Kinetics for the reaction between the solvated electron and dissolved oxygen in n-dodecane from 2.5 to 40 °C

Conrad, Jacy Kathleen; Hlushko, Hanna; Cook, Andrew

doi:10.1016/j.radphyschem.2025.112587

Kinetics for the reaction between the solvated electron and dissolved oxygen in n-dodecane from 2.5 to 40 °C

Journal Article · 01 May 2025 · Radiation Physics and Chemistry

DOI:https://doi.org/10.1016/j.radphyschem.2025.112587· OSTI ID:2558139

^[1]; ^[1]; Cook, Andrew ^[2]

Idaho National Laboratory
Brookhaven National Laboratory

Temperature-controlled, time-resolved picosecond electron pulse radiolysis was utilized to measure the rate of reaction between the solvated electron (eS–) and dissolved oxygen in n-dodecane solutions from 2.5 to 40 °C for the first time. At 20.0 °C, the reaction rate was determined to be k(eS– + O2) = (4.54 ± 0.21) × 1010 M-1 s-1, with an activation energy of Ea = 14.4 ± 1.3 kJ mol-1. These newly determined kinetic parameters are important for predicting and managing the effects of aerated environments on the degradation of organic solvents used in nuclear fuel reprocessing technologies.

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Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: 58

DOE Contract Number:: AC07-05ID14517;

OSTI ID:: 2558139

Report Number(s):: INL/JOU-24-82605-Rev000

Journal Information:: Radiation Physics and Chemistry, Journal Name: Radiation Physics and Chemistry Journal Issue: May 2025 Vol. 230; ISSN 0969-806X

Country of Publication:: United States

Language:: English

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38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
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Kinetics for the reaction between the solvated electron and dissolved oxygen in n-dodecane from 2.5 to 40 °C

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