| Abstract
| - The reaction of OH with acetaldehyde in the gas phase has been studied by tunable infrared laser kineticspectroscopy. As expected, the main channel is the production of water (∼100%). An upper bound of 5%was placed on the yield of CH3, and the yield of H is estimated as 5 ± 5%. A rate constant of 1.67(10) ×10-11 molecules-1 cm3 s-1 is obtained for the title reaction, in good agreement with previous measurements.The major product of the reaction, CH3CO, reacts with O3, producing CH3, CO2, and O2 in one channel witha rate constant of 1.4(5) × 10-11 molecules-1 cm3 s-1 and producing CH3CO2 and O2 in the other channelwith a rate constant of 3.3(5) × 10-11 molecules-1 cm3 s-1.
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