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ANALYSE FRONTALE [2 records]
Record 1 - internal organization data 2011-05-31
Record 1, English
Record 1, Subject field(s)
- Analytical Chemistry
Record 1, Main entry term, English
- frontal chromatography
1, record 1, English, frontal%20chromatography
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- frontal analysis 2, record 1, English, frontal%20analysis
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A procedure in which the sample (liquid or gas) is fed continuously into the chromatographic bed. 3, record 1, English, - frontal%20chromatography
Record number: 1, Textual support number: 1 OBS
In frontal chromatography no additional mobile phase is used. 3, record 1, English, - frontal%20chromatography
Record number: 1, Textual support number: 2 OBS
If the components of the sample have different affinities for the stationary phase, a number of zones will be formed. The zone leading edge is called the "front", thus the name "frontal analysis." 4, record 1, English, - frontal%20chromatography
Record 1, French
Record 1, Domaine(s)
- Chimie analytique
Record 1, Main entry term, French
- analyse frontale
1, record 1, French, analyse%20frontale
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- chromatographie frontale 2, record 1, French, chromatographie%20frontale
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Technique chromatographique caractérisée par l'alimentation en continu du lit chromatographique, au moyen d'un échantillon liquide ou gazeux. 3, record 1, French, - analyse%20frontale
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química analítica
Record 1, Main entry term, Spanish
- cromatografía frontal
1, record 1, Spanish, cromatograf%C3%ADa%20frontal
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Cromatografía en la que la muestra se añade continuamente a la fase estacionaria, dando lugar a varios frentes o líneas de progresión de los distintos componentes, que se van desplazando a lo largo del lecho. 1, record 1, Spanish, - cromatograf%C3%ADa%20frontal
Record 2 - internal organization data 1997-09-10
Record 2, English
Record 2, Subject field(s)
- Analytical Chemistry
Record 2, Main entry term, English
- frontal analysis chromatography
1, record 2, English, frontal%20analysis%20chromatography
proposal
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record 2, French
Record 2, Domaine(s)
- Chimie analytique
Record 2, Main entry term, French
- chromatographie par analyse frontale
1, record 2, French, chromatographie%20par%20analyse%20frontale
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
Le problème de la composition du liquide effluent d'une colonne d'adsorbant alimentée en continu par un mélange liquide est connu depuis longtemps par les spécialistes de la chromatographie en phase liquide et concerne la chromatographie par analyse frontale. Dans le cas d'un mélange ternaire des composés 1, 2 et 3,dont les adsorbabilités vis-à-vis de l'adsorbant diminuent dans l'ordre 1 > 2 > 3, on recueille à la sortie de la colonne tout d'abord le composé le moins adsorbable 3, à l'état pur, puis un mélange 3 + 2 et enfin le mélange 3 + 2 + 1 de même composition que le mélange pénétrant dans la colonne. [...] La quantité de composé 3 pur qu'il est possible d'obtenir théoriquement (quantité dite estochiométrique) nécessite de connaître les équilibres d'adsorption des mélanges multiconstituants, équilibres dont on maîtrise mal la théorie. 1, record 2, French, - chromatographie%20par%20analyse%20frontale
Record 2, Spanish
Record 2, Textual support, Spanish
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