L-天冬酰胺 | CP2020 | EP11 | USP2022 | AJI92 | FCC11 |
含量 | ≥98.0% | 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 | +31.0°-+35.0° | +33.7-+36.0 | +33.0°-+36.5° | +34.2°-+36.5° | +33.0°-+36.5° |
比旋度[a]D25 | / | / | / | / | / |
溶液外觀 | / | clear & colorless | / | / | / |
透光 | ≥98.0% | / | / | ≥98.0% | / |
鉛 | / | / | ≤5PPM | / | / |
氯化物 | ≤0.005% | ≤0.02% | / | ≤0.02% | / |
銨鹽 | ≤0.1% | ≤0.1% | / | ≤0.1% | / |
硫酸鹽 | ≤0.005% | ≤0.02% | / | ≤0.02% | / |
鐵鹽 | ≤0.001% | ≤10PPM | / | ≤10PPM | / |
重金屬 | ≤0.001% | / | / | ≤10PPM | ≤5PPM |
砷鹽 | ≤0.0001% | / | / | ≤1PPM | / |
其他氨基酸 | ≤0.5% | Impurity A ≤ 0.5% Impurity C ≤ 0.1% Each impurity ≤ 0.05% Total impurity≤ 0.8% | Total impurities≤ 1.0% | conform | / |
茚三酮活性物質(zhì) | / | / | / | / | / |
干燥失重 | 11.5%~12.5% | 10.5-12.5% | 11.5-12.5% | 11.5-12.5% | 11.5-12.5% |
熾灼殘?jiān)?/td> | ≤0.10% | ≤0.10% | ≤0.10% | ≤0.10% | ≤0.10% |
總菌 | ≤ 500 CFU/g | ≤ 500 CFU/g | ≤ 500 CFU/g | ≤ 500 CFU/g | ≤ 500 CFU/g |
霉菌&酵母菌 | ≤ 50 CFU/g | ≤ 50 CFU/g | ≤ 50 CFU/g | ≤ 50 CFU/g | ≤ 50 CFU/g |
致病菌 | 克羅諾桿菌 /腸桿菌 /沙門氏菌 /蠟樣芽胞桿菌 /梭狀芽胞桿菌 (可根據(jù)要求檢測) |