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Rate coefficients for reaction of C2H2(ã3B2)

✍ Scribed by Musahid Ahmed; Anthony B. Callear

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
345 KB
Volume
156
Category
Article
ISSN
0009-2614

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✦ Synopsis

A rate coeffkient of (1.33 kO.20) x IO-" cm3 molecule-' s-l has been recorded for energy transfer from C,H,(B"B,) to biacetyl using the resonance flash method. The rate coeffkient for removal of the acetylene triplet by ground-state acetylene is smaller by a factor of 6.8. The zero-pressure decay rate of the B'Br state is (4.03 f 0.40) x II? s-l. Effects of pressure on the biacetyl emission quantum yields, and its direct mercury photosensitised excitation, are also described.

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