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Atmospheric chemistry of dimethyl sulfide. Kinetics of the CH3SCH2O2 + NO2 reaction in the gas phase at 296 K

✍ Scribed by Ole J. Nielsen; Jens Sehested; Timothy J. Wallington

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 402 KB
Volume: 236
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(95)00231-r

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✦ Synopsis

The pulse radiolysis of SF6/CH3SCH3/O2/NO2 gas mixtures was used to generate CH3SCH20 2 radicals in the presence of NO.,. By monitoring the rate of NO:, decay using its absorption at 400 nm, rate constants for the reaction of CH3SCH20 2 radicals with NO,, were measured to be (9.2 _+ 0.9) × 10-t2 and (7.1 4-0.9) × 10-12 cm 3 molecule-~ s-~ at room temperature in 1000 and 300 mb., of SFt, diluent, respectively. Results are discussed with respect to the atmospheric chemistry of dimethyl sulfide.

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