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alumina

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alumina

[ə′lüm·ə·nə]
(inorganic chemistry)
Al2O3 The native form of aluminum oxide occurring as corundum or in hydrated forms, as a powder or crystalline substance.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

alumina

The oxide of aluminum; an important constituent of the clays used in brick, tile, and refractories.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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References in periodicals archive
High grade alumina crucibles, with negligible impurity, possess high resistance to chemical and heat, and can withstand inert and vacuum condition.
'The tight Western world alumina market conditions of 2018 have subsided in the first half of 2019 as curtailed supply came back on stream and new refineries ramped up.
Alumina is the feedstock for aluminium smelters and is refined from bauxite ore.
Caustic soda and bauxite are "the two most important raw materials" in the alumina refining process.
To achieve this advance, engineers devised new materials processing strategies to dissolve high concentrations of neodymium ions into alumina crystals.
Keywords: Cobalt, Alumina, Adsorption kinetics, Isotherms, Thermodynamics.
Abu Dhabi: Emirates Global Aluminium (EGA) received its first shipment of bauxite ore on Sunday as the largest industrial company in the UAE gets ready to commission the UAE's first alumina refinery next year.
Scientific research company THC BioMed Intl Ltd (CSE:THC) reported on Friday a commitment of up to USD12m with Alumina Partners (Ontario) Ltd in a private placement.
Past studies have shown that supplementary cementitious materials (SCMs) that contain alumina ([Al.sub.2][O.sub.3]) are more effective at mitigating ASR than SCMs purely rich in silica (Si[O.sub.2]), they say, citing their research on pure hydrated alumina, Al[(OH).sub.3] as a cement replacement to isolate its role in ASR mitigation.
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