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PHASE-TRANSFER CATALYSIS [2 records]
Record 1 - internal organization data 1996-11-21
Record 1, English
Record 1, Subject field(s)
- Chemical Engineering
Record 1, Main entry term, English
- phase-transfer catalysis
1, record 1, English, phase%2Dtransfer%20catalysis
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The phenomenon of rate enhancement of a reaction between chemical species located in different phases (immiscible liquids or solid and liquid) by addition of a small quantity of an agent (called the phase-transfer catalyst) that extracts one of the reactants, most commonly an anion, across the interface into the other phase so that reaction can proceed. 1, record 1, English, - phase%2Dtransfer%20catalysis
Record 1, French
Record 1, Domaine(s)
- Génie chimique
Record 1, Main entry term, French
- catalyse par transfert de phase
1, record 1, French, catalyse%20par%20transfert%20de%20phase
correct, see observation, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
L'accélération d'une réaction entre espèces chimiques se trouvant dans des phases différentes (liquides non miscibles ou liquide et solide) provoquée par l'adjonction d'une faible quantité d'un agent catalytique (appelé «catalyseur de transfert de phase»). Ce dernier fait traverser l'un des réactifs, le plus souvent un anion d'une phase dans l'autre (au travers de l'interface) permettant ainsi le déroulement de la réaction. 1, record 1, French, - catalyse%20par%20transfert%20de%20phase
Record number: 1, Textual support number: 1 OBS
Ces catalyseurs sont des sels d'ions «onium» (par exemple, les sels de tétraalkylammonium) ou des agents complexants des cations minéraux (par exemple, les éther-couronnes). Le cation du catalyseur n'est pas consommé par la réaction, bien qu'il y ait un échangeur d'anions. 1, record 1, French, - catalyse%20par%20transfert%20de%20phase
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1988-05-13
Record 2, English
Record 2, Subject field(s)
- Sciences - General
Record 2, Main entry term, English
- phase-transfer catalysis 1, record 2, English, phase%2Dtransfer%20catalysis
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, French
Record 2, Domaine(s)
- Sciences - Généralités
Record 2, Main entry term, French
- catalyse par transfert de phase
1, record 2, French, catalyse%20par%20transfert%20de%20phase
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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