指标名称 | 规格 | |||
优级纯GR | 分析纯AR | 化学纯 | CP2015 | |
含量 | ≥99.0 | ≥99.0% | ≥99.0% | ≥98.0 |
PH | - | 5.0~6.5 | 5.0~6.5 | 5.0~6.5 |
澄清度实验 | 应符合规定 | 应符合规定 | 应符合规定 | 合格 |
乙醇溶解实验 | 应符合规定 | 应符合规定 | 应符合规定 | 合格 |
水不溶物 | ≤0.003% | ≤0.005% | ≤0.01% | ≤0.01 |
硫酸盐 | ≤0.002% | ≤0.005% | ≤0.01% | ≤0.01 |
磷酸盐 | ≤0.0005% | ≤0.001% | ≤0.002% | ≤0.002 |
总氮量 | ≤0.002% | ≤0.005% | ≤0.01% | ≤0.01 |
钙 | ≤0.01% | ≤0.05% | ≤0.01% | ≤0.1 |
铁 | ≤0.0002% | ≤0.0005% | ≤0.001% | ≤0.001 |
钡和锶 | ≤0.002% | ≤0.005% | ≤0.005% | ≤0.005 |
重金属 | ≤0.0002% | ≤0.0005% | ≤0.001% | ≤0.001 |
钠 | ≤0.005% | - | - | - |
钾 | ≤0.005% | - | - | - |
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