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Direct synthesis and characterization of LaSBA-15 mesoporous molecular sieves

Luz, Geraldo E. ; Lima, Stevie H. ; Melo, Ana C. R. ; Araujo, Antonio S. ; Fernandes, Valter J.

Journal of materials science, 2010-02, Vol.45 (4), p.1117-1122 [Periódico revisado por pares]

New York: Springer US

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Título:
Direct synthesis and characterization of LaSBA-15 mesoporous molecular sieves
Autor: Luz, Geraldo E. ; Lima, Stevie H. ; Melo, Ana C. R. ; Araujo, Antonio S. ; Fernandes, Valter J.
Assuntos: Analysis ; Basic oxides ; Catalysis ; Characterization and Evaluation of Materials ; Chemical properties ; Chemical synthesis ; Chemistry and Materials Science ; Classical Mechanics ; Crystallography and Scattering Methods ; Dehydration ; Ethanol ; Ethyl alcohol ; Fluorescence ; Lanthanum ; Lanthanum chlorides ; Lanthanum oxides ; Lewis acid ; Materials Science ; Molecular sieves ; Polymer Sciences ; Rare earth metals ; Solid Mechanics ; Thermogravimetric analysis ; X ray fluorescence analysis ; X ray powder diffraction ; X-rays
É parte de: Journal of materials science, 2010-02, Vol.45 (4), p.1117-1122
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: Lanthanum-incorporated SBA-15 mesoporous molecular sieves were synthesized in a two-stage hydrothermal procedure from a precursor solution containing lanthanum chloride. The products were characterized by powder X-ray diffraction, thermogravimetric analysis, X-ray fluorescence, and nitrogen porosimetry. Taken together, the analyses indicated that the products formed highly ordered mesostructures with large average pore sizes, and suggested that the lanthanum was incorporated in the SBA-15 both into the framework as well as within the mesopores. Catalytic dehydration of ethanol over the LaSBA-15 products shows that they have weak Lewis acid and basic functionalities, indicative of the presence of lanthanum oxide in these samples.
Editor: New York: Springer US
Idioma: Inglês

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Direct synthesis and characterization of LaSBA-15 mesoporous molecular sieves

Luz, Geraldo E. ; Lima, Stevie H. ; Melo, Ana C. R. ; Araujo, Antonio S. ; Fernandes, Valter J.

New York: Springer US

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