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Direct Evaluation of Partial Molar Volumes of Binary Solutions of Dimethyl Sulfoxide with Ethyl Acrylate, Butyl Acrylate, Methyl Methacrylate and Styrene

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Abstract

The Tikhonov regularization is applied to convert specific molar volume data of binary solutions of dimethyl sulfoxide with a number of acrylates and with styrene into their second- and first-partial derivatives with respect to mole fraction under constant temperature and pressure. Generalized Cross Validation is used to guide the selection of the regularization parameter that keeps noise amplification under control. The resulting first derivative is then used to compute the partial molar volumes. These are compared against that obtained by the traditional method of least-squares fitting of excess molar volumes. Some of the advantages of the current approach and possible extension to other partial molar quantities are briefly discussed.

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Authors and Affiliations

  1. Department of Chemical and Biomolecular Engineering, The University of Melbourne, Melbourne, Victoria, 3010, Australia

    Y. Leong Yeow

  2. School of Mechanical Engineering, The University of Western Australia, Crawley, Western Australia, 6009, Australia

    Yee-Kwong Leong

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  1. Y. Leong Yeow
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  2. Yee-Kwong Leong
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Correspondence to Y. Leong Yeow.

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Yeow, Y.L., Leong, YK. Direct Evaluation of Partial Molar Volumes of Binary Solutions of Dimethyl Sulfoxide with Ethyl Acrylate, Butyl Acrylate, Methyl Methacrylate and Styrene. J Solution Chem 36, 1047–1061 (2007). https://doi.org/10.1007/s10953-007-9166-x

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  • DOI: https://doi.org/10.1007/s10953-007-9166-x

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