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連絡先担当者 Mr. Chris
No.43 Dongyue Street, Linyi China, Linyi, Shandong
Molecular formula: ZnSO4.H2O
CAS No.******6
Properties: white flow powder
Uses: the material of lithopone and zinc salt; auxiliary material
of viscose and vinylon. Or used as mordant, conservant and
bactericide, or used in plating, flotation, disease of fruit and
treatment of recirculated cooling water and fertilizer
Standard:HG/T ********5
Item Index
First grade Second grade
Main assay Mass fraction (based on Zn), %
≥ *2.*1 *2.*6
Mass fraction (based on ZnSO4.H2O ), %
≥ *8.0 *7.0
Mass fraction of insoluble matter, % ≤ 0.**0 0.**0
pH *0g/L Solution ≥ 4.0 4.0
Mass fraction of chloride, % ≤ 0.*0 0.*0 -
Mass fraction of Pb, % ≤ 0.**2 0.**7
Mass fraction of Fe, % ≤ 0.**8 0.**0
Mass fraction of Mn, % ≤ 0.*1 0.*3
Mass fraction of Cd, % ≤ 0.**2 0.**7
