Abstract
This chapter focuses on recent advances in the field of ion-exchanger-based voltammetric sensors, whose widespread use has given rise to a new electroanalytical technique named ion exchange voltammetry (IEV). The chapter starts with a brief historical overview and a short introduction to voltammetric methods of analysis, followed by the presentation of the fundamentals of ion exchange voltammetry. Analytical advantages and limits up to the most recent developments in the technique are then presented and discussed. Typical examples of application to determinations of trace concentrations of inorganic and organic electroactive molecules of interest for environmental and biomedical analysis are finally given along with future prospects.
Keywords
Selectivity Coefficient Redox Species Coated Electrode Voltammetric Peak Faradaic CurrentNotes
Acknowledgments
We wish to thank all collaborators of the Laboratory for Electrochemical Sensors of the University Ca’ Foscari of Venice (their names can be found as coauthors of many papers). Partial financial support by MIUR (Rome, Project PRIN 2008MWHCP2_001) is acknowledged.
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