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pro vyhledávání: '"M. Isabel Pais da Silva"'
Publikováno v:
Applied Surface Science. 254:6461-6466
Hybrid catalysts containing CuO–ZnO or CuO–ZnO–Al 2 O 3 as the metallic component and the zeolite H-ferrierite as support were prepared by both the coprecipitation–impregnation and coprecipitation–sedimentation methods. They were characteri
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 58:3159-3166
With the aim to qualifying and quantifying the acidity of the Y, L and ferrierite zeolites, an infrared band analysis of pyridine adsorption and programmed temperature dessorption measurements were carried out to a set of nine samples of the Y, L and