Studies on a Pb2+ - selective electrode with a macrocyclic liquid membrane: Potentiometric determination of pb2+ ions-Reference-Cited by-同舟云学术

Studies on a Pb2+ - selective electrode with a macrocyclic liquid membrane: Potentiometric determination of pb2+ ions

Published:2006 Issue:12 Volume:71 Page:1345-1352
ISSN:0352-5139
Container-title:Journal of the Serbian Chemical Society
language:en
Short-container-title:JSCS

Author:

Isvoranu Marian¹,Luca Constantin²,Pleniceanu Maria¹,Spinu Cezar¹

Affiliation:

1. Faculty of chemistry, University of Craiova, Crainova

2. Faculty of industrial chemistry, Polytechnic University of Bucharest, Bucharest

Abstract

This paper presents experimental and theoretical data regarding the design, characterization and analytical applications of a non-expensive, liquid-membrane ion-selective electrode for Pb2+ ions. The membrane is a solution of the active complex formed by Pb2+ ions with dibenzo-18-crown-6-ionophore (DB-[18]-C-6) extracted in propylene carbonate (PC). The successful application of the developed electrode for the determination of Pb2+ ions in aqueos solution samples by direct potentiometry and potentiometric titration is presented. For the presented analytical results, there are insignificant systematic errors between the direct potentiometric method with the developed ion-selective electrode and atomic absorption spectrometry. .

Publisher

National Library of Serbia

Subject

General Chemistry

Reference12 articles.

1. Lead selective electrodes based on thioamide functionalized calix[4]arenes as ionophores

2. New Ag+- and Pb2+-selective electrodes with lariat crown ethers as ionophores

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4. Dicyclohexano-18-crown-6 as active material in PVC matrix membrane for the fabrication of cadmium selective potentiometric sensor

5. Selective electrodes for silver based on polymeric membranes containing calix[4]arene derivatives

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