Alum
Alum is a substance. It is a colourless astringent compound. Chemically, it is a hydrated double sulfate of aluminum and potassium. It is also called potash alum whose chemical formula is AlK(SO Plugin disabled
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This compound is variously used including in medicinal solutions and in dyeing and tanning industry.
Any of analogous crystalline double sulfates of a monovalent or trivalent mental is also called alum.
Nearby pages
Alum root, Alumbrado, Alumina, Aluminosilicate, Aluminous