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

Wan Badhi, Wan Ahmad, Suhaimi, Hamdan, 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

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Abstract

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.

Item Type:Article
Keyword:mixed micelles, exchange process
Publisher:Universiti Putra Malaysia Press
ID Code:3869
Deposited By: Farhana Yusof
Deposited On:02 Dec 2009 02:57
Last Modified:27 May 2013 07:11

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