CH3 + O2 → Η2CO + OH Revisited
N. K. SrinivasanM.‐C. SuJ. V. Michael
Abstract
New reflected shock tube kinetics experiments have been performed on the reaction CH(3) + O(2) --> H(2)CO + OH over the temperature range 1244-1502 K. This study was carried out using a White cell multipass (path length = 7 m) optical system observing OH-radical absorption at 308 nm. Within experimental error, the new results are in excellent agreement with an earlier study from this laboratory and have therefore been combined with the earlier data, yielding an updated Arrhenius description for the rate constant, k = (1.06 +/- 0.32) x 10(-12) exp(-6801 +/- 439 K/T) cm(3) molecule(-1) s(-1). This result is compared to earlier determinations, evaluations, and theory.
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