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Aluminium Sulphate - is a chemical compound with the formula Al2(SO4)3. It is soluble in water and is mainly used as a flocculating agent in the purification of drinking water and waste water treatment plants, and also in paper manufacturing.
A 1785 (OTTO) Aluminium sulphate, 98% Cas 7784-31-8 - used in water purification and as a mordant in dyeing and printing textiles.