Ferrous Sulfate Heptahydrate

Ferrous Sulfate Heptahydrate
Synonym Iron Sulfate Heptahydrate
CAS No. 7782 - 63 - 0 Grade : ACS
Mol. Wt. 278.01 g/mol Mol Formula : FeSO4.7H2O
Appearance Pale Bluish Green Crystals
Identity Passes Test
Test Solution(10 %W/V),Water,1 ml H2So4(96%) Clear and Bluish Green Solution
PARAMETERS ACS
Assay NLT 99.0%
PH (5% Aqueous Solution) at 25 0C 3.0 - 4.0
MAXIMUN LIMITS OF IMPURITIES
Insoluble Water 0.01%
Chloride (Cl) 0.001%
Phosphate (PO4) 0.001%
Calcium (Ca) 0.005%
Copper (Cu) 0.005%
Ferric Iron (Fe) 0.1%
Manganese (Mn) 0.05%
Magnesium (Mg) 0.002%
Potassium (K) 0.002%
Sodium (Na) 0.02%
Zinc (Zn) 0.005%
Ferrous Sulfate Heptahydrate
Synonym Iron Sulfate Heptahydrate
CAS No. 7782 - 63 - 0 Grade : AR
Mol. Wt. 278.01 g/mol Mol Formula : FeSO4.7H2O
Appearance Pale Bluish Green Crystals
Identity Passes Test
Test Solution(10 %W/V),Water,1 ml H2So4(96%) Clear and Bluish Green Solution
PARAMETERS AR
Assay NLT 99.50%
pH (5% Aqueous Solution) at 25 0C 3.0 - 4.0
MAXIMUN LIMITS OF IMPURITIES
Chloride (Cl) 0.0005%
Phosphate (PO4) 0.001%
Copper (Cu) 0.001%
Ferric Iron (Fe) 0.05%
Heavy Metals (as Pb) 0.001%
Manganese (Mn) 0.05%
Magnesium (Mg) 0.005%
Potassium (K) 0.002%
Sodium (Na) 0.02%
Zinc (Zn) 0.005%