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Relative rate constant measurements for the gas-phase reactions of hydroxyl radicals with 4-methyl-2-pentanone, trans-4-octene, and trans-2-heptene

✍ Scribed by Lawrence N. O'rji; Daniel A. Stone

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
377 KB
Volume
24
Category
Article
ISSN
0538-8066

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✦ Synopsis

The relative OH reaction rates from the simulated atmospheric oxidation of 4-methyl-2pentanone, trans-4-octene, and trans-2-heptene have been measured. Reactions were carried out at 297 t 2 K in 100-liter FEP Teflon"-film bags. The OH radicals were produced from the photolysis of methyl nitrite. The measured rate constants (X10" cm3 molecule-' s-l) were as follows: 6.77 t 0.50 for trans-4-octene, 1.40 t 0.07 for 4-methyl-2-pentanone, and 6.70 -t 0.23 for trans-2-heptene using an absolute rate constant of 2.63 X 10" cm3 molecule-' s-' for the reaction of OH with propene; the principal reference organic.

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