chelating agent

chelating agent
che·lat·ing agent 'kē-.lā-tiŋ- n chelator

* * *

a chemical compound that forms complexes by binding metal ions. Some chelating agents, including desferrioxamine and penicillamine, are drugs used to treat metal poisoning: the metal is bound to the drug and excreted safely. Chelating agents often form the active centres of enzymes.

* * *

1. a compound that combines with metal ions by means of two or more coordinating positions to form stable ring structures, e.g., heme. 2. a substance used to reduce the concentration of free metal ion in solution by complexing it. Called also metal complexing a. and chelator.

Medical dictionary. 2011.

Поможем решить контрольную работу

Look at other dictionaries:

  • chelating agent — che lat*ing a gent, n. (Chem.) a compound which forms a chelate with a metal ion. Note: Commonly used chelating agents in laboratory use are {EDTA} and {sodium citrate}. Citrate is used as an additive to blood collected in blood banks, to chelate …   The Collaborative International Dictionary of English

  • chelating agent — kompleksonas statusas Aprobuotas sritis augalininkystė apibrėžtis Medžiaga, sudaranti su katijonais chelatinį kompleksą. atitikmenys: angl. chelating agent; complexone vok. Komplexon rus. комплексон pranc. agent chélatant, m šaltinis Lietuvos… …   Lithuanian dictionary (lietuvių žodynas)

  • chelating agent — chelantas statusas T sritis chemija apibrėžtis Chelatinį žiedą sudarantis ligandas. atitikmenys: angl. chelating agent rus. хелант; хелатирующий реагент; хелатообразующий лиганд; хелатообразующий реагент …   Chemijos terminų aiškinamasis žodynas

  • chelating agent — kompleksonas statusas T sritis chemija apibrėžtis Medžiaga, sudaranti su katijonais chelatinį kompleksą. atitikmenys: angl. chelating agent; complexone rus. комплексон …   Chemijos terminų aiškinamasis žodynas

  • chelating agent — a chemical compound that forms complexes by binding metal ions. Some chelating agents, including desferrioxamine and penicillamine, are drugs used to treat metal poisoning: the metal is bound to the drug and excreted safely. Chelating agents… …   The new mediacal dictionary

  • chelating agent — /kəˈleɪtɪŋ eɪdʒənt/ (say kuh layting ayjuhnt) noun Chemistry a multivalent coordinating agent or ligand which is able to form a complex with a metal ion, the coordinated metal being present in one or more rings with the ligand …   Australian-English dictionary

  • chelating agent — Chem. a ligand that forms chelates. Also called chelator /kee lay teuhr/. * * * …   Universalium

  • chelating agent — noun Any compound that reacts with a metal ion to produce a chelate …   Wiktionary

  • chelating agent — Chem. a ligand that forms chelates. Also called chelator /kee lay teuhr/ …   Useful english dictionary

  • agent chélatant — kompleksonas statusas Aprobuotas sritis augalininkystė apibrėžtis Medžiaga, sudaranti su katijonais chelatinį kompleksą. atitikmenys: angl. chelating agent; complexone vok. Komplexon rus. комплексон pranc. agent chélatant, m šaltinis Lietuvos… …   Lithuanian dictionary (lietuvių žodynas)

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”