Iodide‐selective electrodes based on a mercury‐triisobutylphosphine sulfide complex

Sylvia Daunert, Antonio Florido, Jordi Bricker, Wes Dunaway, Leonidas G. Bachas, Manuel Valiente

Research output: Contribution to journalArticleResearchpeer-review

28 Citations (Scopus)

Abstract

Ion‐selective electrodes (ISEs) were developed by impregnating plasticized poly(vinyl chloride) membranes with a complex of triisobutylphosphine sulfide and Hg2+. The electrodes were selective for halides and thiocyanate, iodide being the preferred anion. The overall selectivity pattern of the electrodes was I−> SCN− ≈ Br− > Cl− > No 2− ≈ ClO 4− > No 3− ≈ SO 42−. The electrodes were evaluated in both batch and flow‐injection modes. Copyright © 1993 VCH Publishers, Inc.
Original languageEnglish
Pages (from-to)839-843
JournalElectroanalysis
Volume5
Issue number9-10
DOIs
Publication statusPublished - 1 Jan 1993

Keywords

  • Iodide
  • Ion selective electrodes
  • Thiocyanate

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