Article fast potentiometric analysis of lead in aqueous medium under competitive conditions using an acridono-crown ether neutral ionophore

Ádám Golcs, Viola Horváth, Péter Huszthy, Tünde Tóth

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Lead is a particularly toxic heavy metal that is present above acceptable levels in the water of many countries. This article describes a quick detection method of lead(II) ions using a polyvinyl chloride (PVC)-based ion-selective membrane electrode containing an acridono-crown ether ionophore by potentiometry. The electrochemical cell exhibits a Nernstian response for lead(II) ions between the concentration range of 10-4 to 10-2 M, and can be used in the pH range of 4-7. The applicability of this sensor was verified by measuring a multicomponent aqueous sample. Under the given conditions, this electrode is suitable for the selective quantitative analysis of lead(II) ions in the presence of many additional metal ions.

Original languageEnglish
Article number1407
JournalSensors (Switzerland)
Volume18
Issue number5
DOIs
Publication statusPublished - May 3 2018

Keywords

  • Crown ether
  • Electrochemical sensor
  • Ion-selective membrane
  • Lead detection
  • Molecular recognition

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Electrical and Electronic Engineering

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