Anions

Description

Any chemical compound or functional group that has a negative charge. Anions are attracted to the anode in an electrolytic solution. They generally dissolve in water and precipitate with cationic compounds. Examples of anions are hydroxyl (OH-), carbonate (CO3=), chloride (Cl-) and sulfate (SO4=).

Authority

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982

• Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976

• Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000