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 | 企业标准Limited (Enterprise Standard) |
外观Appearance | |
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 | ≤0.05% |
硫酸盐Sulfate | ≤0.03% |
铁盐Iron | ≤0.003% |
重金属Heavy Metals | ≤0.0015%PB |
砷盐Arsenic | ≤1.5PPM |
干燥失重Loss On Drying | ≤0.20% |
燃烧残渣Residue On Ignition | ≤0.40% |
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 |
酸碱度PH | 5.5-7.0 |