Article
Article
Chelation
Article By:
Martell, A. E. Department of Chemistry, Texas A&M University, College Station, Texas.
Motekaitis, R. J. Department of Chemistry, Texas A&M University, College Station, Texas.
Last reviewed:October 2019
DOI:https://doi.org/10.1036/1097-8542.126100
A chemical reaction or process involving chelate ring formation and characterized by multiple coordinate bonding between two or more of the electron-pair-donor groups of a multidentate ligand and an electron-pair-acceptor metal ion. The multidentate ligand is usually called a chelating agent, and the product is known as a metal chelate compound or metal chelate complex. Metal chelate chemistry is a subdivision of coordination chemistry and is characterized by the special properties resulting from the utilization of ligands possessing bridged donor groups, two or more of which coordinate simultaneously to a metal ion. See also: Coordination chemistry
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