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Aluminium Sulphate

Widely used in industry for water purification. It is soluble in water, insoluble in alcohol.

Synonym: Filter alum, cake alum, alum

Chemical Formula: 


Appearance: White lump and white powder

Application: -As a flocculating agent for water purification
-As a mordant in dyeing and printing
-Used to reduce the PH of garden soil
-As a foaming agent in foam fire extinguisher
-As PH controller in paper industry

Physical Properties: Noncombustible, nontoxic
MP 770 oC
pH 2.9
SG 2.71

Packing: 25 kg/bag

A12O3 (%)17
Fe (%)0.007
As (%)0.3
Water Insoluble (%)0.002