氯化钠，工业盐，试剂盐。各种规格型号，都有货，随时联系项目 | 分析纯 (A R) | 化学纯 (C P) |
含量% | ≥99. | ≥99.5 |
澄清度试验 | 合格 | 合格 |
水不溶物% | ≤0.005 | ≤0.02 |
干燥失重% | ≤0.5 | ≤0.5 |
碘化物（I）% | ≤0.002 | ≤0.012 |
溴化物（Br）% | ≤0.01 | ≤0.05 |
硫酸盐（SO4）% | ≤0.002 | ≤0.005 |
氮化合物（以N计）% | ≤0.001 | ≤0.003 |
磷酸盐（PO4）% | ≤0.001 | —— |
镁（Mg）% | ≤0.002 | ≤0.005 |
钾（K）% | ≤0.02 | ≤0.04 |
钙（Ca）% | ≤0.005 | ≤0.01 |
亚铁***% | ≤0.0001 | —— |
铁（Fe）% | ≤0.0002 | ≤0.0005 |
砷（As）% | ≤0.00005 | ≤0.0001 |
钡（Ba）% | ≤0.001 | ≤0.001 |
重金属（以Pb计）% | ≤0.0005 | ≤0.001 |