Items | Standard | Analysis data |
Appearance | White powder | conforms |
Specific Rotation [20/D] (C=4 in methanol) | -22.0 to -26.0° | -24.2° |
State of Solution (Transmittance) | Not less than 98.0% | 98.2% |
Heavy Metals (Pb) | Not more than 20 PPM | 6ppm |
Iron (Fe) | Not more than 10ppm | 8ppm |
Arsenic (As2O3) | Not more than 2 PPM | <2ppm |
Chloride (Cl) | Not more than 0.020% | 0.018% |
Loss on Drying | Not more than 0.35% | 0.19% |
Residue on Ignition | Not more than 0.2% | 0.10% |
Assay | 98.0% to 102.0% | 99.0% |