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    2
     
    Products> Zinc Carbonate Basic
     
     

    Molecular Formula: ZnCO3·2Zn (OH) 2 ·H2O

    Testing Items

    Index(FOR INDUSTRY UES ONLY)

    High-class standard

    First-class standard

    Qualified standard

    Appearance

    White powder

    Content
    Zn, % =

    57.5

    57.0

    56.5

    ignition loss %

    25-28

    25-30

    25-32

    heavy metals=%

    0.04

    0.05

    0.05

    Moisture =%

    2.5

    3.5

    5.0

    Sulphate =%

    0.6

    0.8

    -

    Fineness( Residue on 75µm Sieve)=%

    95.0

    94.0

    93.0

    Cd, =%

    0.02

    0.05

    -

    CAS# : 5970-47-8
    Quality standard: HG/T2523-2007


     





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