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Recombination rates of chlorine atoms in flash photolysis of chlorine molecules

✍ Scribed by P. J. Papagiannakopoulos; B. Di Bartolo

Publisher: John Wiley and Sons
Year: 1983
Tongue: English
Weight: 101 KB
Volume: 15
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550151109

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✦ Synopsis

We have studied the recombination of chlorine atoms in the presence of argon over a wide range of ratios [C12]/[Ar]. The recombination of chlorine atoms has not attracted much attention because of detection difficulties, due to the low-absorption cross section of the chlorine molecules and the low degree of dissociation of the chlorine molecules obtainable with conventional flashtubes. In the past, the above difficulties were overcome with the use of higher chlorine concentrations [ 1 1 or longer absorbing paths . In this work, we have used a coaxial flashlamp, which can achieve a high degree of dissociation, owing to the close optical coupling between the photolyzing source and the sample.

The experiments were performed with a flash photolysis apparatus which employs a coaxial flashlamp and operates in the kinetic mode. The coaxial flashlamp, powered by a low capacitor of 1.5 pF and charged to a high

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