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  • 1 Niigata University Faculty of Engineering 950-21 Ikarashi, Niigata (Japan)
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In order to reveal the effect of tritium (3H or T) on hydrogen isotope exchange, the exchange reaction between a certain compound (solid or liquid) and a tritiated one (gas or solid) was observed in gas-solid or liquid-solid systems. The reaction was analyzed using the data obtained and theA-McKay plot method, and it has been quantitatively clarified that the effect of T on the reactivity of a material is changed with (1) the degree of polymerization of the material, (2) the kind of functional groups in the material, and (3) the reaction system.