甘氨酸 | CP2020 | EP11 | USP2023 | AJI92 | FCC5 |
含量 | ≥ 99.0% | 98.5-101.0% | 98.5-101.5% | 98.5-101.0% | 98.5-101.5% |
酸度 | 5.6-6.6 | 5.9-6.4 | / | 5.9-6.4 | / |
比旋度[a]D20 | / | / | / | / | / |
比旋度[a]D25 | / | / | / | / | / |
透光 | clear & colorless ≥ 98.0% | / | / | ≥98.0% | / |
溶液外觀 | / | clear & not more intensely coloured than reference solution Y7 | / | / | / |
氯化物 | ≤0.007% | ≤ 75 ppm | ≤0.007% | ≤0.007% | / |
銨鹽 | ≤ 0.02% | ≤0.02% | / | ≤0.006% | / |
硫酸鹽 | ≤0.006% | / | ≤0.0065% | ≤0.02% | / |
鐵鹽 | ≤0.001% | / | / | ≤10PPM | / |
重金屬 | ≤10PPM | / | / | ≤10PPM | ≤5PPM |
砷鹽 | ≤1PPM | / | / | ≤1PPM | / |
其他氨基酸 | ≤0.5% | Impurities B,H,I≤ 0.1% Unspecified impurities≤ 0.1% Total impurities ≤ 0.2% | Glycine anhydride ≤ 0.1% Iminodiacetic acid≤ 0.1% Diglycine≤ 0.1% Triglycine≤ 0.1% Hexamethylenetramine≤ 0.1% Total impurities≤ 1.0% | conform | / |
茚三酮活性物質(zhì) | / | Each impurities≤ 0.1% Total impurities≤ 1.0% | / | / | / |
干燥失重 | ≤0.20% | ≤0.50% | ≤0.20% | ≤0.20% | ≤0.20% |
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(cè)) |