检 验 项 目 T e s t I t e m | 分析纯AR | 化学纯CP |
含量 (Assay) | ≥92.5% | ≥90.0% |
盐酸不溶物 ( Insoluble matter in HCL) | ≤0.015% | ≤0.03% |
酸度(以磷酸计) (acidity) | 7.8% | 9.8% |
氯化物 (Chloride) | ≤0.0005% | ≤0.01% |
硝酸盐 (Nitrates) | 合格 | 合格 |
硫酸盐 (Sulphates) | ≤0.02 % | ≤0.05% |
氨 (Limit of ammonia) (Iron) | ≤0.01% | ≤0.008% |
砷 (Arsenic) | ≤0.0005% | ≤0.002% |
铁 (Iron) | ≤0.01% | ≤ 0.008% |
镁 (Magnesium) | ≤0.05% | ≤0.05% |
重金属 (Heavy metal) | ≤0.002% | ≤0.002% |
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