L-亮氨酸
包装: 25kg公斤牛皮纸袋或桶装
标准: AJI92, AJI97, EP, USP30, USP32,USP36
COA 案例:
检验项目Item | 参照标准Specification ( USP 30) |
外观Appearance | 白色结晶状White color crystalline fuzzy type |
旋光Specific Rotation | +14.9º~+17.3º |
透光率State of Solution | 清澈无色Clear and Colourless |
氯化物Chloride (CL) | 0.05% Max. |
硫酸盐Sulfate | 0.03% Max. |
重金属Heavy Metals( PB) | 0.0015% Max. |
砷盐Arsenic(As2O3) (ppm) | 1.5 Max. |
干燥失重Loss on Drying | 0.20% Max. |
燃烧残渣Residue on Ignition | 0.40% Max. |
色谱分析Chromatographic Purity | 总杂质不超过2.0%,单个杂质不超过0.5% NMT 2.0% of total impurities, NMT 0.5% of any individual impurities |
铁盐Iron(Fe) | 0.003% Max |
酸碱值PH | 5.5-7.0 |