Abstract
Sorption of hydrogen by barium films is shown to be made up of surface adsorption of the gas followed by its diffusion to the interior. The velovity of surface adsorption is studied at low pressures and its dependence on surface area, pressure and temperature is considered. The velocity of diffusion is examined for pressures and film thicknesses which are near to those in current industrial use. In this case too, particular attention is paid to the influence of temperature, as well as to the influence of parameters such as temperature of condensing walls, residual pressure at evaporation and time of flashing of the getter, all of which are of considerable practical interest.
Published Version
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