Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Effect of halogen ions in the electrochemical behaviour of lead in hydrochloride medium
Author(s): R. Salghi1, A. Zarrouk, Lh. Bazzi, H. Zarrouk, L. Bammou, B. Hammouti, M. Mihit, S. S. Al-DeyabThe effect of the addition of halogen ions on the electrochemical behaviour of lead in 0.3M HCl solution has been investigated by using cyclic voltammetry (CV) technique. For this purpose, 5.10-2M, 10-2M, 5.10-1M and 1M KF, KBr and KI solution were used. The results obtained show that the shape of the cyclic voltammograms is not modified in the presence of halogen ions in solution. The examination of the curves illustrates that the anodic current density of lead depends on the type of halogen and on its concentration: At low concentrations, the effect of halogen ions is related to their ionic rays. However, at high concentration, that effect follows the constants of solubility of the salts KF, KBr and KI.
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