L-組氨酸鹽酸鹽 | CP2020 | EP11 |
含量 | ≥ 99.0% | 98.5-101.0% |
酸度 | 3.5-4.5 | 3.0-5.0 |
比旋度[a]D20 | +8.5°-+10.5° | +9.2°-+10.6° |
比旋度[a]D25 | / | / |
透光 | ≥ 98.0% | / |
溶液外觀 | / | clear & colorless ≤BY6 |
氯化物 | 16.7%-17.1% | / |
銨鹽 | ≤0.02% | ≤0.02% |
硫酸鹽 | ≤0.02% | ≤0.03% |
鐵鹽 | ≤10PPM | ≤10PPM |
重金屬 | ≤10PPM | / |
砷鹽 | ≤1PPM | / |
其他氨基酸 | ≤0.02% | / |
茚三酮活性物質(zhì) | / | Each impurities≤ 0.2% Total impurities≤ 0.5% |
干燥失重 | ≤0.02% | 7.0-10.0% |
熾灼殘?jiān)?/td> | ≤0.10% | ≤0.10% |
內(nèi)毒素 | <6 EU/g | <6 EU/g |
總菌 | ≤ 500 CFU/g | ≤ 500 CFU/g |
霉菌&酵母菌 | ≤ 50 CFU/g | ≤ 50 CFU/g |