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L-丙氨酸
56326583683
3913-67-5
L-alanine
25*1
产品规格
L-丙氨酸 | AJI92 | USP32 | EP8 | EP10 | USP43 |
含量 | 99.0-101.0% | 98.5-101.5% | 98.5~101.0 % | 98.5~101.0 % | 98.5-101.5% |
酸度 | 5.7-6.7 | 5.5-7.0 | / | / | 5.5-7.0 |
比旋度[a]D20 | +14.3°-+15.2° | +13.7°-+15.1° | +13.5°-+15.5° | +13.5°-+15.5° | +13.7°-+15.1° |
比旋度[a]D25 | / | / | / | / | / |
透光 | ≥98.0% | / | / | / | / |
氯化物 | ≤0.02% | ≤0.05% | ≤0.02% | ≤0.02% | ≤0.05% |
铵盐 | ≤0.02% | / | ≤0.02% | ≤0.02% | / |
硫酸盐 | ≤0.02% | ≤0.03% | ≤0.03% | ≤0.03% | ≤0.03% |
铁盐 | ≤10PPM | ≤30PPM | ≤10PPM | ≤10PPM | ≤30PPM |
重金属 | ≤10PPM | ≤15PPM | ≤10PPM | / | / |
砷盐 | ≤1PPM | / | / | / | / |
其他氨基酸 | conform | individual impurities≤0.5% total impurities≤2.0% | / | / | Maleic acid ≤ 0.05% Malic acid ≤ 0.05% Fumaric acid ≤ 0.05% Any unspecified impurity ≤ 0.05% total impurities≤ 0.20% |
茚三酮活性物质 | / | / | / | Each impurity≤ 0.1 % Total impurities≤ 0.5 % |
/ |
干燥失重 | ≤0.20% | ≤0.20% | ≤0.50% | ≤0.50% | ≤0.20% |
炽灼残渣 | ≤0.10% | ≤0.15% | ≤0.10% | ≤0.10% | ≤0.15% |
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产品规格
L-丙氨酸 | AJI92 | USP32 | EP8 | EP10 | USP43 |
含量 | 99.0-101.0% | 98.5-101.5% | 98.5~101.0 % | 98.5~101.0 % | 98.5-101.5% |
酸度 | 5.7-6.7 | 5.5-7.0 | / | / | 5.5-7.0 |
比旋度[a]D20 | +14.3°-+15.2° | +13.7°-+15.1° | +13.5°-+15.5° | +13.5°-+15.5° | +13.7°-+15.1° |
比旋度[a]D25 | / | / | / | / | / |
透光 | ≥98.0% | / | / | / | / |
氯化物 | ≤0.02% | ≤0.05% | ≤0.02% | ≤0.02% | ≤0.05% |
铵盐 | ≤0.02% | / | ≤0.02% | ≤0.02% | / |
硫酸盐 | ≤0.02% | ≤0.03% | ≤0.03% | ≤0.03% | ≤0.03% |
铁盐 | ≤10PPM | ≤30PPM | ≤10PPM | ≤10PPM | ≤30PPM |
重金属 | ≤10PPM | ≤15PPM | ≤10PPM | / | / |
砷盐 | ≤1PPM | / | / | / | / |
其他氨基酸 | conform | individual impurities≤0.5% total impurities≤2.0% | / | / | Maleic acid ≤ 0.05% Malic acid ≤ 0.05% Fumaric acid ≤ 0.05% Any unspecified impurity ≤ 0.05% total impurities≤ 0.20% |
茚三酮活性物质 | / | / | / | Each impurity≤ 0.1 % Total impurities≤ 0.5 % |
/ |
干燥失重 | ≤0.20% | ≤0.20% | ≤0.50% | ≤0.50% | ≤0.20% |
炽灼残渣 | ≤0.10% | ≤0.15% | ≤0.10% | ≤0.10% | ≤0.15% |
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