ALUMINIUM SULPHATE OCTADECAHYDRATE Extra Pure

Short Name: ALUMINIUM SULPHATE OCTADECAHYDRATE

Other Names: Alum; Dialuminum sulfate octadecahydrate

Chemical Specifications

Appearance : A white crystalline powder

Assay (as AI2(SO4)3; complexometric) : 51 - 59%

pH (2% solution in water) : 2.5 - 4.0

Chloride (Cl) : Max 0.005%

Heavy metal (as Pb) : Max 0.002%

Ammonium (NH4) : Max 0.005%

Arsenic (As) : Max 0.001%

Calcium (Ca) : Max 0.02%

Iron (Fe) : Max 0.005%

Potassium (K) : Max 0.2%

Alkalies & alkaline earth metals : Max 0.4%