| 指标名称 | 规格 | |
| 分析纯AR | 化学纯CP | |
含量 | ≥99.0% | ≥99.0% |
PH | 6.5~8.5 | 6.5~8.5 |
澄清度实验 | 合格 | 合格 |
水不溶物 | ≤0.005% | ≤0.01% |
氯化物 | ≤0.001% | ≤0.005% |
硫酸盐 | ≤0.005% | ≤0.03% |
总氮量 | ≤0.005% | ≤0.01% |
磷酸盐 | ≤0.001% | -- |
硅酸盐 | ≤ 0.005% | -- |
钙 | ≤0.002% | ≤0.005% |
铁 | ≤0.0005% | ≤0.002% |
铜 | ≤0.0005% | ≤0.001% |
重金属（以Pb计） | ≤0.001% | ≤0.005% |
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