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Direct and Indirect Effects of an Electron Beam on N,N,N',N'-Tetra-n-Octyl Diglycolamide in Hydrocarbon–Alcohol Solutions

  • RADIATION CHEMISTRY
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Abstract

The radiolysis of a radiochemical extraction system based on N,N,N',N'-tetra-n-octyl diglycolamide (TODGA) dissolved (0.15–0.2 M) in a mixture of Isopar-M with n-decanol or n-nonanol has been studied. The alcohol content was 6 or 20 vol %. A beam of 8-MeV electrons was used for irradiation. It has been found that the predominant radiolytic transformation of TODGA is fragmentation with the major formation of N,N-dioctylacetamide and 2-hydroxy-N,N-dioctylacetamide. Products of the dissociative addition of alkoxy radicals to the carbonyl groups of TODGA were detected. The total yield of TODGA degradation in the extraction system was no higher than 0.5 μmol/J. Degradation was insensitive to the type of alcohol, but it depended on the alcohol content of the solution.

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ACKNOWLEDGMENTS

We are grateful to the Shared-Use Center for Instrumental Research Methods at the Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences for the equipment provided.

Funding

This work was funded by the Russian Academy of Sciences, project no. AAAA-A18-118011190130-0.

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Authors and Affiliations

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

    Yu. V. Serenko, A. V. Ponomarev & E. V. Belova

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  1. Yu. V. Serenko
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  2. A. V. Ponomarev
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  3. E. V. Belova
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Corresponding author

Correspondence to A. V. Ponomarev.

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Translated by V. Makhlyarchuk

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Serenko, Y.V., Ponomarev, A.V. & Belova, E.V. Direct and Indirect Effects of an Electron Beam on N,N,N',N'-Tetra-n-Octyl Diglycolamide in Hydrocarbon–Alcohol Solutions. High Energy Chem 55, 482–487 (2021). https://doi.org/10.1134/S0018143921060114

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