Journal of Physical Chemistry p. 3250 - 3253 (1990)
Update date:2022-08-29
Topics:
Kasner, James H.
Taylor, Philip H.
Dellinger, Barry
Absolute rate coefficients for the reaction of hydroxyl radical (OH) with ethyl chloride (C2H5Cl) were measured over the temperature range 294-789 K, at atmospheric pressure, by using a laser photolysis/laser induced fluorescence technique.Hydroxyl (OH) was generated via photodissociation of N2O and the subsequent reaction of O(1D) with H2O.Relative radical concentration was monitored versus reaction time by using laser-induced fluorescence.The data were fit to the modified Arrhenius expression k(T) = (2.96 +/- 2.94) * 10-13(T/300)2.59 +/- 0.666 exp(229 +/- 624 cal mol-1/RT), where k is in units of cm3 molecule-1 s-1.Random errors in the measured rate data, as determined by a propagation of error analysis, were typically 10-20percent (+/-2?).Agreement with available room-temperature literature data and proposed methods of rate constant estimation, over extended temperature ranges, are shown.
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