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Products > Zinc Sulphate Heptahydrate
 
 

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

-

 


 





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