| L-天冬酰胺 | EP10 | USP39 | AJI92 | FCC5 |
| 含量 | 99.0-101.0% | 98.0-101.5% | 99.0-101.0% | 98.0-101.5% |
| 酸度 | 4.0-6.0 | / | 4.4-6.4 | / |
| 比旋度[a]D20 | +33.7-+36.0 | +33.0°-+36.5° | +34.2°-+36.5° | +33.0°-+36.5° |
| 比旋度[a]D25 | / | / | / | / |
| 透光 | / | / | ≥98.0% | / |
| 溶液外观 | clear & colorless | / | / | / |
| 氯化物 | ≤0.02% | / | ≤0.02% | / |
| 铵盐 | ≤0.1% | / | ≤0.1% | / |
| 硫酸盐 | ≤0.02% | / | ≤0.02% | / |
| 铁盐 | ≤10PPM | / | ≤10PPM | / |
| 重金属 | / | ≤5PPM | ≤10PPM | ≤5PPM |
| 砷盐 | / | / | ≤1PPM | / |
| 其他氨基酸 | Impurity A≤ 0.5% Impurity C≤ 0.1% Each impurity ≤ 0.05% Total impurity≤ 0.8% | Individual impurities≤0.5% Total impurities≤1.0% | conform | / |
| 茚三酮活性物质 | / | / | / | / |
| 干燥失重 | ≤1.0% | ≤1.0% | ≤1.0% | ≤1.0% |
| 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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