FERROUS SULPHATE HEPTAHYDRATE Extra Pure

Short Name: FERROUS SULPHATE HEPTAHYDRATE

Other Names: Iron(II) Sulphate heptahydrate

Chemical Specifications

Appearance : Light blue or blue-green or green powder or crystals

Assay : 98.5 - 104.5%

pH (5% solution in water) : 3.0 - 4.0

Chloride (Cl) : Max 0.01%

Heavy metal (as Pb) : Max 0.005%

Arsenic (As) : Max 0.0002%

Lead (Pb) : Max 0.001%

Iron (III) salts (as Fe) : Max 0.2%

Copper (Cu) : Max 0.005%

Manganese (Mn) : Max 0.1%

Mercury (Hg) : Max 0.0003%

Zinc (Zn) : Max 0.05%