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✦   LIBER   ✦

Flowtube reactor study of the association reactions of CHCl2 and CCl3 with O2 at low pressure

✍ Scribed by Winston C. Nottingham; R. Neil Rudolph; Kevin P. Andrews; John H. Moore; John A. Tossell

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
528 KB
Volume
26
Category
Article
ISSN
0538-8066

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✦ Synopsis

A new flowtube reactor employing dissociative electron attachment to produce radicals and high-pressure photoionization in the mass spectrometric detection of radicals is described. The system has been applied to a study of the association reactions of CHClz and CCl3 with 0 2 in a great excess of helium at total densities below 1017 cm-3 over the temperature range 286 to 332 K. Both reactions display a strong negative temperature coefficient. The results can be parameterized in the form ko(CHC12 + 0 2 ) = (4.3 ? 0.2) x 10-31(T/300)-6.7'0.7 cm6 s-', ko(CC1S + 0 2 ) = (2.7 ? 0.2) X 10-31(T/300)-8.7'1.0 cm6 5 -l .

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