指标名称 | 规格 | ||||
优级纯GR | 分析纯AR | 化学纯CP | 电池级 | 定制 | |
含量 | ≥99.0% | ≥98.0% | ≥98.0% | ≥99.0% | 可定制3N、4N、5N、6N |
澄清度实验 | 合格 | 合格 | 合格 | - | |
水不溶物 | ≤0.01% | ≤0.05% | ≤0.1% | - | |
酸度(以H+计),mmol/100g | ≤2.5 | 5.0mmol/100g | ≤10.0 | - | |
碱度(以H-计),mmol/100g | ≤1.0 | 2.0mmol/100g | ≤4.0 | - | |
氯化物 | ≤0.002% | ≤0.005% | ≤0.01% | - | |
硫酸盐 | ≤0.01% | ≤0.03% | ≤0.05% | - | |
氟硅酸盐(SiF6) | ≤0.05% | ≤0.6% | ≤1.2% | - | |
铁 | ≤0.002% | ≤0.005% | ≤0.005% | ≤5% | |
重金属 | ≤0.001% | ≤0.003% | ≤0.005% | - | |
游离酸 | ≤0.05% | - | - | - | |
游离碱 | ≤0.05% | - | - | - | |
钾 | - | - | - | ≤10% | |
钙 | - | - | - | ≤10% | |
铅 | - | - | - | ≤2% | |
钴 | - | - | - | ≤2% | |
铬 | - | - | - | ≤2% | |
铜 | - | - | - | ≤2% | |
锰 | - | - | - | ≤2% | |
镍 | - | - | - | ≤2% | |
钛 | - | - | - | ≤2% | |
钒 | - | - | - | ≤2% | |
Cl | - | - | - | ≤0.002% | |
SO4 | - | - | - | ≤0.001% | |
水分 | - | - | - | ≤0.02% | |
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