Sodium-selective polymeric membrane electrodes based on calix[4]arene ionophores

Aodhmar M. Cadogan, Dermot Diamond, Malcolm R. Smyth, Mary Deasy, M. Anthony McKervey, Stephen J. Harris

Research output: Contribution to journalArticlepeer-review

Abstract

Sodium-selective electrodes were prepared with polymeric membranes containing ester and ketone derivatives of p-tert-butyl calix[4]arene. The electrodes were prepared with 2-nitrophenyl octyl ether as the solvent mediator and potassium tetrakis(p-chlorophenyl)borate as the ion exchanger in a poly(vinyl chloride) matrix. Several of the ligands examined produced electrodes with near-Nernstian slopes, detection limits of ca. 10-5 M for sodium and excellent selectivity against a range of common cations.

Original languageEnglish
Pages (from-to)1551-1554
Number of pages4
JournalAnalyst
Volume114
DOIs
Publication statusPublished - 1989
Externally publishedYes

Keywords

  • Calixarene
  • Ion-selective electrode
  • Ionophore
  • Phase transfer study

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