Diffusion of transient radicals in alcohols and cyclohexane from ambient to supercritical conditions studied by the transient grating method

Article Abstract:

The translational diffusion coefficients of ketyl radicals produced by a hydrogen abstraction reaction in ethanol, methanol, and cyclohexane are investigated by the transient grating (TG) method, from liquid phase to the medium-density region in wide temperature ranges. It is found that the diffusion coefficient of the radical is smaller than that of a stable molecule with a similar size even under supercritical conditions.

Chemistry, Physical and theoretical, Physical chemistry, Radicals (Chemistry), Alcohols

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Cyclohexane dehydrogenation and H2 adsorption on Pt particles on ZnO(0001)-O

Article Abstract:

The dehydrogenation of cyclohexane on Pt/ZnO(0001)-O model catalyst was studied with temperature-programmed (TPD), low-energy ion scattering, and X-ray photoelectron spectroscopy. The adsorbed c-C6D12 on this ZnO surface desorbs intact at ~220 K.

All Other Miscellaneous Chemical Product and Preparation Manufacturing, Catalysts, Chemical preparations, not elsewhere classified, Usage, Photoelectron spectroscopy, Hydrogenation, Atomic properties

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