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Temperature dependence of CH2 (ã 1A1) removal rates by Ar, NO and H2

✍ Scribed by P. Biggs; G. Hancock; M.R. Heal; D.J. McGarvey; A.D. Parr

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
682 KB
Volume
180
Category
Article
ISSN
0009-2614

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✦ Synopsis

Absolute rate constants for the removal of CHI (8 'A,) by Ar, NO and Hz have been measured over the temperature range 295-43 I K using laser flash kinetic absorption spectroscopy. For NO and Hz, no marked temperature dependence is observed. For Ar, the rate constants increase by some 50% over this range and the results are discussed in terms ofa theoretical model which relates the removal rate constants to the fractional population of CHr (8 'A, ) in states perturbed by nearby triplet levels.

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