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To curve-fit or not to curve-fit: Comments on ``Water structure enhancement in water-rich binary solvent mixtures. Part II. The excess partial molar heat capacity of the water'' by Yizhak Marcus in this journal

TitleTo curve-fit or not to curve-fit: Comments on ``Water structure enhancement in water-rich binary solvent mixtures. Part II. The excess partial molar heat capacity of the water'' by Yizhak Marcus in this journal
Publication TypeJournal Article
Year of Publication2012
AuthorsKoga, Y
JournalJOURNAL OF MOLECULAR LIQUIDS
Volume175
Pagination59-60
Date PublishedNOV
ISSN0167-7322
Abstract

Comments are given to show that for calculating the composition derivative of the mother thermodynamic quantity in obtaining the partial molar quantity, the curve-fitting of the mother function followed by arithmetic differentiation of the resulting function is often dangerous. An example is provided. (C) 2012 Elsevier B.V. All rights reserved.

DOI10.1016/j.molliq.2012.08.009