Item | Standard | Analysis data |
Appearance | White fine crystals or White power | conforms |
Specific rotation(20/D) (C=4 in 6N HCL) | -14.0 to -16.0°Degree | -14.67° |
Chloride (Cl) | Not more than 0.020% | 0.018% |
Heavy metals(Pb) | Not more than 10ppm | 8ppm |
Arsenic(As2O3) | Not more than 1ppm | <1ppm |
Other amino acids | Chromatographically Not detectable | conforms |
Loss on drying | Not more than 0.20% | 0.15% |
Residue on ignition(sulfated) | Not more than 0.10% | 0.09% |
Assay | 98.0 to100.5% | 99.0% |