[article]
| Titre : |
Study of micelle properties and thermodynamics of micellization of the benzethonium chloride |
| Type de document : |
texte imprimé |
| Auteurs : |
Jarmila Oremusovà , Auteur ; Zuzana Vitkovà , Auteur ; Anton Vitko, Auteur |
| Année de publication : |
2012 |
| Article en page(s) : |
p. 322-329 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Chlorure de benzéthonium
Concentration micellaire critique
Conductimétrie
Densitométrie
Potentiométrie
Résonance magnétique nucléaire
Spectrophotométrie UV-Visible
Spectroscopie de fluorescence
Surfactants
|
| Index. décimale : |
668.1 Agents tensioactifs : savons, détergents |
| Résumé : |
The self-association of benzethonium chloride (BZCl) in aqueous solution has been analyzed as a function of temperature. The critical micelle concentration (CMC.), the degree of counterion binding (β) and thermodynamic parameters of micellization (molar Gibbs energy, enthalpy and entropy of micellization) were determined using six experimental methods (conductometry, potentiometry, UV spectrophotometry, spectrofluorimetry, NMR and densitometry) within the temperature range 20 – 50 °C. All methods used gave very similar values for CMC. Changes in the thermodynamic parameters on micellization were determined by applying a mass action model. |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=15552 |
in TENSIDE, SURFACTANTS, DETERGENTS > Vol. 49, N° 4 (07-08/2012) . - p. 322-329
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Study of micelle properties and thermodynamics of micellization of the benzethonium chloride in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 49, N° 4 (07-08/2012)
