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Issue 11, 2002
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Kinetics of gas phase reactions of OH and Cl with aromatic aldehydes

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Abstract

Rate constants for the OH and Cl reactions with four aromatic aldehydes have been determined at 298 ± 2 K and atmospheric pressure using a relative rate method. The measured rate constants are (in cm3 molecule−1 s−1):

kOHkClBenzaldehyde(1.2 ± 0.2) × 10−11(10 ± 1) × 10−11o-Tolualdehyde(1.8 ± 0.2) × 10−11(19 ± 2) × 10−11m-Tolualdehyde(1.7 ± 0.2) × 10−11(17 ± 2) × 10−11p-Tolualdehyde(1.3 ± 0.2) × 10−11(14 ± 2) × 10−11
This work provides the first measurements for the OH and Cl reaction rate constants with tolualdehydes. The results obtained are presented and compared with the previous measurements only available for benzaldehyde. The atmospheric implications are also discussed.

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Article information


Submitted
17 Jan 2002
Accepted
20 Feb 2002
First published
23 Apr 2002

Phys. Chem. Chem. Phys., 2002,4, 2194-2199
Article type
Paper

Kinetics of gas phase reactions of OH and Cl with aromatic aldehydes

G. Thiault, A. Mellouki and G. Le Bras, Phys. Chem. Chem. Phys., 2002, 4, 2194
DOI: 10.1039/B200609J

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