TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
CHELATION [19 records]
Record 1 - internal organization data 2014-06-12
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Radiation Protection
Record 1, Main entry term, English
- chemical radiation protector
1, record 1, English, chemical%20radiation%20protector
correct, standardized
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A chemical agent that reduces the intensity of a particular radiation effect when added to a chemical or biological system. 1, record 1, English, - chemical%20radiation%20protector
Record number: 1, Textual support number: 1 OBS
The agent may be added prior to exposure, as with potassium iodide for thyroid action blocking, or after exposure, as with chelating agents for metal excretion enhancement. 1, record 1, English, - chemical%20radiation%20protector
Record number: 1, Textual support number: 2 OBS
chemical radiation protector: term and definition standardized by ISO. 2, record 1, English, - chemical%20radiation%20protector
Record 1, French
Record 1, Domaine(s)
- Chimie
- Radioprotection
Record 1, Main entry term, French
- radioprotecteur
1, record 1, French, radioprotecteur
correct, masculine noun, standardized
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Produit chimique qui réduit l’intensité d’un effet particulier du rayonnement quand il est ajouté à un système chimique ou biologique. 1, record 1, French, - radioprotecteur
Record number: 1, Textual support number: 1 OBS
L'agent peut être ajouté avant l'exposition, comme avec l'iodure de potassium pour le bloquage de l'action sur la thyroïde, ou après l'exposition, comme avec les agents de chélation, pour améliorer l'élimination du métal. 1, record 1, French, - radioprotecteur
Record number: 1, Textual support number: 2 OBS
radioprotecteur : terme et définition normalisés par l’ISO. 2, record 1, French, - radioprotecteur
Record 1, Key term(s)
- radio-protecteur
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2013-09-10
Record 2, English
Record 2, Subject field(s)
- Chemistry
- Nuclear Medicine
- Nuclear Plant Safety
- CBRNE Operations
Record 2, Main entry term, English
- chemical radiation protector
1, record 2, English, chemical%20radiation%20protector
correct, standardized
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A chemical agent that reduces the intensity of a particular radiation effect when added to a chemical or biological system. 1, record 2, English, - chemical%20radiation%20protector
Record number: 2, Textual support number: 1 OBS
The agent may be added prior to exposure, as with potassium iodide for thyroid action blocking, or after exposure, as with chelating agents for metal excretion enhancement. 1, record 2, English, - chemical%20radiation%20protector
Record number: 2, Textual support number: 2 OBS
chemical radiation protector: term and definition standardized by the International Organization for Standardization (ISO). 2, record 2, English, - chemical%20radiation%20protector
Record 2, French
Record 2, Domaine(s)
- Chimie
- Médecine nucléaire
- Sûreté des centrales nucléaires
- Opérations CBRNE
Record 2, Main entry term, French
- radioprotecteur
1, record 2, French, radioprotecteur
correct, masculine noun, standardized
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Produit chimique qui réduit l’intensité d’un effet particulier du rayonnement quand il est ajouté à un système chimique ou biologique. 1, record 2, French, - radioprotecteur
Record number: 2, Textual support number: 1 OBS
L'agent peut être ajouté avant l'exposition, comme avec l'iodure de potassium pour le blocage de l'action sur la thyroïde, ou après l'exposition, comme avec les agents de chélation, pour améliorer l'élimination du métal. 1, record 2, French, - radioprotecteur
Record number: 2, Textual support number: 2 OBS
radioprotecteur : terme et définition normalisés par l’Organisation internationale de normalisation (ISO). 2, record 2, French, - radioprotecteur
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2011-08-26
Record 3, English
Record 3, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 3
Record 3, Main entry term, English
- ethylenediamine
1, record 3, English, ethylenediamine
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- ethane-1,2-diamine 2, record 3, English, ethane%2D1%2C2%2Ddiamine
correct
- ethylene diamine 3, record 3, English, ethylene%20diamine
avoid, see observation
- 1,2-diaminoethane 4, record 3, English, 1%2C2%2Ddiaminoethane
avoid
