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Journal of Radioanalytical and Nuclear Chemistry
Authors:
R. Kudláček
and
J. Cabicar
Abstract
The kinetic and solvent isotope effects during the maleic acid heterogeneous catalytic hydrogenation and deuteration in the light and heavy water have been studied. Also the effect of the γ and neutron irradiation on the Ni−ZnO catalysts (with various ratios of components) on the reaction kinetics and mechanism has been measured, as well as the effect of pH on the adsorption behaviour of maleic acid and the temperature depencence of the reaction rate. Existence of different adsorption centers for hydrogen and maleic acid could be deduced from these experiments. A reaction mechanism based on the two-dimensional diffusion of components in the surface is proposed.
