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Reduction of 1-nitroso-2-naphthol at a Ti/ceramic TiO2 cathode in different media

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Abstract

The cyclic voltammetric behaviour of a Ti/ceramic TiO2 cathode has been studied in 50% (v/v) ethanolic 1 m H2SO4, 0.1 m Na2SO4 and 1 m NaOH solutions, both in the absence and presence of various concentrations of added 1-nitroso-2-naphthol (NN). Catalytic reduction of NN at the Ti/ceramic TiO2 cathode occurs by the electrogenerated Ti3+ species. Galvanostatic electrolytic reduction of NN at a Ti/ceramic TiO2 cathode carried out in these media gave 1-amino-2-naphthol in high yield with a high current efficiency. The cyclic voltammetric and galvanostatic studies on the reduction of NN in these media have also been carried out at a glassy carbon electrode (GCE) for comparison.

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Author notes

  1. D. Vasudevan

    Present address: c/o Prof. Dr H. Wendt, Institut für Chemische Technologie, Technische Hochschule Darmstadt, Petersenstrasse 20, 64287, Darmstadt, Germany

Authors and Affiliations

  1. Central Electrochemical Research Institute, 623 006, Karaikudi, India

    D. Vasudevan & P. N. Anantharaman

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  1. D. Vasudevan
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  2. P. N. Anantharaman
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Vasudevan, D., Anantharaman, P.N. Reduction of 1-nitroso-2-naphthol at a Ti/ceramic TiO2 cathode in different media. J Appl Electrochem 24, 559–563 (1994). https://doi.org/10.1007/BF00249858

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  • DOI: https://doi.org/10.1007/BF00249858

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