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Exothermic Processes in Nitric Solutions Containing Acetohydroxamic Acid

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Radiochemistry Aims and scope

Abstract

The thermal stability of 5–12 M HNO3 solutions containing 5–50 g/L acetohydroxamic acid was studied at atmospheric and above atmospheric pressure. It was established that at temperatures below the boiling point, solutions undergo weak exothermic oxidation processes, accompanied by gas evolution. The problem of explosion safety in the evaporation of nitric acid solutions containing acetohydroxamic acid is analyzed based on the obtained characteristics of exothermic processes.

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ACKNOWLEDGMENTS

The study was carried out on the equipment of the Center for Collective Use of the FMS IPCE RAS and URF CRCR IPCE RAS.

Funding

The study was supported by the Ministry of Science and Higher Education of the Russian Federation.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071, Moscow, Russia

    E. V. Belova, E. R. Nazin, V. V. Kalistratova & A. S. Obedkov

Authors
  1. E. V. Belova
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  2. E. R. Nazin
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  3. V. V. Kalistratova
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  4. A. S. Obedkov
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Corresponding author

Correspondence to E. V. Belova.

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The authors declare that they have no conflict of interest.

Additional information

Translated from Radiokhimiya, No. 1, pp. 83–88, December, 2023 https://doi.org/10.31857/S0033831123010112

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Belova, E.V., Nazin, E.R., Kalistratova, V.V. et al. Exothermic Processes in Nitric Solutions Containing Acetohydroxamic Acid. Radiochemistry 65, 81–86 (2023). https://doi.org/10.1134/S1066362223010125

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  • DOI: https://doi.org/10.1134/S1066362223010125

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