Item | Standard | Analysis data |
Appearance | White crystalline powder | conforms |
Specific rotation[α]20/D (C=4 in H2O) | -6.3 to - 7.3° | -6.8° |
Heavy metal(Pb) | Not more than 10ppm | <10ppm |
Loss on drying | Not more than 0.30% | 0.10% |
Residue on ignition | Not more than 0.10% | 0.08% |
Assay | 96.0% to 101.5% | 96.2% |