指标名称 |
分析纯-AR |
化学纯-CP |
工业优 |
含量 |
≥99.5 |
≥98.0 |
≥98.0 |
澄清度试验 |
合格 |
合格 |
—— |
水不溶物 |
≤0.005 |
≤0.01 |
≤0.03 |
氯化物(Cl) |
≤0.0005 |
≤0.002 |
≤0.01 |
总氮量(N) |
≤0.001 |
≤0.002 |
— |
钠(Na) |
≤0.005 |
≤0.02 |
— |
钾(K) |
≤0.005 |
≤0.02 |
— |
钙(Ca) |
≤0.005 |
≤0.02 |
— |
铁(Fe) |
≤0.001 |
≤0.002 |
≤0.005 |
铜(Cu) |
≤0.001 |
≤0.005 |
≤0.01 |