Zinc Sulfate Monohydrate

Zinc Sulfate Monohydrate
CAS No. 46 - 19 - 7 Grade : GR
Mol. Wt. 179.47 g/mol Mol Formula : ZnSO4.H2O
Appearance Colorless Crystals or white Crystalline Powder
Identity Zn - Passes Test
SO4 - Passes Test
Test Solution(10 %W/V),Water Clear and Colorless Solution
PARAMETERS LR
Assay 99.50 - 100.50%
pH(5% Aqueous Solution) at 250C 4.00 - 5.20
MAXIMUN LIMITS OF IMPURITIES
Loss on Drying 1%
Chloride(Cl) 0.002%
Alkalies and Alkaline earths 0.7%
Arsenic(As) 0.0005%
Free AcidPasses TestHeavy Metals(as Pb) 0.003%
Iron (Fe) 0.002%