Page 103 - Encyclopedia of Chemical Compounds 3 Vols

P. 103

ALUMINUM OXIDE

Words to Know

CATALYST A material that increases the rate DISPERSANT A substance that keeps
of a chemical reaction without undergoing another substance from clumping
any change in its own chemical structure together or becoming lumpy.
CHROMATOGRAPHY A process by which REFRACTORY Does not melt easily; able to
a mixture of substances passes through withstand high temperatures.
a column consisting of some material that
SOLVENT A substance that is able to dissolve
causes the individual components in the
one or more other substances.
mixture to separate from each other.

symptoms, such as irritation of the skin, eyes, and lungs if
present in unusually large amounts. The simplest treatment
for problems related to nuisance dusts is to move away from
the contaminated area where an adequate supply of fresh air
is available.

FOR F URT H ER INFOR M ATIO N
‘‘Aluminum Oxide, Al 2 O 3 .’’ Accuratus.
http://www.accuratus.com/alumox.html (accessed on September
19, 2005).
Frost, Randall. ‘‘Abrasives.’’ Gale Encyclopedia of Science. Edited
by K. Lee Lerner and Brenda Wilmoth Lerner. 3rd ed. Vol. 1.
Detroit, Mich.: Gale, 2004.
‘‘The Mineral Corundum.’’ Amethyst Galleries.
http://mineral.galleries.com/minerals/oxides/corundum/
corundum.htm (accessed on September 19, 2005).
Misra, Chanakya. Industrial Alumina Chemicals. Washington,
D.C.: American Chemical Society, 1986.