hydrated aluminium oxide

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Noun

hydrated aluminium oxide - white crystalline compound that occurs naturally as the mineral gibbsite

aluminium hydroxide, aluminum hydroxide, hydrated aluminum oxide

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

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The hydrated aluminium oxide ([Al.sub.2][O.sub.3] x [H.sub.2]O) produced during pitting has a much larger volume than the corroded metal and therefore the aggregate corrosion product from a pit is seen as a small white nodule (see Figure 1).

Water quality and corrosion: considerations for nuclear reactor systems

Phosphate Reserves: Various chemical methods have been devised for determining soil P: (i) Dilute acids dissolve Ca phosphates except apatites; (ii) Concentrated acids dissolve apatites; (iii) Fluorides displace P from the surface of hydrated aluminium oxides and subsequent treatment with alkali displaces it from the surface of hydrated iron oxides; (iv) Reduction solution and iron chelating agent will remove P from below the surface of [Fe.sub.2][O.sub.3] films.