| L-赖氨酸盐酸盐 | CP2020 | EP11 | USP2023 | AJI92 |
| 含量 | ≥ 98.5% | 98.5-101.0% | 98.5-101.5% | 99.0-100.5% |
| 酸度 | 5.0-6.0 | / | / | 5.0-6.0 |
| 比旋度[a]D20 | +20.4°-+21.5° | +21.0°-+22.5° | +20.4°-+21.4° | +20.7°-+21.5° |
| 比旋度[a]D25 | / | / | / | / |
| 透光 | ≥ 98.0% | / | / | ≥98.0% |
| 溶液外观 | / | clear & colorless≤B7 or GY7 | / | / |
| 氯化物 | 19.0-19.6% | / | 19.0-19.6% | 19.12-19.51% |
| 铵盐 | ≤0.02% | ≤0.02% | / | ≤0.02% |
| 硫酸盐 | ≤0.02% | ≤0.03% | ≤0.03% | ≤0.02% |
| 铁盐 | ≤30PPM | ≤30PPM | ≤30PPM | ≤10PPM |
| 重金属 | ≤10PPM | / | / | ≤10PPM |
| 砷盐 | ≤1PPM | / | / | ≤1PPM |
| 其他氨基酸 | ≤0.5% | / | Individual impurities: ≤ 0.5% Total impurities: ≤ 2.0% | conform |
| 茚三酮活性物质 | / | Each impurity≤ 0.2 % Total impurities≤ 1.0% | / | / |
| 干燥失重 | ≤0.40% | ≤0.50% | ≤0.40% | ≤0.40% |
| 炽灼残渣 | ≤0.10% | ≤0.10% | ≤0.10% | ≤0.10% |
| 总菌 | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g |
| 霉菌&酵母菌 | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g |
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