Correlation of partial molar heats of transfer at infinite dilution by a linear solvation energy relationship

Steven R. Sherman, David Suleiman, Mitchell J. Hait, Martin Schiller, Charles L. Liotta, Charles A. Eckert, Jianjun Li, Peter W. Carr, Russell B. Poe, Sarah C. Rutan

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Linear solvation energy relationships and solvatochromic parameters have been used to develop an improved relationship for the partial molar heats of transfer of an infinitely dilute solute in nonionic solutions which appears to be accurate to ±4% for the database tested. This result has been coupled with a thermodynamic cycle in order to develop a corresponding correlation for the partial molar excess enthalpy at infinite dilution, hE∞. However, because this result represents the difference of large numbers, the accuracy of prediction of hE∞ is only accurate to about ±28%. The correlation presented provides the insight for understanding, on a chemical and physical basis, the temperature effect on the phase equilibria of dilute solutions.

Original languageEnglish (US)
Pages (from-to)11239-11247
Number of pages9
JournalJournal of physical chemistry
Volume99
Issue number28
DOIs
StatePublished - 1995

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