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A chemical product which appears under the form of a colorless, alkaline liquid with an odour of ammonia, is derived by the catalytic reaction of ethylene glycol or ethylene dichloride and ammonia, and is used in the manufacture of chelating agents (EDTA), in dimethylolethylene-urea resins, in textile lubricants, as an antifreeze inhibitor, a chemical intermediate, an emulsifying agent, a fungicide and as a solvent. 5, record 3, English, - ethylenediamine
Record number: 3, Textual support number: 1 OBS
ethylene diamine: incorrect form. 2, record 3, English, - ethylenediamine
Record number: 3, Textual support number: 2 OBS
Chemical formula: C2H8N2 or NH2CH2CH2NH2 5, record 3, English, - ethylenediamine
Record 3, French
Record 3, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 3
Record 3, Main entry term, French
- éthylènediamine
1, record 3, French, %C3%A9thyl%C3%A8nediamine
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- éthane-1,2-diamine 2, record 3, French, %C3%A9thane%2D1%2C2%2Ddiamine
correct, feminine noun
- éthylène diamine 3, record 3, French, %C3%A9thyl%C3%A8ne%20diamine
avoid, feminine noun
- 1,2-diaminoéthane 2, record 3, French, 1%2C2%2Ddiamino%C3%A9thane
avoid, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Produit chimique qui se présente sous la forme d’un liquide alcalin, incolore, à odeur ammoniacale, que l'on utilise dans la fabrication des agents de chélation, comme intermédiaire chimique, fongicide et solvent. 4, record 3, French, - %C3%A9thyl%C3%A8nediamine
Record number: 3, Textual support number: 1 OBS
Formule chimique : C2H8N2 ou NH2CH2CH2NH2 4, record 3, French, - %C3%A9thyl%C3%A8nediamine
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Elementos y compuestos químicos
Entrada(s) universal(es) Record 3
Record 3, Main entry term, Spanish
- etilendiamina
1, record 3, Spanish, etilendiamina
correct, feminine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 OBS
Líquido alcalino, incoloro, de olor amoniacal, soluble en agua, alcohol, ligeramente soluble en éter, insoluble en benceno. Fuerte irritante, muy tóxico por inhalación y absorción dérmica. Inflamable. 2, record 3, Spanish, - etilendiamina
Record number: 3, Textual support number: 2 OBS
Fórmulas químicas: C2H8N2 o NH2CH2CH2NH2 3, record 3, Spanish, - etilendiamina
Record 4 - internal organization data 2011-08-02
Record 4, English
Record 4, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 4
Record 4, Main entry term, English
- 2,2'-azanediyldiacetic acid
1, record 4, English, 2%2C2%27%2Dazanediyldiacetic%20acid
correct, see observation
Record 4, Abbreviations, English
Record 4, Synonyms, English
- N-(carboxymethyl)glycine 2, record 4, English, N%2D%28carboxymethyl%29glycine
correct
- iminodiacetic acid 3, record 4, English, iminodiacetic%20acid
correct
- 2,2'-iminodiacetic acid 2, record 4, English, 2%2C2%27%2Diminodiacetic%20acid
correct
- iminodiethanoic acid 3, record 4, English, iminodiethanoic%20acid
correct
- aminodiacetic acid 2, record 4, English, aminodiacetic%20acid
- diglycin 2, record 4, English, diglycin
- diglycine 3, record 4, English, diglycine
former designation
- iminobis(acetic acid) 2, record 4, English, iminobis%28acetic%20acid%29
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
A chemical compound which is formed upon boiling chloroacetic acid with concentrated aqueous ammonia and which is used as an intermediate in the manufacture of surface active agents, complex salts and chelating agents. 4, record 4, English, - 2%2C2%27%2Dazanediyldiacetic%20acid
Record number: 4, Textual support number: 1 OBS
2,2'-azanediyldiacetic acid: form recommended by the IUPAC (International Union of Pure and Applied Chemistry). 1, record 4, English, - 2%2C2%27%2Dazanediyldiacetic%20acid
Record number: 4, Textual support number: 2 OBS
Also known under the following commercial designations: Hampshire; USAF DO-55. 4, record 4, English, - 2%2C2%27%2Dazanediyldiacetic%20acid
Record number: 4, Textual support number: 3 OBS
Chemical formula: C4H7NO4 4, record 4, English, - 2%2C2%27%2Dazanediyldiacetic%20acid
Record 4, French
Record 4, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 4
Record 4, Main entry term, French
- acide 2,2'-azanediyldiacétique
1, record 4, French, acide%202%2C2%27%2Dazanediyldiac%C3%A9tique
correct, see observation, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- acide iminodiacétique 2, record 4, French, acide%20iminodiac%C3%A9tique
correct, masculine noun
- acide diglycolamidique 2, record 4, French, acide%20diglycolamidique
