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alt label
aluminium oxide more like this
definition Alumina is a fairly chemically inert and white chemical compound of aluminium and oxygen with the chemical formula Al2O3. It is the most commonly occurring of several aluminium oxides, and specifically identified as aluminium(III) oxide. It may also be called aloxide, aloxite, or alundum depending on particular forms or applications. Used as filler in plastic and cosmetics, as a catalyst. Corundum used as an abrasive is considered and industrial mineral. more like this
notation more like this
Alum more like this
source more like this
broader chemical oxide product
narrower alumina
in scheme commodity code
is primary topic of alumina