Kinetic data for the reaction of hydroxyl radicals with 1,1,1-trichloroacetaldehyde at 298 +- 2 K

J. Barry, D.J. Scollard, J.J. Treacy, H.W. Sidebottom, G. Le Bras, G. Poulet, S. Téton, A. Chichinin, C.E. Canosa-Mas, D.J. Kinnison, R.P. Wayne, O.J. Nielsen

    Research output: Contribution to journalJournal articleResearch

    Abstract

    The rate constant for the reaction of the hydroxyl radical with 1,1,1-trichloroacetaldehyde has been determined at 298 +/- 2 K. Rate data were obtained at atmospheric pressure by a relative rate method. The rate constant was also measured at lower pressures (1-3.4 Torr) using the discharge flow technique with OH radical detection both by resonance fluorescence and electron paramagnetic resonance. The results provide a value of k(OH + CCl3CHO) = (1.1 +/- 0.2) x 10(-12) cm3 molecule-1 s-1 at room temperature giving an atmospheric lifetime for CCl3CHO with respect to reaction with OH radicals of 290 h.
    Original languageEnglish
    JournalChemical Physics Letters
    Volume221
    Issue number5-6
    Pages (from-to)353-358
    ISSN0009-2614
    DOIs
    Publication statusPublished - 1994

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