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The combination of results from carbon monoxide chemisorption, X-ray diffraction, and transmission electron microscopy allowed calculating the surface composition of the palladium-copper nanoparticles in Pd-Cu/SiO 2 cogelled xerogel catalysts. Values obtained indicate a very pronounced surface enrichment with copper. Surface compositions obtained with this method, which combines three different...
The surface composition of alloy particles in Pd–Ag/SiO 2 hydrodechlorination (HDC) sol–gel catalysts has been determined by combining three experimental techniques, carbon monoxide chemisorption, X-ray diffraction, and transmission electron microscopy. Values obtained through this method show a very marked silver enrichment of the surface, as expected: as a consequence of the important gap...
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