Determination of liquid-gas partition coefficients of BuA and MMA by headspace-gas chromatography utilizing the phase ratio variation method

Zoi Kechagia, Costas Kiparissides, Ioannis Economou

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The phase variation method is described and applied in order to determine liquid/gas partition coefficients of monomers in aqueous solutions as well as the effect of the presence of one monomer to the partition coefficient of the other. The method is based on the relationship between reciprocal peak area and the phase ratio in the vial containing the sample solution. It involves regression analysis of headspace gas chromatography measurements of a number of sample vials with a variation of phase ratios. The method is applied in the case of the monomers butyl acrylate and methyl methacrylate. Experimental data for the partition coefficient of the two acrylates are modeled with the Statistical-Associating-Fluid Theory (SAFT).

Original languageEnglish
Pages (from-to)21-30
Number of pages10
JournalFluid Phase Equilibria
Volume266
Issue number1-2
DOIs
Publication statusPublished - 25 Apr 2008
Externally publishedYes

Fingerprint

calculus of variations
gas chromatography
Gas chromatography
partitions
monomers
Monomers
Gases
acrylates
Liquids
coefficients
liquids
Acrylates
gases
Methacrylates
Regression analysis
regression analysis
aqueous solutions
Fluids
fluids

Keywords

  • Gas chromatography
  • Partition coefficient determination
  • SAFT theory

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Physical and Theoretical Chemistry

Cite this

Determination of liquid-gas partition coefficients of BuA and MMA by headspace-gas chromatography utilizing the phase ratio variation method. / Kechagia, Zoi; Kiparissides, Costas; Economou, Ioannis.

In: Fluid Phase Equilibria, Vol. 266, No. 1-2, 25.04.2008, p. 21-30.

Research output: Contribution to journalArticle

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