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Rate coefficients for the reaction of OH with OClO between 242 and 392 K

✍ Scribed by Tomasz Gierczak; James B. Burkholder; A. R. Ravishankara

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 160 KB
Volume: 38
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.20158

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✦ Synopsis

Abstract

Rate coefficients are reported for the gas phase reaction of OH with OClO over the temperature range 242–392 K at 25, 50, and 100 Torr (He). Kinetic measurements were made using pulsed laser photolysis with laser induced fluorescence detection of the OH radical. The measured rate coefficients were independent of pressure and are well represented by k~1~(T) = (1.43 ± 0.3) × 10^−12^ exp(597 ± 36/T) cm^3^ molecule^−1^ s^−1^ (k~1~(298 K) = 1.06 × 10^−11^ cm^3^ molecule^−1^ s^−1^). The quoted uncertainties are 2σ (95% confidence level) and include estimated systematic errors. Discrepancies with the previous OH + OClO rate coefficient measurement by Poulet et al. (Int J Chem Kinet 1986, 18, 847–859) are discussed. © 2006 Wiley Periodicals, Inc. Int J Chem Kinet 38: 234–241, 2006

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