Absolute rate constant for the disproportionation reaction of formyl radicals from 295 to 475 K |
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| Authors: | Bernard Veyret Pascal Roussel Robert Lesclaux |
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| Institution: | Laboratoire de Chimie Physique A. LA 348 CNRS, Universite de Bordeaux I, 33405 Talence Cedex, France |
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| Abstract: | The rate constant for the reaction HCO + HCO → CH2O + CO was measured at temperatures between 298 and 475 K. The formyl radicals were produced by flash photolysis of formaldehyde and were detected by resonance absorption at 614.5 nm. At low pressure and room temperature, k1 = (3.35 ± 0.85) × 10?11 cm3 molecule?1 s?1. There is no discernable variation of k1 with temperature up to 475 K. |
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