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ECHANGEUR MONOFONCTIONNEL [4 records]
Record 1 - internal organization data 2005-04-05
Record 1, English
Record 1, Subject field(s)
- Chemical Engineering
- Water Treatment (Water Supply)
Record 1, Main entry term, English
- ion exchanger
1, record 1, English, ion%20exchanger
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- ion-exchanger 2, record 1, English, ion%2Dexchanger
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A solid or liquid, inorganic or organic substance containing exchangeable ions with others of the same charge, present in a solution in which [it] is considered to be insoluble. 3, record 1, English, - ion%20exchanger
Record number: 1, Textual support number: 1 OBS
It is recognized that there are cases where liquid exchangers are employed and where it may be difficult to distinguish between the separation process as belonging to ion exchange or liquid-liquid distribution, but the broad definition given here is regarded as that which is most appropriate. A monofunctional ion exchanger contains only one type of ionogenic group, a bifunctional ion exchanger two types and a polyfunctional ion exchanger more than one type. In a macroporous ion exchanger the pores are large compared to atomic dimensions. 3, record 1, English, - ion%20exchanger
Record number: 1, Textual support number: 1 CONT
Ion exchange is the reversible interchange of ions between a solid ion-exchange medium and a solution .... In industry both cation and anion exchanges are employed to prepare boiler feed-water, deionize or demineralize process waters .... To be effective, solid ion exchangers must (1) contain ions of their own, (2) be insoluble in water, and (3) provide enough space in their porous structure for ions to pass freely in and out of the solid. 4, record 1, English, - ion%20exchanger
Record number: 1, Textual support number: 2 CONT
Selective crystalline inorganic materials as ion exchangers in the treatment of nuclear waste solutions. 5, record 1, English, - ion%20exchanger
Record number: 1, Textual support number: 1 PHR
Inorganic ion exchanger, organic ion exchanger. 6, record 1, English, - ion%20exchanger
Record 1, French
Record 1, Domaine(s)
- Génie chimique
- Traitement des eaux
Record 1, Main entry term, French
- échangeur d'ions
1, record 1, French, %C3%A9changeur%20d%27ions
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- substance échangeuse d'ions 2, record 1, French, substance%20%C3%A9changeuse%20d%27ions
correct, feminine noun
- résine échangeuse d'ions 3, record 1, French, r%C3%A9sine%20%C3%A9changeuse%20d%27ions
avoid, see observation, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Solide ou liquide, minéral ou organique, contenant des ions capables de s’échanger avec d’autres ions de même signe présents dans une solution dans laquelle [il] est considéré comme insoluble. 4, record 1, French, - %C3%A9changeur%20d%27ions
Record number: 1, Textual support number: 1 OBS
Il est reconnu qu'il existe des cas où on utilise des échangeurs liquides, où il est difficile de déterminer si le processus de séparation en est un d’échange d’ions ou de distribution liquide-liquide; toutefois, on peut considérer que la définition générale donnée ici est appropriée. Un échangeur d’ions monofonctionnel ne contient qu'un seul type de groupe ionogène, un échangeur d’ions bifonctionnel en contient deux types et un échangeur polyfonctionnel en contient plus d’un type. Dans un échangeur d’ions macroporeux, les pores sont grandes par rapport aux dimensions atomiques. 4, record 1, French, - %C3%A9changeur%20d%27ions
Record number: 1, Textual support number: 1 CONT
Le phénomène d’échange d’ions peut être invoqué pour tout système constitué d’au moins deux phases non miscibles présentant les propriétés suivantes : - La phase solide (constituant l’échangeur d’ions) imprégnée de liquide, développe à sa surface des charges positives ou négatives qui sont alors exactement compensées par des charges de signe opposé apportées par les ions de la solution. L’ensemble {solide, ions compensateurs} constitue la phase échangeuse d’ions. Sa charge totale nette doit être nulle. 5, record 1, French, - %C3%A9changeur%20d%27ions
Record number: 1, Textual support number: 2 OBS
