Hydrogen isotope effects in titanium alloy hydrides

The tritium exchange method was used to determine the isotope effects on a large number of metal-hydrogen systems. Ti was chosen as a constant constitutent in the systems, and the other metals chosen were V, Cr, Mo, Mn, Co, and Ni. The tritium distribution coefficient was determined at temperatures of -20, 0, +20, or 40/sup 0/C and at nearly constant hydrogen pressure. A plot was made of the distribution coefficient of tritium vs the periodic table sequence for 1:1 Ti alloy hydrides, and the plot indicates greatest separation factor for Ti--CrH/sub 2/ alloy. (BLM)