Product Name: Zinc Sulphate 20.92%-35.7%

CAS No.: 7446-20-0

 EINECS No.: 231-793-3

 HS.Code:2833293000

 Molecular Form: ZnSO4

 Molecular Weight:179.45

Appearance:White powder or granular.

Items Specification I Type (Zinc Sulfate Monohydrate) IIType(Zinc Sulfate Heptahydrate) High-Class First-Class QualifierHigh-Class First-Class Qualifier ( calculate Zn ) Main content (calculate ZnSO4·H2O ) ≥% 35.7 35.34 34.61 22.51 22.06 20.92(calculate ZnSO4·7H2O ) ≥% 98.0 97.0 95.0 99.0 97.0 92.0 Insolublematter content ≤% 0.020 0.050 0.10 0.020 0.050 0.10 PH value ( 50g/L ) ≥% 4.0 4.0 —— 3.0 3.0 —— Chloride ( Cl ) content ≤% 0.20 0.60—— 0.20 0.60 —— ( Pb ) content ≤% 0.002 0.007 0.010 0.002 0.0100.010 ( Fe ) content ≤% 0.008 0.020 0.060 0.005 0.020 0.060 ( Mn )content ≤% 0.01 0.03 0.05 0.01 0.10 —— ( Cd ) content ≤% 0.0020.007 0.010 0.002 0.010 —— ( Cu ) content ≤% 0.001 —— —— 0.002 ————