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

Y.L. Yeow, Yee-Kwong Leong

Research output: Contribution to journalArticle

3 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)1047-1061
JournalJournal of Solution Chemistry
Volume36
Issue number8
DOIs
Publication statusPublished - 2007

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