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    (Indirect method) zinc oxide

    Zinc oxide is important organic chemical material; executive standard: GB/T3185-92; it is insoluble in water; soluble in acid, alkali and ammonium hydroxide; widely used in rubber, foaming, coating, ceramic, printing ink, enamel, electric cable and paint fields.
     

    Item
    Index
    Zinc oxide(in dry basis)%≥
    99.70
    heavy metal(Zn)
    no
    lead oxide(Pb)%≤
    0.037
    copper oxide(Cu)%≤
    0.0002
    manganic oxide(Mn)%≤
    0.0001
    manganic %≤
    0.006
    loss on ignition %≤
    0.2
    water solubles%≤
    0.10
    moisture %≤
    0.3
    residue on sieve(45μm)%≤
    0.10
    appearance
    white powder

     
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