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Fourier transform infrared study of the self reaction of C2H5O2 radicals in air at 295 K

✍ Scribed by T. J. Wallington; C. A. Gierczak; J. C. Ball; S. M. Japar

Publisher: John Wiley and Sons
Year: 1989
Tongue: English
Weight: 634 KB
Volume: 21
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550211109

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✦ Synopsis

Fourier transform infrared spectroscopy was used to identify and quantify products of the self reaction of ethylperoxy radicals, C2H502, formed in the photolysis of C12/C2H6 mixtures in 700 torr total pressure of synthetic air a t 295 K . From these measurements, branching ratios for the reaction channels

of kIa/(kla + klb) = 0.68 and k l J ( k , a + klb + klJ 5 0.06 were established. Additionally, using the relative rate technique, the rate constant for the reaction of C1 atoms with C,H,OOH was determined t o be (1.07 t 0.07) x 10 lo cm3 molecule-' s-l. Results are discussed with respect to the previous kinetic and mechanistic studies of C2H502 radicals.

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