Application of the Flory-Huggins theory to the solubility of solids in glyceryl trioleate

Cary T. Chiou, Milton Manes

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The conventional thermodynamic deviation for ideal solid-liquid solubilities is modified by substituting the Flory-Huggins model for Raoult's law. A comparison of published data for eleven solides in glyceryl trioleate with the predictions of the conventional and modified equations shows that the significantly higher athermal solubilities from the modified equation are in much better agreement with the experimental data. This suggests that discrepancies between the data and the predictions of the conventional model for ideal systems result from the inappropriate use of Raoult's law for systems with significant solute-solvent size disparity rather than from specific interactions.

Original languageEnglish
Pages (from-to)243-246
Number of pages4
JournalJournal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
Volume82
Issue number1
DOIs
Publication statusPublished - 1986 Jan 1

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Raoult law
solubility
Solubility
predictions
solutes
Thermodynamics
deviation
thermodynamics
Liquids
liquids
interactions

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

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AB - The conventional thermodynamic deviation for ideal solid-liquid solubilities is modified by substituting the Flory-Huggins model for Raoult's law. A comparison of published data for eleven solides in glyceryl trioleate with the predictions of the conventional and modified equations shows that the significantly higher athermal solubilities from the modified equation are in much better agreement with the experimental data. This suggests that discrepancies between the data and the predictions of the conventional model for ideal systems result from the inappropriate use of Raoult's law for systems with significant solute-solvent size disparity rather than from specific interactions.

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