European Journal of Chemistry

Electrochemical study of the metal extractant 4-chloro-N-8-quinolinylbenzenesulfonamide

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Published: Dec 31, 2011
DOI: https://doi.org/10.5155/eurjchem.2.4.441-447.417
Keywords:
Voltamperometry, LIX 34, Copper, Reduction Metal extractant, Sulfonamidoquinoline
Section
Research Article
Issue
Vol. 2 No. 4 (2011): December 2011
Dates
Received 2011-03-16
Accepted 2011-05-13
Published 2011-12-31


Main Article Content

Marta Huebra
Department of Applied Physics I, Universidad del País Vasco/Euskal Herriko Unibersitatea, La Casilla 3, 48012 Bilbao, Spain
Maria Puy Elizalde
Department of Analytical Chemistry, Universidad del País Vasco/Euskal Herriko Unibersitatea, Apdo. 644, 48080 Bilbao, Spain

Abstract

The electrochemical behaviour of the reagent 4-chloro-N-8-quinolinylbenzenesulfonamide has been studied by sampled direct current and differential pulse polarography as well as by cyclic voltamperometry techniques. Three reduction waves are obtained and the reversibility and nature of the electrodic processes are discussed. The first and third reduction waves have been explained through chemical reactions and adsorption processes involving the interaction with mercury as electrodic material, whereas the second wave is attributed to the reduction process of the reagent itself. Acidity constant values of the compound in 0.1 M KCl / 25 % methanol medium through polarographic measurements are also given. The influence of the addition of copper to the hydroalcoholic solution in the electrochemical reduction of the reagent is also described.

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How to Cite
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Huebra, M.; Elizalde, M. P. Electrochemical Study of the Metal Extractant 4-Chloro-N-8-Quinolinylbenzenesulfonamide. Eur. J. Chem. 2011, 2, 441-447.

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