指标名称 | 规格 | 指定级 | |||||
工作基准 | 第一基准 | 优级纯 | 分析纯 | 化学纯 | 电池级 |
根据客户要求制作 | |
含量 | ≥99.95-100.05% | ≥99.98-100-02% | ≥99.8% | ≥99.8% | ≥99.8% | ≥99.5% | |
澄清度实验 | 2号 | 合格 | 合格 | 合格 | 合格 | - | |
水不溶物 | ≤0.005% | ≤0.005 | ≤0.01% | ≤0.02% | - | ||
氯化物 | ≤0.001% | ≤0.001% | ≤0.001% | ≤0.002% | ≤0.005% | ≤0.005% | |
灼烧失重 | ≤0.5 | - | ≤0.5% | ≤1.0% | ≤1.0% | - | |
硫化合物 | ≤0.003% | ≤0.003% | ≤0.003% | ≤0.005% | ≤0.01% | - | |
氮化合物 | - | - | ≤0.001% | ≤0.001% | ≤0.002% | - | |
磷酸盐和硅酸盐 | ≤0.0025% | ≤0.0025% | ≤0.0025% | ≤0.006% | ≤0.013% | - | |
总氮量 | ≤0.001% | - | ≤0.001% | ≤0.001% | ≤0.002% | - | |
镁 | ≤0.0005% | ≤0.0005% | ≤0.0005% | ≤0.002% | ≤0.005% | ≤0.002% | |
铝 | ≤0.001% | ≤0.001% | ≤0.001% | ≤0.003% | ≤0.01% | ≤0.002% | |
铅 | - | - | - | - | - | ≤0.0003% | |
硼 | - | - | - | - | - | ≤0.002% | |
铬 | - | - | - | - | - | ≤0.0003% | |
镍 | - | - | - | - | - | ≤0.002% | |
钾 | ≤0.005% | ≤0.005% | ≤0.005% | ≤0.005% | ≤0.02% | ≤0.005% | |
钙 | ≤0.01% | ≤0.005% | ≤0.005% | ≤0.01% | ≤0.02% | ≤0.005% | |
铁 | ≤0.0003% | ≤0.0003% | ≤0.0003% | ≤0.0005% | ≤0.001% | ≤0.001% | |
硫酸根 | - | - | - | - | - | ≤0.08% | |
重金属 | ≤0.0005% | ≤0.0005% | ≤0.0005% | ≤0.0005% | ≤0.001% | - | |
锌 | - | - | - | - | - | ≤0.0003% | |
铜 | - | - | - | - | - | ≤0.0003% | |
磁性物质 | - | - | - | - | - | ≤0.0003% | |
粒度 | - | - | - | - | - | D10≥1.0μm | |
4.0μm≤D50≤16.0μm | |||||||
D90≤35μm | |||||||
D100≤60μm | |||||||
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