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Absolute rate constants for the reaction of ozone with dimethyl sulfide(DMS)were measured in a 200-L Teflon chamberover the temperature range of 283-353 K.Measurements were carried out using DMS in large excess over ozone of 10 to 1 orgreater.Over the indicated temperature range,the data could be fit to the simple Arrhenius expression as kDMS=(9.96±3.61)×10-11 exp(-(7309.7±1098.2)/T)cm3/(molecule·s).A compared investigation of the reaction between ozone and ethene had a kC2H4value of(1.35±0.11)×10-18 cm3/(molecule·s)at room temperature.
Absolute rate constants for the reaction of ozone with dimethyl sulfide (DMS) were measured in a 200-L Teflon chamber over the temperature range of 283-353 K. Measurements were carried out using DMS in large excess over ozone of 10 to 1 orgreater. the indicated temperature range, the data could fit to the simple Arrhenius expression as kDMS = (9.96 ± 3.61) × 10-11 exp (- (7309.7 ± 1098.2) / T) cm3 / (molecule · s) the reaction between ozone and ethene had a kC2H4 value of (1.35 ± 0.11) × 10-18 cm3 / (molecule · s) at room temperature.