Solubility and solution thermodynamics of myo-inositol in (water+acetic acid) binary solvent mixtures

Yonghong Hu, Wenbiao Zhi, Mengmeng Liang, Zheng Cao, Wenge Yang

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

In this paper, we focused on solubility and solution thermodynamics of myo-inositol. By gravimetric method, the solubility of myo-inositol was measured in (water. +. acetic acid) binary solvent mixtures from 278.15. K to 333.15. K under atmosphere pressure. The solubility data were fitted using modified Apelblat equation, a variant of the combined nearly ideal binary solvent/Redich-Kister (CNIBS/R-K) model and Jouyban-Acree model. The three models were all proven to give good agreement with the experiment data, and modified Apelblat equation was the best. By means of van't Hoff analysis, the enthalpy, entropy and Gibbs energy were calculated, which indicated that the dissolving process was nonspontaneous.

Original languageEnglish
Pages (from-to)58-63
Number of pages6
JournalFluid Phase Equilibria
Volume365
DOIs
StatePublished - 15 Mar 2014

Keywords

  • Apelblat equation
  • CNIBS/R-K
  • Jouyban-Acree model
  • Myo-Inositol
  • Van't Hoff analysis

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