
Journal of Physical Chemistry p. 3414 - 3417 (1988)
Update date:2022-08-11
Topics:
Gleason, James F.
Howard, Carleton J.
We have measured the temperature dependence of the reaction HOSO2+O2->HO2+SO3.This reaction is a key step in the gas-phase oxidation of SO2 to H2SO4.The rate coefficient was measured in a low-pressure discharge flow reactor, by directly monitoring the loss of HOSO2 by chemical ionization mass spectrometry.The rate coefficient is k(T)=(1.34+/-0.25)x10-12 exp<(-330+/-70)/T> cm3 molecule-1 s-1 for the temperature range 297 K
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