The electron capture by bromobenzene in the .GAMMA.-radiolyses of cyclohexane and 2,2,4-trimethylpentane.
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概要
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The γ-radiolyses of cyclohexane and 2,2,4-trimethylpentane have been reinvestigated. Bromobenzene was used as the electron scavenger. The analysis of the <I>G</I>-values of benzene obtained at high concentrations of bromobenzene showed that the empirical formula proposed by Hummel for the electron scavenging<BR>G=G_fi+G_gi{1-exp(-√‾αS)}<BR>is better than that proposed by Warman <I>et al.</I> The values of <I>G</I><SUB>fi</SUB>+<I>G</I><SUB>gi</SUB> thus obtained were 3.7±0.3 for cyclohexane and 3.5±0.2 for 2,2,4-trimethylpentane. The bromobenzene-concentration dependence of the <I>G</I>-values of hydrogen and methane from 2,2,4-trimethylpentane was well explained by the hypothesis that the lifetimes of the 2,2,4-trimethylpentane ion for the decomposition are in the same order as the time needed for the geminate recombination.
- 公益社団法人 日本化学会の論文
著者
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Sato Shin
Department Of Chemistry School Of Science The University Of Tokyo
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Kim Eung-Ryul
Department of Applied Physics, Tokyo Institute of Technology
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Karasawa Hidetoshi
Department of Applied Physics, Tokyo Institute of Technology
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