Abstract—
The diamond electrodes-compacts with extreme high boron-doping level, and those added with platinum, were prepared at a pressure of 8–9 GPa and temperature ~2500 К from В–С, Pt–C, and Pt–C–B growth mixtures. They are highly electroactive in the reaction of ethylenediaminetetraacetic acid electrooxidation. The oxidation current is a linear function of the ethylenediaminetetraacetic acid concentration over the 0.001–0.05 g-eq/L range. This system can be basic to an electroanalytical method for the ethylenediaminetetraacetic acid determination.
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Notes
The term “compact” was coined in work [3] as applied to diamond samples obtained by thermobaric processing of graphite and boron carbide mixtures at high pressures and temperatures under the conditions of the diamond thermodynamic stability.
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Translated by Yu. Pleskov
In memory of the brilliant electrochemist Lev Krishtalik (1927–2022).
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Pleskov, Y.V., Krotova, M.D. & Ekimov, E.A. Diamond Compact Electrodes with Increased Electroactivity: Anodic Oxidation of Ethylenediaminetetraacetic Acid. Russ J Electrochem 59, 678–682 (2023). https://doi.org/10.1134/S1023193523090100
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DOI: https://doi.org/10.1134/S1023193523090100