... by measuring the multimolecular adsorption of nitrogen at liquid nitrogen temperatures or the adsorption of other gases close ... The importance of the concept of adsorption of reactants on the surface of catalysts has been greatly increased by the ... Chemisorption can occur over a wide temperature range, the most effective temperature for adsorption depending on the nature of ... This conclusion is confirmed by measurement of rate of adsorption of nitrogen on the iron catalysts. Other, similar isotopic ...