ALUMINIUM SULPHATE OCTADECAHYDRATE AR

Short Name: ALUMINIUM SULPHATE OCTADECAHYDRATE

Other Names: Alum; Dialuminum sulfate octadecahydrate

Chemical Specifications

Appearance : A white crystalline powder

Assay ( as AI2(SO4)3.18H2O]; complexometric) : 98 - 102%

Insoluble matter : Max 0.01%

Reaction : Min pH 2.5

Chloride (Cl) : Max 0.001%

Ammonium (NH4) : Max 0.01%

Copper (Cu) : Max 0.001%

Iron (Fe) : Max 0.002%

Heavy metal (as Pb) : Max 0.001%

Calcium (Ca) : Max 0.01%

Magnesium (Mg) : Max 0.002%

Potassium (K) : Max 0.005%

Sodium (Na) : Max 0.02%

Substance not precipitated by ammonia (as SO4) : Max 0.2%