Abstract
The interaction between ozone and mono-, di-, and trichloroacetic acids are studied using a flow vacuum gas discharge setup in a regime close to stratospheric conditions (in the temperature range of 77 to 250 K, at pressures of 10−3 to 0 Torr, and in the presence of ice). The interaction between ozone and trichloroacetic acid starts at 77 K, while interaction with monochloroacetic acid begins when the temperature is raised to 200 K. The reactions are assumed to proceed via different mechanisms: chlorine oxides of different composition are the reaction products, as is shown using low-temperature IR spectroscopy. Preliminary adsorption of the acids on a surface of ice raises the temperature of interaction to 190 K.
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Original Russian Text © N.E. Strokova, S.V. Savilov, I.I. Morozov, T.V. Yagodovskaya, V.V. Lunin, 2015, published in Zhurnal Fizicheskoi Khimii, 2015, Vol. 89, No. 1, pp. 33–42.
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Strokova, N.E., Savilov, S.V., Morozov, I.I. et al. Laboratory simulations of the interaction between ozone and chloroacetic acids in the conditions close to stratospheric. Russ. J. Phys. Chem. 89, 28–37 (2015). https://doi.org/10.1134/S0036024415010264
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DOI: https://doi.org/10.1134/S0036024415010264