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Kinetics of the gas-phase reactions of indan, indene, fluorene, and 9,10-dihydroanthracene with OH radicals, NO3 radicals, and O3

✍ Scribed by Eric S. C. Kwok; Roger Atkinson; Janet Arey

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
191 KB
Volume
29
Category
Article
ISSN
0538-8066

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✦ Synopsis

The kinetics of the gas-phase reactions of OH radicals, NO 3 radicals, and O 3 with indan, indene, fluorene, and 9,10-dihydroanthracene have been studied at 297 Ϯ 2 K and atmospheric pressure of air. The rate constants, or upper limits thereof, for the O 3 reactions were (in cm 3 molecule Ϫ1 s Ϫ1 units): indan, Ͻ 3 ϫ 10 Ϫ19 ; indene, (1.7 Ϯ 0.5) ϫ 10 Ϫ16 , fluorene, Ͻ 2 ϫ 10 Ϫ19 ; and 9,10-dihydroanthracene, (9.0 Ϯ 2.0) ϫ 10 Ϫ19 . Using a relative rate method, the rate constants for the OH radical and NO 3 radical reactions, respectively, were (in cm 3 molecule Ϫ1 s Ϫ1 units): indan, (1.9 Ϯ 0.5) ϫ 10 Ϫ11 and (6.6 Ϯ 2.0) ϫ 10 Ϫ15 ; indene, (7.8 Ϯ 2.0) ϫ 10 Ϫ11 and (4.1 Ϯ 1.5) ϫ 10 Ϫ12 ; fluorene, (1.6 Ϯ 0.5) ϫ 10 Ϫ11 and (3.5 Ϯ 1.2) ϫ 10 Ϫ14 ; and 9,10-dihydroanthracene, (2.3 Ϯ 0.6) ϫ 10 Ϫ11 and (1.2 Ϯ 0.4) ϫ 10 Ϫ12 . These kinetic data were used to assess the relative contributions of the various reaction pathways. ©1997

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