Physico-chemical property:
Molecular formula:Na2SO4·10H2O
Molecular weight: 322.20
CAS:7727-73-3
Executive standard:Q/SYHG 211-2016
Item | AR(%) | Result(%) |
pH值(50g/L溶液,25℃) | 5.0~8.0 | 5.35 |
澄清度试验,号 | 合格 | 合格 |
水不溶物 | ≤0.005 | 0.0019 |
氯化物(Cl) | ≤0.001 | 0.001 |
磷酸盐(PO4) | ≤0.0005 | <0.0005 |
硝酸盐(NO3) | ≤0.001 | <0.001 |
钙(Ca) | ≤0.005 | <0.005 |
镁(Mg) | ≤0.005 | <0.005 |
铵盐(NH4) | ≤0.0005 | <0.0005 |
砷(As) | ≤0.0001 | <0.0001 |
铁(Fe) | ≤0.0004 | <0.0004 |
重金属(以Pb计) | ≤0.0005 | <0.0005 |
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