Sodium chloride
Physico-chemical property:
Molecular formula:NaCl
Molecular weight: 58.44
CAS:7647-14-5
Executive standard:GB/T 1266
Item | AR |
六氰合铁(Ⅱ)酸盐[以Fe(CN)6计],% | ≤0.0001 |
含量,% | ≥99.5 |
钡(Ba),% | ≤0.001 |
澄清度试验 | 合格 |
总氮量(N),% | ≤0.001 |
硫酸盐(SO4),% | ≤0.002 |
磷酸盐(PO4),% | ≤0.001 |
溴化物(Br),% | ≤0.01 |
碘化物(I),% | ≤0.002 |
干燥失量,% | ≤0.5 |
水不溶物,% | ≤0.005 |
重金属(以Pb计),% | ≤0.0005 |
镁(Mg),% | ≤0.002 |
钾(K),% | ≤0.02 |
钙(Ca),% | ≤0.005 |
铁(Fe),% | ≤0.0002 |
砷(As),% | ≤0.00005 |
pH值(50g/L,25℃) | 5.0~8.0 |