Publication

Electrochemical oxidation of benzoic acid at boron-doped diamond electrodes

Christos Comninellis, Pierre-Alain Michaud
2002
Journal Articles

Abstract

The electrochem. oxidn. of benzoic acid (BA) was studied on boron-doped diamond electrodes on acid medium by cyclic voltammetry and bulk electrolysis. In the potential region where the supporting electrolyte is stable, reactions occur, resulting in the loss of activity due to electrode fouling. Electrolysis at high anodic potentials in the region of electrolyte decompn. causes complex oxidn. reactions that lead to incineration of BA. There is no indication of electrode fouling. Salicylic acid, 2,5-dihydroxybenzoic acid, and hydroquinone were detected at trace level by HPLC as sol. products during the electrolysis of BA. [on SciFinder (R)]

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https://infoscience.epfl.ch/entities/publication/46400039-f761-4bcf-88c7-826cc2729cf3

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Christos Comninellis, Pierre-Alain Michaud
2002
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/46400039-f761-4bcf-88c7-826cc2729cf3

About this result

Related concepts (32)

Cyclic voltammetry

In electrochemistry, cyclic voltammetry (CV) is a type of potentiodynamic measurement. In a cyclic voltammetry experiment, the working electrode potential is ramped linearly versus time. Unlike in linear sweep voltammetry, after the set potential is reached in a CV experiment, the working electrode's potential is ramped in the opposite direction to return to the initial potential. These cycles of ramps in potential may be repeated as many times as needed.

Voltammetry

Voltammetry is a category of electroanalytical methods used in analytical chemistry and various industrial processes. In voltammetry, information about an analyte is obtained by measuring the current as the potential is varied. The analytical data for a voltammetric experiment comes in the form of a voltammogram which plots the current produced by the analyte versus the potential of the working electrode. Voltammetry is the study of current as a function of applied potential.

Hydrodynamic voltammetry

In analytical chemistry, hydrodynamic voltammetry is a form of voltammetry in which the analyte solution flows relative to a working electrode. In many voltammetry techniques, the solution is intentionally left still to allow diffusion-controlled mass transfer. When a solution is made to flow, through stirring or some other physical mechanism, it is very important to the technique to achieve a very controlled flux or mass transfer in order to obtain predictable results.

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Electrochemical oxidation of benzoic acid at boron-doped diamond electrodes

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