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An absolute and relative rate study of the reaction of oh radicals with dimethyl sulfide

✍ Scribed by Ole J. Nielsen; Howard W. Sidebottom; Linda Nelson; Jack J. Treacy; Denis J. O'farrell

Publisher: John Wiley and Sons
Year: 1989
Tongue: English
Weight: 596 KB
Volume: 21
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550211203

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✦ Synopsis

The gas phase reaction of OH radicals with dimethyl sulfide (CH,SCH,, DMS) has been studied using both an absolute and a relative technique a t 295 2 2 K and a total pressure of 1 atm. The absolute rate technique of pulse radiolysis combined with kinetic spectroscopy was applied. Using this technique a rate constant of (3.5 t 0.2) x cm3 molecule-' sK1 was obtained. For the relative rate method, rate constants for the reaction of OH with DMS were found to increase with increasing concentrations of added NO. These results are compared with the large body of kinetic and mechanistic data previously reported in the literature.

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