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                硫酸鋅  
                 
                 
                 
                     
                 
                 
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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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