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CAS号：147-85-3
标准：AJI, CP, USP
功能与用途：食品添加剂，营养补充剂，医药中间体，医药试剂等
产品指标：
--- | CP2015 | AJI92 | USP30 | USP40 |
性状 | 应为白色结晶或结晶性粉末 | 应为白色结晶或结晶性粉末 | --- | ---- |
鉴别 | 应符合规定 | 应符合规定 | --- | 应符合规定 |
含量 | ≥98.5% | 99.0%~101.0% | 98.5%~101.5% | 98.5%~101.5% |
pH | 5.9~6.9 | 5.9~6.9 | 5.9~6.9 | --- |
透光率 | ≥98.0% | ≥98.0% | --- | --- |
干燥失重 | ≤0.3% | ≤0.30% | ≤0.3% | ≤0.4% |
炽灼残渣 | ≤0.1% | ≤0.10% | ≤0.1% | ≤0.4% |
氯化物 | ≤0.02% | ≤0.020% | ≤0.05% | ≤0.05% |
重金属 | ≤0.001% | ≤10ppm | ≤15ppm | ≤15ppm |
铁盐 | ≤0.001% | ≤10ppm | ≤0.003% | ≤0.003% |
硫酸盐 | ≤0.02% | ≤0.020% | ≤0.03% | ≤0.03% |
细菌内毒素 | ＜10EU/g | --- | --- | --- |
砷盐 | ≤0.0001% | ≤1ppm | --- | --- |
铵盐 | ≤0.02% | ≤0.02% | --- | --- |
其他氨基酸 | 应符合规定 | 应符合规定 | --- | 应符合规定 |
热源 | --- | 应符合规定 | --- | --- |
比旋度 | -84.5°~ -86.0° | -84.5°~ -86.0° | -84.5°~ -86.0° | -84.3°~ -86.3° |
