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    Dynamic adsorption of octanols at air/water interface

    Access Status
    Fulltext not available
    Authors
    Phan, Chi
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Phan, C. 2010. Dynamic adsorption of octanols at air/water interface. Canadian Journal of Chemical Engineering. 88 (4): pp. 688-692.
    Source Title
    Canadian Journal of Chemical Engineering
    DOI
    10.1002/cjce.20341
    ISSN
    00084034
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/26808
    Collection
    • Curtin Research Publications
    Abstract

    The dynamic adsorptions of 1-, 2- and 3-octanols at air/water interface were monitored using pendant drop method. It has been found that 1-octanol had strongest interfacial effects, yet slowest rate of adsorption. The experimental data were compared with diffusion-controlled and diffusion-kinetic-mixed models. Excepting 3-octanol at 1 mM, all systems required kinetic step. The effective kinetic constant was found varying with the concentration and the carbinol position. The results highlighted the influence of hydrophobic tails on the dynamic adsorption.

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