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Ozone kinetics of dimethyl sulfide in the presence of water vapor
Abstract The outdoor smog chamber was used to thorough investigate the rate constants of gas-phase reaction between dimethyl sulfide (DMS) and ozone (O3) under conditions of relative humidity 55.0%–67.8% at (296±2)K for the first time. The rate constants were measured, at a total pressure of 1 atm, to be (10.4±0.2) ± 10−19 cm3·molecule−1·s−1 at relative humidity of 67.5%± 0.3% at 298K, (10.1±0.1) ± 10−19 cm3·molecule−1·s−1 at relative humidity of 66.5%±0.5% at 296K, (7.75±0.39) ± 10−19 cm3·molecule−1·s−1at relative humidity of 64.8%± 0.1% at 294K and (3.42±0.21) ± 10−19 cm3·molecule-1·s−1at relative humidity of 55.8%±0.8% at 295K. Base on these results, it is possible to see the reaction of O3/DMS in the presence of water vapor as an important sink for DMS in the earth atmosphere.
Ozone kinetics of dimethyl sulfide in the presence of water vapor
Abstract The outdoor smog chamber was used to thorough investigate the rate constants of gas-phase reaction between dimethyl sulfide (DMS) and ozone (O3) under conditions of relative humidity 55.0%–67.8% at (296±2)K for the first time. The rate constants were measured, at a total pressure of 1 atm, to be (10.4±0.2) ± 10−19 cm3·molecule−1·s−1 at relative humidity of 67.5%± 0.3% at 298K, (10.1±0.1) ± 10−19 cm3·molecule−1·s−1 at relative humidity of 66.5%±0.5% at 296K, (7.75±0.39) ± 10−19 cm3·molecule−1·s−1at relative humidity of 64.8%± 0.1% at 294K and (3.42±0.21) ± 10−19 cm3·molecule-1·s−1at relative humidity of 55.8%±0.8% at 295K. Base on these results, it is possible to see the reaction of O3/DMS in the presence of water vapor as an important sink for DMS in the earth atmosphere.
Ozone kinetics of dimethyl sulfide in the presence of water vapor
Wang, Haitao (Autor:in)
Frontiers of Environmental Science & Engineering ; 7 ; 833-835
09.09.2013
3 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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