former designation, masculine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Acide se présentant sous la forme de cristaux incolores, peu solubles dans l'eau, insolubles dans l'alcool, l'éther, que l'on utilise comme agent de chélation. 3, record 4, French, - acide%202%2C2%27%2Dazanediyldiac%C3%A9tique
Record number: 4, Textual support number: 1 OBS
acide 2,2’-azanediyldiacétique : forme recommandée par l’UICPA (Union internationale de chimie pure et appliquée). 1, record 4, French, - acide%202%2C2%27%2Dazanediyldiac%C3%A9tique
Record number: 4, Textual support number: 2 OBS
Formule chimique : C4H7NO4 3, record 4, French, - acide%202%2C2%27%2Dazanediyldiac%C3%A9tique
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2011-05-06
Record 5, English
Record 5, Subject field(s)
- Chemistry
Record 5, Main entry term, English
- chelate
1, record 5, English, chelate
correct, standardized
Record 5, Abbreviations, English
Record 5, Synonyms, English
- chelate compound 2, record 5, English, chelate%20compound
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A metallic complex in which the activity of the metal ion is suppressed by chelation. [Definition standardized by ISO.] 3, record 5, English, - chelate
Record number: 5, Textual support number: 1 OBS
A molecular entity in which there is chelation (and the corresponding chemical species) is called a chelate. The terms bidentate, terdentate ... multidentate are used to indicate the number of potential binding sites in the ligand, at least two of which must be used by the ligand in forming a chelate. For example, the bidentate ethylenediamine form a chelate with Cui in which both nitrogen atoms of ethylenediamine are bonded to copper. (The use of the term is often restricted to metallic central atoms.) 4, record 5, English, - chelate
Record number: 5, Textual support number: 2 OBS
chelate: term standardized by ISO. 5, record 5, English, - chelate
Record 5, French
Record 5, Domaine(s)
- Chimie
Record 5, Main entry term, French
- chélate
1, record 5, French, ch%C3%A9late
correct, masculine noun, standardized
Record 5, Abbreviations, French
Record 5, Synonyms, French
- molécule chélatée 2, record 5, French, mol%C3%A9cule%20ch%C3%A9lat%C3%A9e
feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Complexe métallique où l'activité de l'ion métal est dissimulée par chélation. [Définition normalisée par l'ISO]. 3, record 5, French, - ch%C3%A9late
Record number: 5, Textual support number: 1 OBS
Une entité moléculaire comportant une chélation, ainsi que l'espèce chimique correspondante, est appelée chélate. Les expressions bicoordinante, tricoordinante et multicoordinante sont utilisées pour indiquer le nombre de sites liants potentiels du coordinat dont au moins deux doivent être utilisés pour former un chélate. Par exemple, l'éthylènediamine bicoordinante forme avec le CuI un chélate dans lequel deux atomes d’azote de l'éthylènediamine sont liés au cuivre. On limite souvent l'utilisation de cette expression aux cas où l'atome central est un atome métallique. 4, record 5, French, - ch%C3%A9late
Record number: 5, Textual support number: 2 OBS
chélate : terme normalisé par l’ISO. 5, record 5, French, - ch%C3%A9late
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Química
Record 5, Main entry term, Spanish
- quelato
1, record 5, Spanish, quelato
correct, masculine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
Record 5, Textual support, Spanish
Record number: 5, Textual support number: 1 DEF
Tipo de compuesto de coordinación en el cual un átomo central, generalmente un metal, se une por enlaces covalentes a uno o más átomos distintos de una o más moléculas distintas o iones, formándose anillos heterocíclicos con el átomo central como parte de cada anillo. 2, record 5, Spanish, - quelato
Record 6 - internal organization data 2011-01-05
Record 6, English
Record 6, Subject field(s)
- Biological Sciences
- Biotechnology
Record 6, Main entry term, English
- chelation
1, record 6, English, chelation
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
- metal binding 2, record 6, English, metal%20binding
correct
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
Technique involving the use of transition metal compounds as a means of activating the surface of the support and allowing direct coupling of the enzyme, etc. without prior derivatization of the activated support, through formation of chelates. Supports which have been used include glass, chitin, celite, alginic acid, gelatin, poly-(4- and 5-acrylaminosalicylic acids) and cellulose, ... and they have been used to immobilize enzymes and antibiotics. 2, record 6, English, - chelation
Record 6, Key term(s)
- chelate formation
