ammonium alum

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Noun1.ammonium alum - a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
Al, aluminium, aluminum, atomic number 13 - a silvery ductile metallic element found primarily in bauxite
double salt - a solution of two simple salts that forms a single substance on crystallization
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References in periodicals archive ?
Part of the range, the new Neutral Scent Free Deodorant features a complex of witch hazel, aloe vera and olive leaf that is blended with a naturally occurring mineral salt ammonium alum to combat germs, while zinc ricinoleate, derived from castor oil, acts as an effective natural deodorant without inhibiting normal perspiration.
A handful number of different industrial chemicals, such that, alumina, aluminium sulphate, sodium or ammonium alum, sodium sulphate) and sodium bisulphate were prepared from the single IP.