Boron-doped diamond electrodes and microelectrode-arrays for the measurement of sulfate and peroxodisulfate

Measurements of sulfate and peroxodisulfate concentrations with boron-doped diamond (BDD) electrodes and microelectrode array electrodes have been performed in various media. Diamond electrodes allow the measurement of sulfate on the anodic side of the electrochemical window through its oxidation in...

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Veröffentlicht in:Electrochimica acta 2004-09, Vol.49 (22), p.3737-3744
Hauptverfasser: Provent, Christophe, Haenni, Werner, Santoli, Eduardo, Rychen, Philippe
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container_title Electrochimica acta
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creator Provent, Christophe
Haenni, Werner
Santoli, Eduardo
Rychen, Philippe
description Measurements of sulfate and peroxodisulfate concentrations with boron-doped diamond (BDD) electrodes and microelectrode array electrodes have been performed in various media. Diamond electrodes allow the measurement of sulfate on the anodic side of the electrochemical window through its oxidation into peroxodisulfate, and detection of peroxodisulfate on the cathodic side through the reverse reduction reaction. In all cases, current density was proportional to solution concentrations. The effect of the doping level (boron concentration) of the diamond films on these measurements was evaluated. Some industrial applications of this technology are foreseen.
doi_str_mv 10.1016/j.electacta.2004.02.047
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source ScienceDirect Journals (5 years ago - present)
subjects Amperometry
Analytical chemistry
Boron-doped diamond electrodes
Chemistry
Doping level
Electrochemical methods
Exact sciences and technology
Microelectrodes
Monitoring
Peroxodisulfate
Sulfate
Voltametry
title Boron-doped diamond electrodes and microelectrode-arrays for the measurement of sulfate and peroxodisulfate
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