| 檢測項目 Test Item | 檢測標準 Standard | 檢測結(jié)果Result |
| 外觀Appearance | 白色結(jié)晶或結(jié)晶性粉末White crystals or crystalline powder | Qualified |
| 比旋度Specific rotation[a]D20° | -215°～-225° | -219.2° |
| 透光度State of solution | ≥98.0% | 99.1％ |
| 氯離子Chloride(Cl) | ≤0.02% | Qualified |
| 銨鹽Ammonium(NH4) | ≤0.02% | Qualified |
| 硫酸根 Sulfate(SO4) | ≤0.02% | Qualified |
| 鐵鹽Iron(Fe) | ≤10PPm | Qualified |
| 重金屬Heavy metals(Pb) | ≤10PPm | Qualified |
| 砷鹽Arsenic(As2O3) | ≤1PPm | Qualified |
| 其他氨基酸Other amino acids | Chromatographically not detectable | Qualified |
| 干燥失重Loss on drying | ≤0.2% | 0.12％ |
| 灼燒殘渣Residue on ignition | ≤0.1% | 0.06％ |
| 含量Assay | 98.5～101.0% | 99.1％ |
| 酸度PH | 5.0～6.5 | 5.8 |
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