指标名称 | 规格 | |||||
优级纯GR | 分析纯AR | 化学纯CP | 电子级I | 电子级II | 化妆品级 | |
含量 | ≥85% | ≥82.0% | ≥80.0% | ≥95.0% | ≥90.0% | 化妆品级报送码： 005432-03819-4352 |
碳酸钾 | -- | -- | -- | ≤0.5% | ≤0.5% | |
碳酸盐 | ≤1.0% | ≤2.0% | ≤2.0% | -- | -- | |
澄清度实验 | 合格 | 合格 | 合格 | -- | -- | |
氯化物 | ≤0.005% | ≤0.01% | ≤0.025% | ≤0.005% | ≤0.005% | |
硫酸盐 | ≤0.003% | ≤0.005% | ≤0.01% | ≤0.002% | ≤0.002% | |
氮化合物 | - | - | - | -- | -- | |
硝酸盐及亚硝酸盐 | -- | -- | -- | ≤0.0002% | ≤0.0002% | |
总氮量 | ≤0.0005% | ≤0.001% | ≤0.005% | -- | -- | |
磷酸盐 | ≤0.001% | ≤0.005% | ≤0.01% | ≤0.002% | ≤0.002% | |
硅酸盐 | ≤0.01% | ≤0.02% | ≤0.1% | ≤0.005% | ≤0.005% | |
钠 | ≤1.0% | ≤2.0% | ≤2.0% | ≤0.4% | ≤0.4% | |
镁 | -- | -- | -- | ≤1mg/kg | ≤1mg/kg | |
铅 | -- | -- | -- | ≤1mg/kg | ≤1mg/kg | |
钴 | -- | -- | -- | ≤0.5mg/kg | ≤0.5mg/kg | |
铬 | -- | -- | -- | ≤0.5mg/kg | ≤0.5mg/kg | |
铜 | -- | -- | -- | ≤1mg/kg | ≤1mg/kg | |
铝 | ≤0.002% | ≤0.005% | -- | ≤1mg/kg | ≤1mg/kg | |
钙 | ≤0.003% | ≤0.005% | ≤0.02% | ≤5mg/kg | ≤5mg/kg | |
铁 | ≤0.0005% | ≤0.001% | ≤0.002% | ≤1mg/kg | ≤1mg/kg | |
锌 | ≤0.001% | -- | -- | ≤1mg/kg | ≤1mg/kg | |
镍 | ≤0.0001% | ≤0.0005% | -- | ≤1mg/kg | ≤1mg/kg | |
重金属 | ≤0.001% | ≤0.002% | ≤0.003% | ≤0.001% | ≤0.001% | |
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