L-精氨酸盐酸盐 | CP2020 | EP11 | USP2023 | AJI92 |
含量 | ≥98.5% | 98.5-101.0% | 98.5-101.5% | 99.0-101.0% |
酸度 | / | / | / | 4.7-6.2 |
比旋度[a]D20 | +21.5°-+23.5° | +21.0°-+23.5° | +21.4°-+23.6° | +22.1°-+22.9° |
比旋度[a]D25 | / | / | / | / |
透光 | ≥98.0% | / | / | ≥98.0% |
溶液外观 | / | clear & colorless ≤BY6 | / | / |
氯化物 | 16.5-17.1% | / | 16.5-17.1% | 16.58-17.00% |
铵盐 | ≤0.02% | ≤0.02% | / | ≤0.02% |
硫酸盐 | ≤0.02% | ≤0.03% | ≤0.03% | ≤0.02% |
铁盐 | ≤10PPM | ≤10PPM | / | ≤10PPM |
重金属 | ≤10PPM | / | / | ≤10PPM |
砷盐 | ≤1PPM | / | / | ≤1PPM |
其他氨基酸 | ≤0.20% | / | Individual impurities≤0.5% Total impurities≤2.0% | conform |
茚三酮活性物质 | / | Each impurity≤0.2% Total impurity≤0.5% | / | / |
蛋白质 | no precipitate | / | / | / |
干燥失重 | ≤0.20% | ≤0.50% | ≤0.20% | ≤0.20% |
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 |