指标名称 | 规格 | |||
优级纯GR | 分析纯AR | 化学纯CP | 电子级 | |
含量 | ≥99.8% | ≥99.0% | ≥99.5% | 二水草酸 无水草酸 可按客户要求定制 |
澄清度试验 | 合格 | - | 合格 | |
水不溶物 | ≤0.002% | - | ≤0.01% | |
灼烧残渣 | ≤0.01% | ≤0.08% | ≤0.05% | |
氯化物 | ≤0.0005% | ≤0.002% | ≤0.005% | |
硫酸盐 | ≤0.001% | ≤0.08% | ≤0.005% | |
总氮量 | ≤0.001% | - | ≤0.005% | |
钙 | ≤0.001% | - | ≤0.005% | |
干燥失重 | - | ≤1.0% | - | |
易碳化物质 | 合格 | - | 合格 | |
铁 | ≤0.0002% | ≤0.0015% | ≤0.002% | |
重金属 | ≤0.0002% | ≤0.001% | ≤0.001% | |
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