Record 6, French
Record 6, Domaine(s)
- Sciences biologiques
- Biotechnologie
Record 6, Main entry term, French
- chélation par les métaux
1, record 6, French, ch%C3%A9lation%20par%20les%20m%C3%A9taux
correct, feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
- chélation 2, record 6, French, ch%C3%A9lation
correct, feminine noun
Record 6, Textual support, French
Record number: 6, Textual support number: 1 DEF
Technique qui utilise le fait que de nombreux métaux de transition sont capables de coordonner des molécules contenant des hétéroatomes - oxygène, soufre, azote - et de former des complexes avec les composés aromatiques. Dans ce contexte, on peut coupler sur une matrice un agent chélatant comme l’acide iminoacétique, susceptible de complexer des métaux (cuivre, zinc, cobalt, nickel) et d’interagir avec les cystéines et les histidines des protéines. D’autres aminoacides - tryptophane, tyrosine, phénylalanine - peuvent être adsorbés par du cuivre et du zinc chélatés sur support inoluble. Les applications de tels supports s’étendent aux enzymes immobilisées. 3, record 6, French, - ch%C3%A9lation%20par%20les%20m%C3%A9taux
Record number: 6, Textual support number: 1 CONT
Des chercheurs activent des billes de verre, du verre poreux, du sable lavé aux acides par une solution de TiC14 [...] et ajoutent ensuite la solution d’enzyme. [...] Les sels de titane ainsi introduits permettent la liaison de l'enzyme par chélation. L'amyloglucosidase a été fixée de la sorte. 4, record 6, French, - ch%C3%A9lation%20par%20les%20m%C3%A9taux
Record 6, Spanish
Record 6, Campo(s) temático(s)
- Ciencias biológicas
- Biotecnología
Record 6, Main entry term, Spanish
- quelación
1, record 6, Spanish, quelaci%C3%B3n
feminine noun
Record 6, Abbreviations, Spanish
Record 6, Synonyms, Spanish
- formación de quelatos 2, record 6, Spanish, formaci%C3%B3n%20de%20quelatos
feminine noun
Record 6, Textual support, Spanish
Record 7 - internal organization data 2007-01-24
Record 7, English
Record 7, Subject field(s)
- Chemistry
- Anti-pollution Measures
Record 7, Main entry term, English
- chelate
1, record 7, English, chelate
correct, verb
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 DEF
To form a complex chemical compound in which an ion, usually metallic, is bound into a stable ring structure. 1, record 7, English, - chelate
Record number: 7, Textual support number: 1 OBS
[Chelation is the] process of reversible binding of a ligand, the chelator or chelating agent, to a metal ion, forming a metal complex, the chelate. 2, record 7, English, - chelate
Record 7, French
Record 7, Domaine(s)
- Chimie
- Mesures antipollution
Record 7, Main entry term, French
- chélater
1, record 7, French, ch%C3%A9later
correct, verb
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 DEF
Fixation de cations (le plus souvent métalliques) par interactions électrostatiques. 2, record 7, French, - ch%C3%A9later
Record number: 7, Textual support number: 1 CONT
Dans ce but on peut chélater les polluants avec des ligands spécifiques qui diminuent la quantité d’ions libres. 3, record 7, French, - ch%C3%A9later
Record number: 7, Textual support number: 1 OBS
[La chélation est un] processus physico-chimique de fixation d’ions positifs multivalents(calcium, plomb, mercure, etc.) par des corps dits chélateurs ou agents chélateurs. 4, record 7, French, - ch%C3%A9later
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 2007-01-19
Record 8, English
Record 8, Subject field(s)
- Chemistry
- Biotechnology
Record 8, Main entry term, English
- demineralising agent
1, record 8, English, demineralising%20agent
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
- demineralizing agent 2, record 8, English, demineralizing%20agent
correct
- chelating agent 3, record 8, English, chelating%20agent
correct
- chelant 4, record 8, English, chelant
correct
- chelator 4, record 8, English, chelator
correct
- sequestring agent 4, record 8, English, sequestring%20agent
Record 8, Textual support, English
Record number: 8, Textual support number: 1 DEF
Family of molecules that can form several bonds to a metal ion, in order to deactivate them. 5, record 8, English, - demineralising%20agent
Record number: 8, Textual support number: 1 CONT
Chelation (from Greek, chelè, meaning claw) is the process of reversible binding (complexation) of a ligand - the chelant, chelator, chelating agent, sequestering agent, or complexing agent - to a metal ion, forming a metal complex, the chelate. The term is generally reserved for complexes in which the metal ion is bound to two or more atoms of the chelating agent, although the bonds may be any combination of coordination or ionic bonds. 4, record 8, English, - demineralising%20agent
