Application of a new phosphadithiamacrocycle to ClO4--selective CHEMFET and ion-selective electrode devices

J. Casabó, L. Escriche, C. Pérez-Jiménez, J. A. Muñoz, F. Teixidor, J. Bausells, A. Errachid

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39 Citations (Scopus)


A new dithiamacrocycle incorporating a phosphine donor group (I) has been synthesized and tested as neutral carrier in PVC membranes. ClO4--selective CHEMFET and ISE devices based on these plasticized membranes have been developed. Both devices have shown Nernstian response and a wide working pH range. Most common anions, except BF4-, do not cause interferences. The response properties and selectivity found for perchlorate ions compare favourably with the commercial and conventional ClO4- electrodes based on quaternary ammonium ion-exchange sites. This is probably the first example of perchlorate selective CHEMFETs.
Original languageEnglish
Pages (from-to)63-68
JournalAnal. Chim. Acta
Issue number1
Publication statusPublished - 20 Feb 1996


  • Ion-selective electrodes
  • Phosphadithiamacrocycle


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