Crown ether derivatives of anthraquinone as ionophores in ion‐selective electrodes

John R. Allen, Tadeusz Cynkowski, Jayant Desai, Leonidas G Bachas

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


1,8‐anthraquinono‐18‐crown‐6 and 10‐[(2,4‐dinitrophenyl)azo]‐9‐hydroxy‐1,8‐anthraceno‐18‐crown‐6 were prepared from 1, 8‐dichloroanthraquinone and used in the development of ion‐selective electrodes. The electrodes based on 10‐[(2,4‐dinitrophenyl)azo]‐9‐hydroxy‐1,8‐anthraceno‐18‐crown‐6 displayed better selectivity for potassium over sodium and had fewer interferences. The differences and similarities between the ionophores, as well as the optimum conditions for the preparation of the electrodes are discussed.

Original languageEnglish (US)
Pages (from-to)533-537
Number of pages5
Issue number5
StatePublished - Jan 1 1992
Externally publishedYes


  • anthraquinone
  • ion selective electrode
  • Ionophore
  • potassium

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry


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