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  • 1 The University of Tokyo Radioisotope Centre Yayoi 113 Bunkyo-ku, Tokyo Japan
  • 2 Chiba University Department of Chemistry, College of Arts and Sciences Yayoi 260 Chiba Japan
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The reactivity of recoil tritium in the T-for-H substitution was studied in mixtures of benzene, hexane, cyclohexane or cyclohexane-d12 with lithium carbonate which were irradiated in a reactor. The relative rates per C–H bond of hexane and cyclohexane to benzene were somewhat less than one third. The H/D isotope effect in cyclohexane was given as 1.14.