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    Reagent zinc oxide

    Reagent zinc oxide is a kind of zinc oxide product with high tech content. It carries out HG/T2890-1997 standard. And it has the feature of low metal impurity; widely used in reagent and battery fields.

    Item
    Index
    Zinc oxide content%≥
    99.0
    clarity test
    qualified
    insoluble in dilute sulphuric acid%≤
    0.01
    free alkali
    qualified
    chloride(Cl)%≤
    0.001
    sulfur compound(SO4)%≤
    0.01
    nitrate(NO3)%≤
    0.003
    Mn%≤
    0.0005
    Fe%≤
    0.0005
    As%≤
    0.00005
    Pb%≤
    0.005
    Potassium perman-ganate(O)%≤
    0.002
    Hydrogen sulfide not precipitate(sulfate)%≤
    0.10

     
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