chelation

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Related to Chelant: chelate compound, chelator

che·late

 (kē′lāt′)
adj. Zoology
Having chelae or resembling a chela.
n. Chemistry
A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions.
tr.v. che·lat·ed, che·lat·ing, che·lates
1. Chemistry To combine (a metal ion) with a chemical compound to form a ring.
2. Medicine To remove (a heavy metal, such as lead or mercury) from the bloodstream by means of a chelate, such as EDTA.

che′lat·a·ble adj.
che·la′tion n.
che′la′tor n.

chelation

(ˈkiːleɪʃən)
n
1. (Chemistry) chem the process by which a chelate is formed
2. (Zoology) animal husbandry the process by which trace elements in an animal's feed are bonded to amino acids, ensuring their absorption into the animal's body
3. (Physical Geography) geology the chemical removal of metallic ions in a mineral or rock by weathering

che•la•tion

(kiˈleɪ ʃən)

n.
1. the process of chelating.
2.
a. a method of removing certain heavy metals from the bloodstream, used esp. in treating lead or mercury poisoning.
b. a controversial treatment for arteriosclerosis that attempts to remove calcium deposits from the inner walls of the coronary arteries.
[1930–35]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chelation - (medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning
physical process, process - a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls"
medical specialty, medicine - the branches of medical science that deal with nonsurgical techniques
2.chelation - the process of forming a ring by forming one or more hydrogen bonds
chemical action, chemical change, chemical process - (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
Translations
chélation

chelation

n quelación f; — therapy terapia quelante
References in periodicals archive ?
A spokesperson said: "Dow's chelants organisation in Europe faces ongoing challenging operational conditions; including the lack of a cost effective and reliable supply of a key raw material, as well as overcapacity of liquid chelant production in the region.
1986) proposed a method using a biphasic aqueous-organic extraction to eliminate the sample matrix, followed by a posterior herbicides extraction from the water phase using a chelant and anion-exchange resins before HPLC determination, achieving recoveries around 80%.
Membrane impermeability of toxic forms, exudation of chelant organic acids and carboxylate complexes in rizosphere can prevent Al-toxicity in aerial plant parts (Mengel & Kirkby 1982, Klumpp et al.
EDDS and EDTA-enhanced phytoextraction of metals from artificially contaminated soil and residual effects of chelant compounds.
Phytate was chosen because phytic acid is an inexpensive chelant that was shown to interact well with a fiber matrix (Mancosky et al.
Because of differences in metal ion contents in the wood and water from place-to-place, or even season-to-season, chelant optimization must be tailored to the specific situation.
A chelant is an organic compound that forms a chemical bond with metal through two or more of its atoms.
The absorbent consists of iron held in solution by an organic chelant.
The Low Ph Cleaner Shall Include A Ph Buffer, Chelant And Dispersant.
A spokesperson said: "Dow's chelants organisation in Europe faces ongoing challenging operational conditions including the lack of a cost effective and reliable supply of a key raw material, as well as overcapacity of liquid chelant production in the region.
Recovery of Cr was profoundly enhanced as the concentration of chelant increased.