指标名称 | 规格 | |||||||
优级纯GR | 分析纯AR | 化学纯CP | 分析纯（无水） | 化学纯（无水） | 分析纯 | 化妆品级（无水） | 电子级 | |
含量 | 99.0 | ≥99.0% | ≥99.0% | ≥99.0% | ≥99.0% | 99.0% ~100.5% | 化妆品级报送码： 004347-03819-4204 | 可根据客户要求定做 |
水溶液反应 | - | 合格 | 合格 | - | - | - | ||
PH | - | - | - | 8.7-9.3 | 8.7-9.3 | 8.8-9.4 | ||
干燥失重 | - | - | - | - | - | 18.5%-21.5% | ||
澄清度实验 | 合格 | 合格 | 合格 | 合格 | 合格 | - | ||
水不溶物 | 0.005 | ≤0.005% | ≤0.05% | ≤0.01% | ≤0.02% | ≤0.1% | ||
氯化物 | 0.0005 | ≤0.001% | ≤0.001% | ≤0.002% | ≤0.004% | ≤0.06% | ||
硫酸盐 | 0.005 | ≤0.01% | ≤0.01% | ≤0.005% | ≤0.010% | ≤0.05% | ||
氮化合物 | 0.001 | ≤0.002% | - | - | - | - | ||
总氮量 | - | - | - | ≤0.002% | ≤0.003% | - | ||
钾 | 0.005 | ≤0.01% | ≤0.01% | - | - | - | ||
铁 | 0.0005 | ≤0.0005% | ≤0.005% | ≤0.002% | ≤0.004% | ≤0.001% | ||
砷 | 0.00005 | ≤0.0005% | ≤0.0005% | ≤0.0001% | ≤0.0002% | ≤0.001% | ||
重金属 | 0.0005 | ≤0.0005% | ≤0.005% | ≤0.001% | ≤0.002% | ≤0.001% | ||
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