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Kinetic and Equilibrium Studies on the Exchange Process of n-Hexanol and Cetyl Trimethyl Ammonium Bromide (CTAB) Micelles


Citation

Wan Badhi, Wan Ahmad and Suhaimi, Hamdan and Ibrahim, Ramli and Hassan, Senin (1995) Kinetic and Equilibrium Studies on the Exchange Process of n-Hexanol and Cetyl Trimethyl Ammonium Bromide (CTAB) Micelles. Pertanika Journal of Science & Technology, 3 (2). pp. 221-232. ISSN 0128-7680

Abstract / Synopsis

Kinetic studies using ultrasonic relaxation method in the mixed micellar solutions of n-hexanol dan cetyl trimethyl ammonium bromide have shown a well-defined single relaxation. This is associated with the exchange process involving the partitioning of alcohol with the mixed micelle. The equilibrium measurement which monitors the monomer concentration of n-hexanol was measured using head space analysis involving gas chromatography. The combined relaxation and equilibrium data were analysed using a phenomenological treatment in which the kinetics and thermodynamics parameters were evaluated for the exchange process. The main conclusion from this work is that the association of n-hexanol to the the mixed micelles is almost a diffusion controlled process.


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Additional Metadata

Item Type: Article
Publisher: Universiti Putra Malaysia Press
Keywords: mixed micelles, exchange process
Depositing User: Farhana Yusof
Date Deposited: 02 Dec 2009 10:57
Last Modified: 27 May 2013 15:11
URI: http://psasir.upm.edu.my/id/eprint/3869
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