Items | Standard |
Assay | 98.5%~101.5% |
Specific rotation | +22.4º~+24.7º |
PH | 5.6~6.1 |
Heavy metals (Pb) | ≤0.0015% |
Iron(Fe) | ≤0.003% |
Sulfate (SO4) | ≤0.03% |
Chloride(Cl) | ≤0.05% |
Loss on drying | ≤0.3% |
Residue on ignition | ≤0.4% |
Other amino acids | Conforms |