Record number: 8, Textual support number: 2 CONT
Further experiments showed that by adding a demineralising agent (EDTA) to the soil, plants could accumulate a larger quantity of metals. Testing also demonstrated that the demineralising agent facilitated the migration of metals towards the top of the plant (stems and leaves). 1, record 8, English, - demineralising%20agent
Record 8, French
Record 8, Domaine(s)
- Chimie
- Biotechnologie
Record 8, Main entry term, French
- agent déminéralisant
1, record 8, French, agent%20d%C3%A9min%C3%A9ralisant
correct, masculine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
- agent chélateur 2, record 8, French, agent%20ch%C3%A9lateur
correct, masculine noun
- chélateur 3, record 8, French, ch%C3%A9lateur
correct, masculine noun
- agent chélatant 4, record 8, French, agent%20ch%C3%A9latant
masculine noun
- chélatant 5, record 8, French, ch%C3%A9latant
masculine noun
Record 8, Textual support, French
Record number: 8, Textual support number: 1 DEF
Se dit d’un corps qui a la propriété de se lier fortement et de manière plus ou moins spécifique à un ion positif bivalent et trivalent (notamment métallique) avec lequel il forme un composé (ou chélate n. m.) dans lequel l’atome central est lié aux atomes voisins par au moins deux liaisons en formant une structure annulaire. 2, record 8, French, - agent%20d%C3%A9min%C3%A9ralisant
Record number: 8, Textual support number: 1 CONT
D’autres expériences ont démontré que l’ajout d’un agent déminéralisant (EDTA) dans les sols permettait aux plantes d’accumuler une quantité supérieure de métaux. Elles ont aussi prouvé que l’agent déminéralisant facilitait la progression des métaux vers les parties aériennes de la plantes (tiges et feuilles). 6, record 8, French, - agent%20d%C3%A9min%C3%A9ralisant
Record number: 8, Textual support number: 2 CONT
La chélation(prononcer kélassion, du grec khêlê :«pince ») est un processus physico-chimique au cours duquel est formé un complexe, le chélate, entre un complexant, dit chélateur(ou chélatant), et un métal, alors complexé, dit chélaté. 5, record 8, French, - agent%20d%C3%A9min%C3%A9ralisant
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 2006-03-08
Record 9, English
Record 9, Subject field(s)
- Pharmacology
- Dietetics
Record 9, Main entry term, English
- chelated iron
1, record 9, English, chelated%20iron
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 CONT
A number of different foods have been fortified with the chelated iron and are commercially available ..., including sugar, milk, corn flour, wheat flour, cheese, yoghurt, cookies, and margarine. 1, record 9, English, - chelated%20iron
Record 9, French
Record 9, Domaine(s)
- Pharmacologie
- Diététique
Record 9, Main entry term, French
- fer chélaté
1, record 9, French, fer%20ch%C3%A9lat%C3%A9
correct, masculine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 CONT
Les effets et la toxicité d’un élément peuvent être soit augmentés, soit diminués après chélation. Lorsqu'un élément oxydoréducteur se lie à un ligand organique, son potentiel d’oxydo-réduction est modifié mais non supprimé. C'est le cas du fer chélaté par l'éthylène diamine tétra acétate ou EDTA. 1, record 9, French, - fer%20ch%C3%A9lat%C3%A9
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 2004-02-16
Record 10, English
Record 10, Subject field(s)
- Chemistry
- Environmental Studies and Analyses
Record 10, Main entry term, English
- dissolved organic matter
1, record 10, English, dissolved%20organic%20matter
correct
Record 10, Abbreviations, English
- DOM 2, record 10, English, DOM
correct
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 CONT
Dissolved solids. The total amount of dissolved material, organic and inorganic, contained in water and wastes. Excessive dissolved solids can make water unsuitable for industrial uses, unpalatable for drinking, and even cathartic. 3, record 10, English, - dissolved%20organic%20matter
Record number: 10, Textual support number: 2 CONT
Interest in marine dissolved organic matter (DOM) is very high because it plays an important role in oceanic and global carbon cycling, which in turn impacts weather. Understanding the processes involved in the transformations of carbon, phosphorus, nitrogen, and other major elements in the oceans has been a primary goal of marine biogeochemists and oceanographers over the past decade. 2, record 10, English, - dissolved%20organic%20matter
Record 10, French
Record 10, Domaine(s)
