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    Products > Zinc Sulphate Monohydrate
     
     

    Molecular Formula: ZnSO4 .H2O

    Testing Items

    Percentage

    National Standard

    Internal Standard

    Appearance

     

    White powder

    White powder

    Zinc Sulphate content

    %

    >= 94.7

    >=96.09

    Zn

    %

    >= 34.5

    >=35.0

    Pb

    %

    <= 0.001

    <= 0.001

    As

    %

    <=0.0005

    <= 0.0005

    Cd

    %

    <= 0.001

    <= 0.0008

    Fineness 60~80 mesh

    %

    >=95

    >=95


    Feature : 60~80 mesh White powder
    CAS# : 7446-19-7
    Quality standard: GB/T25865-2010
    Hs code:2833293000
     
     
     

    The product is creamy white spherical particle, and the particle size with 1-2mm and 2-4mm are available. The particle compression resistance is 2kg. It is made by kneading & granulating zinc sulphate powder. It is easy to absorb moisture, and is soluble in water but not in acetone.
    Quality standard:Can be customized according to customer requirements.

     
     
     
    Molecular Formula: ZnSO4 .7H2O

    Items

    Index

    II

    High-class standard

    First-class standard

    Qualified standard

    Specifications

    Zn, %

    22.51

    22.06

    20.92

    ZnSO4 .7H2O, %> =

    99.0

    97.0

    92.0

    Insoluble percentage ,, %< =

    0.02

    0.05

    0.10

    PH >=

    3.0

    3.0

    -

    Pb, %< =

    0.001

    0.010

    0.010

    Fe, %< =

    0.003

    0.020

    0.060

    Mn, % < =

    0.005

    0.1

    -

    Cd, % < =

    0.001

    0.010

    -


    National standard: HG/T2326-2005
     
    CAS# : 5970-47-8
    Quality standard: HG/T2523-93
     
     
     

    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

     
     
     

    Molecular Formula: ZnO

    Items

    Index

    1st Grade

    2nd Grade

    ZnO %

    95-98

    95-98

    Moisture %

    0.8

    0.8

    Water Insolubles %

    0.7

    1.0

    Ignition Loss %

    1-4

    1-4

    HCl Insolubles %

    0.04

    0.04

    Pb % =

    0.003

    0.005

    Mn % =

    0.0008

    0.0008

    Cu % =

    0.0008

    0.0008

    Cd % =
    0.004
    0.004

    Residue on 45µm Sieve % =

    0.1

    0.1

    Specific Area ? /g =

    45

    35

    Bulk Density g/ml =

    0.35

    0.4

    CAS# : 1314-13-2
    Quality standard: HG/T2572-2012

     


     





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