Author:
Shah PG,Stranks DR,Cooper R
Abstract
γ-Radiolysis of
gaseous CF3I produces CF4 (G = 0.77), C2F6
(G = 3.0), C2F4
(G = O.89), and 12 (G = 4.08). In the presence of nitric oxide or bromine, the
fluorocarbon products are removed and high yields of scavenged products are
obtained. In the presence of NO, G(I2)
is 11.6; in the presence of Br2, G(CF3Br) is 20.1. Competition experiments using Br2 and Cl2
indicate that thermal free radicals are responsible for a major part of the
decomposition mechanism. The high radical yields may be due to short chain
reactions involving excited iodine atoms or recombination of ion
clusters.
Cited by
9 articles.
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