Electrochemical measurement of facilitated oxygen transport through a polymer membrane containing cobaltporphyrin as a fixed carrier

Takayuki Suzuki, Hiroko Yasuda, Hiroyuki Nishide, Xue Si Chen, Eishun Tsuchida

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Oxygen permeation through solid polymer membranes is measured electrochemically by detecting the reduction current of the permeated oxygen on a carbon electrode. This method is especially effective for the measurement of facilitated oxygen transport through polymer membranes containing oxygen-specific fixed carriers, such as cobaltporphyrins, because of its high sensitivity to low permeated or downstream oxygen pressure and because it is an equal pressure process suitable for the measurement of brittle membranes with high contents of carrier molecule.

Original languageEnglish
Pages (from-to)155-160
Number of pages6
JournalJournal of Membrane Science
Volume112
Issue number2
DOIs
Publication statusPublished - 1996 Apr 17

Keywords

  • Air separation
  • Cobaltporphyrin
  • Facilitated transport
  • Polymer membrane
  • Reduction of oxygen

ASJC Scopus subject areas

  • Filtration and Separation
  • Polymers and Plastics

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