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Kinetics of the reaction of F atoms with O2 and UV spectrum of FO2 radicals in the gas phase at 295 K

✍ Scribed by Thomas Ellermann; Jens Sehested; Ole John Nielsen; Palle Pagsberg; Timothy J. Wallington

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 761 KB
Volume: 218
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(94)00006-9

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✦ Synopsis

The ultraviolet absorption spectrum of FOz radicals and the kinetics of the reaction of F atoms with O2 have been studied in the gas phase at 295 K using pulse radiolysis combined with kinetic UV spectroscopy. At 230 nm, ora = (5.08 f 0.70) x lO-'8 cm* molecule-'. The kinetics of the reaction F+02+M+F02+M

(1 ), were investigated over the pressure range 200-1000 mbar of SF6 diluent. At 1 atm total pressure the pseudo-second-order rate constant for reaction (1) was determined to be (1.9+0.3)x 10-13cm3molecule-'s-'.

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