crystals or crystalline powder |
Specific Rotation[α]20/D | +25.8°~ +27.0° |
Chloride(Cl) | ≤0.05% |
Sulphate(SO42-) | ≤0.03% |
Iron(Fe) | ≤30ppm |
Residue on ignition | ≤0.20% |
Heavy metal(Pb) | ≤15ppm |
Assay | 98.0%~102.0% |
Loss on drying | ≤0.30% |