Abstract

The simple theory of physical adsorption was found to hold only for the getter having already absorbed a sufficient amount of carbon mono-oxide. The large absorption ability of at fresh getter is due to the existence of large number of lattice imperfections in it. The activation energy of physical adsorption, desorption and activated adsorption for Ba–CO system were found 1.0, 1.4 and 6.5 Kcal/gmol respectively. The new theory assuming the existence of lattice imperfections was developed.

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