From Liquid–Gas Chromatography to a Chromatomembrane Mass-Exchange Process

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Abstract

Abstract: We considered the physicochemical regularities and analytical capabilities of separation methods based on the manifestation of capillary effects in hydrophobic microporous media, namely, liquid–gas chromatography with a stationary gas phase in the pores of a solid-phase substrate and a mass-exchange process in liquid–gas and liquid–liquid systems, carried out in a biporous matrix. The advantages of these methods compared to conventional mass-exchange processes in the same systems in terms of higher efficiency and a possibility of the separation of substances in a continuous mode are shown.

Original languageEnglish
Pages (from-to)955-974
Number of pages20
JournalJournal of Analytical Chemistry
Volume74
Issue number10
DOIs
StatePublished - 1 Oct 2019

Scopus subject areas

  • Analytical Chemistry

Keywords

  • air
  • analysis
  • chromatomembrane methods
  • continuous separation
  • gas extraction
  • liquid absorption
  • liquid–gas chromatography
  • preconcentration
  • solvent extraction
  • water

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