- Chimie
- Études et analyses environnementales
Record 10, Main entry term, French
- matière organique dissoute
1, record 10, French, mati%C3%A8re%20organique%20dissoute
correct, feminine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 CONT
La matière organique dissoute joue un rôle considérable dans les phénomènes biologiques : nourriture, télémédiation chimique. En raison de sa réactivité elle intervient aussi dans les phénomènes de complexion et de chélation des métaux et d’absorption. 2, record 10, French, - mati%C3%A8re%20organique%20dissoute
Record number: 10, Textual support number: 1 OBS
matière organique : Substance chimique ayant essentiellement une structure à base de carbone et comportant des composés hydrocarbonés et leurs dérivés. 3, record 10, French, - mati%C3%A8re%20organique%20dissoute
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 2003-10-20
Record 11, English
Record 11, Subject field(s)
- Chemistry
Record 11, Main entry term, English
- chelation of a metal ion
1, record 11, English, chelation%20of%20a%20metal%20ion
correct, standardized
Record 11, Abbreviations, English
Record 11, Synonyms, English
- chelation 2, record 11, English, chelation
correct
Record 11, Textual support, English
Record number: 11, Textual support number: 1 DEF
The formation of complexes in which a metal ion is held in a ring structure, with one or more molecules having several electron-donor groups. 3, record 11, English, - chelation%20of%20a%20metal%20ion
Record number: 11, Textual support number: 2 DEF
The formation or presence of bonds (or other attractive forces) from two or more separate binding sites within the same ligand to a single central atom. 4, record 11, English, - chelation%20of%20a%20metal%20ion
Record number: 11, Textual support number: 1 OBS
chelation of a metal ion: term standardized by ISO. 5, record 11, English, - chelation%20of%20a%20metal%20ion
Record 11, French
Record 11, Domaine(s)
- Chimie
Record 11, Main entry term, French
- chélation d'ions métalliques
1, record 11, French, ch%C3%A9lation%20d%27ions%20m%C3%A9talliques
correct, feminine noun, standardized
Record 11, Abbreviations, French
Record 11, Synonyms, French
- chélation 2, record 11, French, ch%C3%A9lation
correct, feminine noun
Record 11, Textual support, French
Record number: 11, Textual support number: 1 DEF
Formation de complexes où l’ion métal est engagé en combinaison dite en anneau, avec une ou plusieurs molécules comportant plusieurs groupements donneurs d’électrons. [Définition normalisée par l’ISO.] 1, record 11, French, - ch%C3%A9lation%20d%27ions%20m%C3%A9talliques
Record number: 11, Textual support number: 2 DEF
Formation ou présence de liaisons (ou autres forces attractives) entre un atome central unique et deux ou plusieurs sites liants distincts d’un même coordinat. 3, record 11, French, - ch%C3%A9lation%20d%27ions%20m%C3%A9talliques
Record number: 11, Textual support number: 1 OBS
chélation d’ions métalliques : terme normalisé par l'ISO. 4, record 11, French, - ch%C3%A9lation%20d%27ions%20m%C3%A9talliques
Record 11, Spanish
Record 11, Campo(s) temático(s)
- Química
Record 11, Main entry term, Spanish
- quelatación
1, record 11, Spanish, quelataci%C3%B3n
feminine noun
Record 11, Abbreviations, Spanish
Record 11, Synonyms, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 2001-04-20
Record 12, English
Record 12, Subject field(s)
- Soil Science
- Crop Protection
Record 12, Main entry term, English
- siderophore
1, record 12, English, siderophore
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 CONT
Iron siderophore can be dissolved in the soil solution by the action of microbially produced siderophores. 2, record 12, English, - siderophore
Record 12, French
Record 12, Domaine(s)
- Science du sol
- Protection des végétaux
Record 12, Main entry term, French
- sidérophore
1, record 12, French, sid%C3%A9rophore
correct, masculine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
Record 12, Textual support, French
Record number: 12, Textual support number: 1 DEF
Substance qui, par un phénomène de chélation, capte les ions ferriques dans son environnement. Cette substance est ensuite récupérée par les pseudomonas grâce à des récepteurs spécifiques en surface des cellules bactériennes. 2, record 12, French, - sid%C3%A9rophore
Record 12, Spanish
Record 12, Textual support, Spanish
Record 13 - internal organization data 2000-10-19
Record 13, English
Record 13, Subject field(s)
- Biochemistry
Record 13, Main entry term, English
- intramolecular hydrogen bonding
1, record 13, English, intramolecular%20hydrogen%20bonding
