Polyurethane foams and microspheres in analytical chemistry. Improved liquid-solid, gas-solid and liquid-liquid contact via a new geometry of the solid phase

T. Braun, A. B. Farag

Research output: Contribution to journalReview article

122 Citations (Scopus)

Abstract

This review covers the following aspects: the preparation and properties of polyurethane foams and of open-pore polyurethane microspheres; the use of unloaded polyurethane foams for the separation and enrichment of inorganic and organic species in aqueous solution, and for the collection of pesticide vapours in air; and the application of polyurethane foams with physically immobilized reagents (hydrophobie reagents such as organic extractants and chelating agents, heterogeneous ion-exchange foams and inorganic precipitates). Polyurethane foams with anchored functional groups and specially treated polyurethane foams are then discussed. Finally the use of open-pore polyurethane microspheres in gas-solid chromatography, gas-liquid chromatography, and low pressure liquid chromatography is outlined.

Original languageEnglish
Pages (from-to)1-36
Number of pages36
JournalAnalytica Chimica Acta
Volume99
Issue number1
DOIs
Publication statusPublished - Jul 1 1978

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

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