High temperature equilibrium measurements of the yttrium–hydrogen isotope (H2, D2, T2) systems.
作者： G. M. Begun , J. F. Land , J. T. Bell
DOI: 10.1063/1.439496
关键词: Molality 、 Chemistry 、 Tritium 、 Analytical chemistry 、 Yttrium 、 Sieverts' law 、 Isotope 、 Physical chemistry 、 Deuterium 、 Atom 、 Hydrogen
摘要: Equilibrium pressures as a function of concentration and temperature were measured for the systems, yttrium–hydrogen, yttrium–deuterium, yttrium–tritium. Temperatures varied from 700–1000 °C concentrations in solid yttrium phase ranged H/Y or D/Y atom ratios 0.01 to 2.0 T/Y 0.03 1.1. isotherms have been plotted Van’t Hoff isopleths calculated these systems. Relative partial molal enthalpies entropies tabulated reactions hydrogen isotopes with ratio solid. In low range (H/Y=D/Y=T/Y<0.3), data obey Sieverts law where isotope is proportional square root pressure. constants derived. At constant fraction tritium compound has highest equilibrium pressure protium lowest. Expressions isotopic derived ...
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