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Zinc Sulphate Hepta crystalline Powder

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  Zinc Sulphate Hepta crystalline Powder
  Molecular Formula: ZnSO4 .7H2O
  CAS# : 7446-20-0
  Quality standard: HG/T2326-2005

Items Index

II

High-class standard First-class standard Qualified standard
Specifications Zn, % 22.51 22.06 21

ZnSO4 .7H2O, %> = 99 97 92
PH >= 3 3 3
Pb, %< = 0.001 0.01 0.01
As, %< = 0.001 0.01 0.01
Cd, % < = 0.001 0.01 0.01


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