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Kinetics and Mechanism of the Anodic Dissolution of Gold in a Solution of 1,2-Diaminoethane

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Abstract

The corrosion of an Au anode in a solution of 1,2-diaminoethane (EDA) is studied by means of gravimetry. It is found that the products of corrosion of an Au electrode under galvanostatic conditions are reduced on a steel cathode with the formation of an electrolytic precipitate of Au. The kinetics of the electrochemical corrosion of gold in an EDA medium is studied. It is shown that a complex of Au with EDA forms in the solution, and its structure is proposed.

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ACKNOWLEDGMENTS

The authors thank the Department of Structural Research, Institute of Organic Chemistry, Russian Academy of Sciences, for performing our electron microscopy studies.

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Authors and Affiliations

  1. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991, Moscow, Russia

    M. D. Vedenyapina, V. V. Kuznetsov, N. N. Makhova & D. I. Rodikova

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  1. M. D. Vedenyapina
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  2. V. V. Kuznetsov
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  3. N. N. Makhova
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  4. D. I. Rodikova
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Corresponding authors

Correspondence to M. D. Vedenyapina, V. V. Kuznetsov, N. N. Makhova or D. I. Rodikova.

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Translated by O. Kadkin

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Vedenyapina, M.D., Kuznetsov, V.V., Makhova, N.N. et al. Kinetics and Mechanism of the Anodic Dissolution of Gold in a Solution of 1,2-Diaminoethane. Russ. J. Phys. Chem. 93, 466–469 (2019). https://doi.org/10.1134/S0036024419020304

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