Journal of Oleo Science
Online ISSN : 1347-3352
Print ISSN : 1345-8957
ISSN-L : 1345-8957
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Infrared External Reflection Spectra of Mixed Monolayers of Sodium Dodecyl Sulfate and Myristic Acid at an Air/Water Interface
Takeshi KAWAIFumie KAWAGUCHIHiroaki KAMIOKijiro KON-NO
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2002 Volume 51 Issue 1 Pages 51-55

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Abstract

The title spectra were measured at various concentrations of SDS. IER spectra demonstrated that conformational order of alkyl chains of SDS and MA and surface composition at the air/water interface was clarified. Conformational order was found to improve on increasing SDS concentration up to [SDS]=3 mM. MA showed essentially no change. The ratio of MA to SDS composition at the interface is exceeded that in bulk solution and decreased at greater SDS.

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© 2002 by Japan Oil Chemists' Society
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