Physico-chemical property:
Molecular formula: KCl
Molecular weight: 74.55
CAS:7447-40-7
Executive standard:GB/646-93
检验项目 | 分析纯(%) |
含量 | ≥99.5 |
外观 | 白色结晶或结晶性粉末 |
PH值(50g/L,25℃) | 5.0~8.0 |
澄清度试验 | 合格 |
水不溶物 | ≤0.005 |
碘化物(I) | ≤0.002 |
硫酸盐(SO4) | ≤0.002 |
总氮量(N) | ≤0.001 |
磷酸盐(PO4) | ≤0.0005 |
钠(Na) | ≤0.02 |
镁(Mg) | ≤0.001 |
钙(Ca) | ≤0.003 |
钡(Ba) | ≤0.001 |
铁(Fe) | ≤0.0003 |
重金属(以Pb计) | ≤0.0005 |
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