Soret Coefficients in Some Water−Methanol, Water−Ethanol, and Water−Isopropanol Systems

In this article, we re-examine the published experimental values of the Soret coefficients of a few water−alcohol systems at a mean temperature of 37.5 °C, because we feel that these published values (including microgravity values) are doubtful. The main technique applied is the use of thermogravita...

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Published inThe journal of physical chemistry. B Vol. 111; no. 39; pp. 11524 - 11530
Main Authors Platten, J. K, Bou-Ali, M. M, Blanco, P, Madariaga, J. A, Santamaria, C
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 04.10.2007
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Summary:In this article, we re-examine the published experimental values of the Soret coefficients of a few water−alcohol systems at a mean temperature of 37.5 °C, because we feel that these published values (including microgravity values) are doubtful. The main technique applied is the use of thermogravitational columns to determine the thermodiffusion coefficient. The obtained values did not agree with the published values; worse, sometimes the sign was different.
Bibliography:istex:CB22591669826B3723ED3E8E3BB6792604204B26
ark:/67375/TPS-BQXTFDPB-P
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1520-6106
1520-5207
DOI:10.1021/jp074206z