correct
Record 13, Abbreviations, English
Record 13, Synonyms, English
Record 13, Textual support, English
Record number: 13, Textual support number: 1 DEF
Hydrogen bonds formed between atoms within the same molecule. 1, record 13, English, - intramolecular%20hydrogen%20bonding
Record 13, French
Record 13, Domaine(s)
- Biochimie
Record 13, Main entry term, French
- pont hydrogène intra-moléculaire
1, record 13, French, pont%20hydrog%C3%A8ne%20intra%2Dmol%C3%A9culaire
correct, masculine noun
Record 13, Abbreviations, French
Record 13, Synonyms, French
- liaison H intramoléculaire 2, record 13, French, liaison%20H%20intramol%C3%A9culaire
correct, feminine noun
Record 13, Textual support, French
Record number: 13, Textual support number: 1 DEF
Pont hydrogène(...) entre deux parties de la même molécule. On dit alors qu'il y a "chélation", appellation dérivée de l'image d’une pince de crabe(...), l'hydrogène étant serré entre deux autres atomes électronégatifs comme l'oxygène, par exemple. 1, record 13, French, - pont%20hydrog%C3%A8ne%20intra%2Dmol%C3%A9culaire
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 1999-04-20
Record 14, English
Record 14, Subject field(s)
- Chemical Elements and Compounds
Record 14, Main entry term, English
- chelate
1, record 14, English, chelate
correct, adjective
Record 14, Abbreviations, English
Record 14, Synonyms, English
Record 14, Textual support, English
Record number: 14, Textual support number: 1 DEF
Relating to, producing or characterized by a cyclic structure usu. containing five or six atoms in a ring in which a central metallic ion is held in a coordination complex by one or more groups. 1, record 14, English, - chelate
Record 14, French
Record 14, Domaine(s)
- Éléments et composés chimiques
Record 14, Main entry term, French
- chélaté
1, record 14, French, ch%C3%A9lat%C3%A9
correct
Record 14, Abbreviations, French
Record 14, Synonyms, French
Record 14, Textual support, French
Record number: 14, Textual support number: 1 DEF
[Se dit d’une] molécule ayant subi une chélation(association de 2 groupements voisins dans une molécule par l'intermédiaire de la liaison hydrogène). 1, record 14, French, - ch%C3%A9lat%C3%A9
Record number: 14, Textual support number: 1 OBS
Chélation : Fixation d’un ion métallique par un corps chimique. 2, record 14, French, - ch%C3%A9lat%C3%A9
Record 14, Spanish
Record 14, Textual support, Spanish
Record 15 - internal organization data 1998-11-16
Record 15, English
Record 15, Subject field(s)
- Pulp Preparation (papermaking)
Record 15, Main entry term, English
- chelation stage
1, record 15, English, chelation%20stage
correct
Record 15, Abbreviations, English
Record 15, Synonyms, English
- Q Stage 1, record 15, English, Q%20Stage
Record 15, Textual support, English
Record number: 15, Textual support number: 1 DEF
The step in the bleaching process where a chelating agent is added to tie up unwanted metal ions. 1, record 15, English, - chelation%20stage
Record number: 15, Textual support number: 1 CONT
The Q stage is normally a part of a TCF bleaching sequence. 1, record 15, English, - chelation%20stage
Record 15, French
Record 15, Domaine(s)
- Préparation de la pâte à papier
Record 15, Main entry term, French
- stade de chélation
1, record 15, French, stade%20de%20ch%C3%A9lation
correct, feminine noun
Record 15, Abbreviations, French
Record 15, Synonyms, French
Record 15, Textual support, French
Record number: 15, Textual support number: 1 DEF
L'étape par laquelle un agent de chélation est ajouté afin d’enlever(avec lavage) les métaux de transition. 1, record 15, French, - stade%20de%20ch%C3%A9lation
Record number: 15, Textual support number: 1 CONT
Un stade de chélation est une étape essentielle dans une séquence sans chlore(SC). 1, record 15, French, - stade%20de%20ch%C3%A9lation
Record 15, Spanish
Record 15, Textual support, Spanish
Record 16 - internal organization data 1998-03-27
Record 16, English
Record 16, Subject field(s)
- Chemistry
Record 16, Main entry term, English
- chelating power for metal ions
1, record 16, English, chelating%20power%20for%20metal%20ions
correct, standardized
Record 16, Abbreviations, English
Record 16, Synonyms, English
Record 16, Textual support, English
Record number: 16, Textual support number: 1 DEF
The effectiveness of certain molecules to form a chelate with metal ions. [Definition standardized by ISO.] 1, record 16, English, - chelating%20power%20for%20metal%20ions
Record number: 16, Textual support number: 1 OBS
chelating power for metal ions: term standardized by ISO. 2, record 16, English, - chelating%20power%20for%20metal%20ions
