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The pressure and temperature dependence of the rate constant for methyl radical recombination over the temperature range 296–577 K

✍ Scribed by Martyn T. Macpherson; Michael J. Pilling; Martin J.C. Smith

Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
346 KB
Volume
94
Category
Article
ISSN
0009-2614

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✦ Synopsis

I%c rate conswnt for methyl rzdic;ll recombination has been measured over the rempcrature range 296-577 K and at pressures bcl\vcrn 5 and 500 Torr win: laser 5~11 photolysis. coupled with absorption spectroscopy at 216.36 nm. Analysis 01' lhC f~ll-ol'f curves gives k, = (1.78 2 0.18) x IO-" rsp( 151 2 11 S/v cm3 molecule-' s-l and lie = (6.0 % 3.3) X 10-"l'J cxpc 1680 2 300 K/7-J cm6 molcculc-' 5-l _ The quoted errors (IWO standard deviations) do nof include the present cmccrtainry in 111~ absorption cross section. which is a major source of error (230s.).

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