Facilitated Ion Tranfer reactions across oil|water interfaces based on different competitive ligands

JULIA I GARCÍA; RODRIGO A IGLESIAS; SERGIO A DASSIE

JOURNAL OF ELECTROANALYTICAL CHEMISTRY

Elsevier

Año: 2005 vol. 580 p. 255 - 255

0022-0728

span lang="en" style="FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; mso-fareast-font-family: AdvPSTim; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">In this paper we present the general equations for facilitated ion transfer reactions across oil|water interfaces based on different competitive ligands, i.e. the transfer of a cation that, under given conditions, is assisted by a mechanism that involves ligand exchange.The obtained results agree with the general voltammetric criteria reported by Girault and co-workers [F.Reymond, P.-A.Carrupt,H.H.Girault,J.Electroanal.Chem.449 (1998)49;F.Reymond,G.Lagger,P.-A.Carrupt,H.H.Girault,J.Electroanal.Chem.451 (1998)59] for the facilitated transfer of a unique cation assisted by a neutral ligand. The equations reported in this paper grant to simulate the system under all possible conditions. The results are interpreted for different zones determined by the ratio of cation and ligand concentrations.