產品規格
L-谷氨酰胺 | FCC11 | USP32 | JSFA | USP43 |
含量 | 98.5-101.5% | 98.5-101.5% | 98.0%~102.0% | 98.5-101.5% |
酸度 | / | / | 4.5~6.0 | / |
比旋度[a]D20 | +6.3°-+7.3° | +6.3°-+7.3° | +6.3°-+7.3° | +6.3°-+7.3° |
比旋度[a]D25 | / | / | / | / |
透光 | / | / | Colorless and clear | / |
氯化物 | / | ≤0.05% | ≤ 0.1 % | ≤0.05% |
銨鹽 | / | / | / | / |
硫酸鹽 | / | ≤0.03% | / | ≤0.03% |
鐵鹽 | / | ≤30PPM | / | ≤30PPM |
重金屬 | ≤5PPM | ≤15PPM | ≤2PPM | / |
砷鹽 | / | / | ≤3PPM | / |
其他氨基酸 | / | ≤0.5% | / | ≤0.5% |
茚三酮活性物質 | / | / | / | / |
干燥失重 | ≤0.30% | ≤0.30% | ≤0.30% | ≤0.30% |
熾灼殘渣 | ≤0.10% | ≤0.30% | ≤0.10% | ≤0.30% |
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