résine : Les échangeurs d’ions ont d’abord été des terres naturelles, puis des composés synthétiques, minéraux (silice, alginates), et organiques, ces derniers étant presque exclusivement employés actuellement sous le nom de résine. Ce terme a été généralisé à tort pour désigner l’ensemble des échangeurs. 6, record 1, French, - %C3%A9changeur%20d%27ions
Record number: 1, Textual support number: 1 PHR
Échangeur d’ions chélatant, échangeur d’ions greffé. 7, record 1, French, - %C3%A9changeur%20d%27ions
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Ingenieria química
- Tratamiento del agua
Record 1, Main entry term, Spanish
- intercambiador de iones
1, record 1, Spanish, intercambiador%20de%20iones
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1986-12-19
Record 2, English
Record 2, Subject field(s)
- Biochemistry
- Chemistry
Record 2, Main entry term, English
- polyfunctional
1, record 2, English, polyfunctional
correct, adjective
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The exchange material is monofunctional if only one variety of radicals is present, e.g. HC02, or HS03, and polyfunctional if the molecule contains simultaneously radicals of different natures and consequently different ionic strengths, for example (...) 2, record 2, English, - polyfunctional
Record number: 2, Textual support number: 2 CONT
Thiotepa is a polyfunctional agent used in the chemotherapy of certain neoplastic diseases. 3, record 2, English, - polyfunctional
Record 2, French
Record 2, Domaine(s)
- Biochimie
- Chimie
Record 2, Main entry term, French
- polyfonctionnel
1, record 2, French, polyfonctionnel
correct, adjective
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
L'échangeur est dit monofonctionnel s’il n’ existe qu'une seule variété de radicaux par exemple HC02 ou HS03, et polyfonctionnel si la molécule comporte simultanément des radicaux de nature et, par conséquent, de forces ioniques différentes(...) 1, record 2, French, - polyfonctionnel
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1981-01-26
Record 3, English
Record 3, Subject field(s)
- Chemistry
Record 3, Main entry term, English
- monofunctional exchange material
1, record 3, English, monofunctional%20exchange%20material
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
The exchange material is monofunctional if only one variety of radicals is present, e.g. HCO2, or HSO3, and polyfunctional if the molecule contains simultaneously radicals of different natures and consequently different ionic strengths, for example ... 1, record 3, English, - monofunctional%20exchange%20material
Record 3, Key term(s)
- monofunctional exchange substance
Record 3, French
Record 3, Domaine(s)
- Chimie
Record 3, Main entry term, French
- échangeur monofonctionnel
1, record 3, French, %C3%A9changeur%20monofonctionnel
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
L'échangeur est dit monofonctionnel s’il n’ existe qu'une seule variété de radicaux par exemple HCO2 ou HSO3, et polyfonctionnel si la molécule comporte simultanément des radicaux de nature et, par conséquent, de forces ioniques différentes [...] 1, record 3, French, - %C3%A9changeur%20monofonctionnel
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1981-01-26
Record 4, English
Record 4, Subject field(s)
- Chemistry
- Water Treatment (Water Supply)
Record 4, Main entry term, English
- polyfunctional exchange material
1, record 4, English, polyfunctional%20exchange%20material
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
The exchange material is monofunctional if only one variety of radicals is present, e.g. HCO2, or HS03, and polyfunctional if the molecule contains simultaneously radicals of different natures and consequently different ionic strengths, for example ... 1, record 4, English, - polyfunctional%20exchange%20material
Record 4, Key term(s)
- polyfunctional exchange substance
Record 4, French
Record 4, Domaine(s)
- Chimie
- Traitement des eaux
Record 4, Main entry term, French
- échangeur polyfonctionnel
1, record 4, French, %C3%A9changeur%20polyfonctionnel
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
L'échangeur est dit monofonctionnel s’il n’ existe qu'une seule variété de radicaux par exemple HCO2 ou HSO3, et polyfonctionnel si la molécule comporte simultanément des radicaux de nature et, par conséquent, de forces ioniques différentes [...] 1, record 4, French, - %C3%A9changeur%20polyfonctionnel
Record 4, Spanish
Record 4, Textual support, Spanish
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