aluminum hydroxide

(redirected from hydrated alumina)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to hydrated alumina: Alumina trihydrate

alu′minum hydrox′ide


n.
a crystalline, water-insoluble powder, Al(OH)3 or Al2O3∙3H2O, obtained chiefly from bauxite: used in the manufacture of glass, ceramics, and printing inks, in dyeing, and as an antacid.
[1870–75]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aluminum hydroxide - white crystalline compound that occurs naturally as the mineral gibbsite
gibbsite - white crystalline mineral consisting of aluminum hydroxide; a constituent of bauxite and a source of alumina
hydrated oxide, hydroxide - a compound of an oxide with water
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
(D) Commercial high-purity alumina nanopowder is manufactured from aluminum metal and alcohol, producing high-purity aluminum alkoxide, after which hydrated alumina is produced by the hydrolysis of aluminum alkoxide, with consequent calcination [11] (Sumitomo Chemical).
Pure hydrated alumina as a cement substitute can quell alkali-silica reactivity (ASR) in cured concrete, say Tiffany Szeles, Farshad Rajabipour and Shelly Stoffels, The Pennsylvania State University, State College, Pa., and Jared Wright, Walker Restoration Consultants, Seattle, in their technical paper, Mitigation of Alkali-Silica Reaction by Al[(OH).sub.3] [alumina].
The alumina present in the sodium chromate solution was removed by adding sodium dichromate solution by maintaining the pH at about 9, sodium dichromate caused the hydrated alumina to crystallize.