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Temperature-dependent kinetics of the quenching of O(1S) by chlorofluoromethanes

✍ Scribed by F.P. Capetanakis; F. Sondermann; S. Höser; F. Stuhl

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
377 KB
Volume
206
Category
Article
ISSN
0009-2614

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✦ Synopsis

The kinetics of the quenching of metastable 0('S) atoms by a number of chlorofluoromethanes has been studied by a pulsed VUV resonance lamp for the generation of the metastable species and by the forbidden transition at 557 nm for their detection. The rate constants of all investigated quenchers are temperature independent in the range from 2 15 to 445 K. The constants vary greatly from 3.5~ lO-'O to 2.2~ IO-" cm3 s-t and depend considerably on the number of Cl atoms ofthe methanes.

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