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Studies of intermediates formed under the conditions of preparative electroreduction of naphthalene 1-Nitro-3,6,8-Trisulfo acid

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Abstract

The effect is studied of the conditions of preparative reduction of naphthalene 1-nitro-3,6,8-trisulfo acid, particularly, the cathode material, temperature, and current density on the yield of intermediate naphthalene 1-hydroxylamino-3,6,8-trisulfo acid. It is shown that formation of naphthalene 1-hydroxy-lamino-3,6,8-trisulfo acid in reaction solutions results not only in a decrease in the yield of target naphthalene 1-amino-3,6,8-trisulfo acid, but also in a decrease in the quality of the latter, which is manifested in a decrease in the yield into its conversion to naphthalene 1-amino-8-oxy-3,6-disulfo acid. Conditions are found for preparative reduction of naphthalene 1-nitro-3,6,8-trisulfo acid providing the lowest yield of naphthalene 1-hydroxylamino-3,6,8-trisulfo acid in reaction solutions.

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Authors and Affiliations

  1. State Scientific Center “NIOPIK”, Moscow, Russia

    A. A. Konarev

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  1. A. A. Konarev
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Correspondence to A. A. Konarev.

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Original Russian Text © A.A. Konarev, 2012, published in Elektrokhimiya, 2012, Vol. 48, No. 9, pp. 1011–1015.

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Konarev, A.A. Studies of intermediates formed under the conditions of preparative electroreduction of naphthalene 1-Nitro-3,6,8-Trisulfo acid. Russ J Electrochem 48, 922–926 (2012). https://doi.org/10.1134/S1023193512090078

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  • DOI: https://doi.org/10.1134/S1023193512090078

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