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Micellization in a Mixed Alkali Soap System


Suhaimi, Hamdan and Kassim, Anuar and Che Rose, Laili (1992) Micellization in a Mixed Alkali Soap System. Pertanika, 15 (3). pp. 251-254.

Abstract / Synopsis

The solubility of sodium octanoate and sodium dodecyl sulphate (SDS) in the micelle was investigated by measuring the surface tension of the aqueous solution of surfactant mixture as a function of mole fraction of surfactants. Results indicate that the critical micelle concentration (cmc) of the mixed sU1factant falls between the cmc value of the two surfactants. The results also indicate that the rate of change of cmc value tends to be near the longer hydrocarbon chain molecule (SDS) with lower cmc value. Therefore it was concluded that the longer hydrophobic group of SDS is geometrically favour able for the micelle formation. In addition, the results indicate that SDS and sodium octanoate molecules mix ideally in the micelle solution.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Environmental Studies
Keywords: Micellization, sodium octanoate, sodium dodecyl sulphate, critical micelle concentration(erne)
Depositing User: Nur Izzati Mohd Zaki
Date Deposited: 20 Nov 2009 15:27
Last Modified: 27 May 2013 15:05
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