To determine the reaction rate coefficient of volatile organic compounds with ozone, the reduction of ozone through a flow-tube reactor was measured by a chemiluminescent detector. The validity of the method was confirmed by examination on isoprene. Consequently, the reaction rate coefficient of 2,5-dimethylfuran, DMF, with ozone was determined as (4.2 ± 0.9) × 10-16 cm3 molecule-1 s-1 for the first time. It was suggested that ozonolysis can be important for the fate of DMF in the atmosphere.
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