ZINC SULPHATE HEPTAHYDRATE AR/ACS

Short Name: ZINC SULPHATE HEPTAHYDRATE

Other Names: White vitriol; Goslarite

Chemical Specifications

Appearance : White crystalline powder

Assay (complexometric) : 99.0-103.0%

Insoluble matter (10% in water) : Max 0.01%

pH : pH 4.4 - 6.0

Chloride (Cl) : Max 0.0005%

Calcium (Ca) : Max 0.005%

Iron (Fe) : Max 0.001%

Potassium (K) : Max 0.01%

Magnesium (Mg) : Max 0.005%

Sodium (Na) : Max 0.05%

Ammonium (NH4) : Max 0.001

Nitrate (NO3) : Max 0.002%

Manganese (Mn) : Max 0.0003%

Lead (Pb) : Max 0.003%