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Absorption of nitrogen hemioxide in aqueous solutions of gas treatment systems upon dissolution of UN in nitric acid

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Abstract

The absorption of N2O from an air flow in various aqueous solutions at 293–298 K was studied. The maximal N2O absorption under the experimental conditions is reached for water (~22–24%) and saturated solution of K2Cr2O7 in concentrated H2SO4 in the presence of Al2O3 and without it (~34 and ~30%, respectively). In concentrated HNO3 and NH4OH solutions and in 1.0 M NaOH and N2H4·nH2O solutions, the degree of the N2O absorption varied from ~7.5 to ~11.5%. Similar degree of absorption was obtained with 0.5 M (NH2)2CO (~11%). In the other solutions tested, the degree of the N2O absorption did not exceed ~4.0%.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, korp. 4, Moscow, 119071, Russia

    S. A. Kulyukhin & A. A. Bessonov

Authors
  1. S. A. Kulyukhin
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  2. A. A. Bessonov
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Correspondence to S. A. Kulyukhin.

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Original Russian Text © S.A. Kulyukhin, A.A. Bessonov, 2017, published in Radiokhimiya, 2017, Vol. 59, No. 3, pp. 244–247.

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Kulyukhin, S.A., Bessonov, A.A. Absorption of nitrogen hemioxide in aqueous solutions of gas treatment systems upon dissolution of UN in nitric acid. Radiochemistry 59, 280–283 (2017). https://doi.org/10.1134/S1066362217030109

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  • DOI: https://doi.org/10.1134/S1066362217030109

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