Record 16, Key term(s)
- metal ion chelating power
Record 16, French
Record 16, Domaine(s)
- Chimie
Record 16, Main entry term, French
- pouvoir de chélation d'ions
1, record 16, French, pouvoir%20de%20ch%C3%A9lation%20d%27ions
correct, masculine noun, standardized
Record 16, Abbreviations, French
Record 16, Synonyms, French
Record 16, Textual support, French
Record number: 16, Textual support number: 1 DEF
Degré d’aptitude de certaines molécules à former un chélate avec des ions métalliques. [Définition normalisée par l’ISO.] 1, record 16, French, - pouvoir%20de%20ch%C3%A9lation%20d%27ions
Record number: 16, Textual support number: 1 OBS
pouvoir de chélation d’ions : terme normalisé par l'ISO. 2, record 16, French, - pouvoir%20de%20ch%C3%A9lation%20d%27ions
Record 16, Spanish
Record 16, Textual support, Spanish
Record 17 - internal organization data 1998-03-18
Record 17, English
Record 17, Subject field(s)
- Chemistry
Record 17, Main entry term, English
- chelating power
1, record 17, English, chelating%20power
correct, standardized
Record 17, Abbreviations, English
Record 17, Synonyms, English
Record 17, Textual support, English
Record number: 17, Textual support number: 1 DEF
The ability of certain bodies to complex cations to form a so-called ring structure. [Definition standardized by ISO.] 2, record 17, English, - chelating%20power
Record number: 17, Textual support number: 1 OBS
chelating power: term standardized by ISO. 3, record 17, English, - chelating%20power
Record 17, French
Record 17, Domaine(s)
- Chimie
Record 17, Main entry term, French
- pouvoir de chélation
1, record 17, French, pouvoir%20de%20ch%C3%A9lation
correct, masculine noun, standardized
Record 17, Abbreviations, French
Record 17, Synonyms, French
Record 17, Textual support, French
Record number: 17, Textual support number: 1 DEF
Aptitude de certains corps à complexer des cations suivant une structure dite en anneau. [Définition normalisée par l’ISO.] 2, record 17, French, - pouvoir%20de%20ch%C3%A9lation
Record number: 17, Textual support number: 1 OBS
pouvoir de chélation : terme normalisé par l'ISO et l'AFNOR. 3, record 17, French, - pouvoir%20de%20ch%C3%A9lation
Record 17, Spanish
Record 17, Textual support, Spanish
Record 18 - internal organization data 1993-08-02
Record 18, English
Record 18, Subject field(s)
- Chemistry
Record 18, Main entry term, English
- chelate of a metal ion
1, record 18, English, chelate%20of%20a%20metal%20ion
correct, standardized
Record 18, Abbreviations, English
Record 18, Synonyms, English
Record 18, Textual support, English
Record number: 18, Textual support number: 1 DEF
A metallic complex in which the activity of the metal ion is suppressed by chelation. 1, record 18, English, - chelate%20of%20a%20metal%20ion
Record number: 18, Textual support number: 1 OBS
term standardized by ISO. 2, record 18, English, - chelate%20of%20a%20metal%20ion
Record 18, Key term(s)
- metal ion chelate
Record 18, French
Record 18, Domaine(s)
- Chimie
Record 18, Main entry term, French
- chélate d'ions métalliques
1, record 18, French, ch%C3%A9late%20d%27ions%20m%C3%A9talliques
correct, masculine noun, standardized
Record 18, Abbreviations, French
Record 18, Synonyms, French
Record 18, Textual support, French
Record number: 18, Textual support number: 1 DEF
Complexe métallique où l'activité de l'ion métal est dissimulée par chélation. 1, record 18, French, - ch%C3%A9late%20d%27ions%20m%C3%A9talliques
Record number: 18, Textual support number: 1 OBS
terme normalisé par l’ISO. 2, record 18, French, - ch%C3%A9late%20d%27ions%20m%C3%A9talliques
Record 18, Spanish
Record 18, Textual support, Spanish
Record 19 - internal organization data 1975-03-11
Record 19, English
Record 19, Subject field(s)
- Chemical Elements and Compounds
Record 19, Main entry term, English
- complexing solution 1, record 19, English, complexing%20solution
Record 19, Abbreviations, English
Record 19, Synonyms, English
Record 19, Textual support, English
Record 19, French
Record 19, Domaine(s)
- Éléments et composés chimiques
Record 19, Main entry term, French
- solution chélatante
1, record 19, French, solution%20ch%C3%A9latante
feminine noun
Record 19, Abbreviations, French
Record 19, Synonyms, French
Record 19, Textual support, French
Record number: 19, Textual support number: 1 OBS
chélation : fixation d’un ion métallique par un corps chimique qui forme avec lui une substance soluble mais non ionisée. 2, record 19, French, - solution%20ch%C3%A9latante
Record 19, Spanish
Record 19, Textual support, Spanish
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