Ethene-Ozone Reaction in the Gas Phase
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The reaction of HCHO with the stabilized Criegee intermedi-
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main product of the reaction of CH2OO with H2O (the most
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hydroxymethyl hydroperoxide (HOCH2OOH) (reaction 7). The
rate constant for reaction 17 was found to be 14 000 times
smaller than the rate constant for the reaction of CH2OO with
HCOOH.
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(17)
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Under tropospheric conditions where H2O concentrations are
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Acknowledgment. The authors gratefully acknowledge the
support of this work by the Deutsche Forschungsgemeinschaft
(DFG) through Sonderforschungsbereich 233 “Dynamics and
Chemistry of Hydrometeors” and the European Community
through the research grant LABVOC (EV5V CT91 0038). P.N.
would like to thank Abraham Horowitz for helpful discussions.
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