Zinc sulfate

Zinc sulfate heptahydrate, also known as zinc vitriol, goslarite; molecular formula: ZnSO4·7H2O; molecular weight: 287.54

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Positive electrode plate

  • Descriptioin
    • Commodity name: Zinc sulfate
    • Commodity ID: 1113487160360194048

    Zinc sulfate heptahydrate, also known as zinc vitriol, goslarite; molecular formula: ZnSO4·7H2O; molecular weight: 287.54

    Zinc sulfate heptahydrate, also known as zinc vitriol, goslarite; molecular formula: ZnSO4·7H2O; molecular weight: 287.54

    Appearance and property: colorless orthorhombic crystal, particle or powder, odorless, astringent.

    As the main raw material to manufacture charlton white and zinc salt, zinc sulfate heptahydrate can be used as printing and dyeing mordant, wood and leather preservative and pharmaceutical vomitory, and also be applied to prevent disease of fruit tree and nursery and manufacture cable. It is also a significant auxiliary raw material to produce viscose and vinylon fiber. Besides, it is also applied to electroplate and electrolysis industries.

    Technical index of zinc sulfate heptahydrate HG/T2326-2015

     

    Item

    HG/T2326-2015

    Superior product

    Top quality product

    Qualified product

    Main content

    Mass fraction based on (Zn) ,% ≥

    22.51

    22.06

    20.92

    Mass fraction based on (ZnSO4·7H2O) ,% ≥

    99.0

    97.0

    92.0

    Mass fraction of insoluble substance ,% ≤

    0.02

    0.05

    0.10

    PH value (50g/L solution) ,% ≤

    3.0

    3.0

    -

    Mass fraction of chloridate (based on Cl) ,% ≤

    0.20

    0.60

    -

    Mass fraction of lead (Pb) ,% ≤

    0.001

    0.005

    0.010

    Mass fraction of iron (Fe) ,% ≤

    0.002

    0.01

    0.050

    Mass fraction of manganese (Mn) ,% ≤

    0.005

    0.05

    -

    Mass fraction of cadmium (Cd) ,% ≤

    0.001

    0.005

    0.010

    Mass fraction of chromium (Cr) ,% ≤

    0.0005

    -

    -

     

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