指标名称 | 规格 | |||
工作基准PT | 分析纯AR | 化学纯CP | 电池级 | |
含量 | ≥99.95-100-05% | ≥99.8% | ≥99.8% | ≥99.8% |
澄清度试验 | 2号 | 合格 | 合格 | - |
PH | - | 7.5-8.5 | - | - |
水不溶物 | - | ≤0.01% | ≤0.01% | - |
干燥失重 | ≤0.01% | ≤0.02% | ≤0.02% | - |
氯化物 | ≤0.001% | ≤0.002% | ≤0.002% | - |
硫化合物 | ≤0.002% | ≤0.004% | ≤0.004% | - |
总氮量 | ≤0.001% | ≤0.002% | ≤0.002% | - |
钾 | ≤0.005% | ≤0.001% | ≤0.01% | ≤0.002% |
铁 | ≤0.0005% | ≤0.0005% | ≤0.0005% | ≤0.0005% |
重金属 | ≤0.001% | ≤0.002% | ≤0.002% | - |
易炭化物质 | 合格 | 合格 | 合格 | - |
水分 | - | - | - | ≤0.02% |
硫酸根 | - | - | - | ≤0.001% |
氯离子 | - | - | - | ≤0.001% |
锂 | - | - | - | ≤0.0003% |
钙 | - | - | - | ≤0.0005% |
铜 | - | - | - | ≤0.0005% |
镍 | - | - | - | ≤0.0005% |
铬 | - | - | - | ≤0.0005% |
镁 | - | - | - | ≤0.0005% |
锰 | - | - | - | ≤0.0005% |
锌 | - | - | - | ≤0.0005% |
铅 | - | - | - | ≤0.0005% |
铝 | - | - | - | ≤0.0005% |
|