Zinc Selective Ionophores for Potentiometric and Optical Sensors

Ernö Lindner, Mária Horváth, K. Tóth, Erno Pungor, I. Bitter, B. Ágai, L. Tőke

Research output: Article

33 Citations (Scopus)

Abstract

Iminodiacetamide derivatives were synthesized and studied as ionophores in plasticized poly(vinyl chloride) membranes with potentiometric and optical transduction. The N-benzyl and N-phenyl derivatives proved to have a distinct zinc selectivity preferring Zn2+ over Ca2+, Na+ by factors of 6x105 and 3x104, respectively. All ionophores exhibit a serious proton interference (logKPottzn + +,H1+ - 6) which suggests that all application of this type of ionophores based sensors are limited to hydrogen ion buffer solution at pH ≥ 6.

Original languageEnglish
Pages (from-to)453-470
Number of pages18
JournalAnalytical Letters
Volume25
Issue number3
DOIs
Publication statusPublished - márc. 1 1992

Fingerprint

Potentiometric sensors
Ionophores
Optical sensors
Zinc
Protons
Derivatives
Vinyl Chloride
Buffers
Membranes
Hydrogen
Sensors
Ions

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Electrochemistry
  • Biochemistry, medical
  • Clinical Biochemistry
  • Biochemistry

Cite this

Zinc Selective Ionophores for Potentiometric and Optical Sensors. / Lindner, Ernö; Horváth, Mária; Tóth, K.; Pungor, Erno; Bitter, I.; Ágai, B.; Tőke, L.

In: Analytical Letters, Vol. 25, No. 3, 01.03.1992, p. 453-470.

Research output: Article

Lindner, Ernö ; Horváth, Mária ; Tóth, K. ; Pungor, Erno ; Bitter, I. ; Ágai, B. ; Tőke, L. / Zinc Selective Ionophores for Potentiometric and Optical Sensors. In: Analytical Letters. 1992 ; Vol. 25, No. 3. pp. 453-470.
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AU - Tőke, L.

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