Kinetics of the reactions of the OH radical with HCHO and CH3CHO over the temperature range 299–426°K
- 15 April 1978
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 68 (8) , 3581-3584
- https://doi.org/10.1063/1.436215
Abstract
Absolute rate constants for the reactions of the OH radical with HCHO and CH3CHO have been determined over the temperature range 299–426°K by a flash photolysis–resonance fluorescence technique. The Arrhenius expressions obtained are k (HCHO) =1.25×10−11 e−(175±300)/RT cm3 molecule−1⋅sec−1, k (CH3CHO) =6.87×10−12 e(510±300)RT cm3 molecule−1⋅sec−1 with rate constants at room temperature of (9.4±1.0) ×10−12 cm3 molecule−1⋅sec−1 and (1.60±0.16) ×10−11 cm3 molecule−1⋅sec−1 for HCHO and CH3CHO, respectively.Keywords
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