Mutable Lewis and Brønsted Acidity of Aluminated SBA-15 as Revealed by NMR of Adsorbed Pyridine-15N

1H and variable-temperature 15N NMR techniques have been used to study the effect of the gradual alumination of SBA-15 on the structure and adsorption properties of this mesoporous material. The interpretation of experimental spectra suggests that aluminum chlorhydrol most effectively reacts with si...

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Veröffentlicht in:	Langmuir 2011-10, Vol.27 (19), p.12115-12123
Hauptverfasser:	Gurinov, Andrey A, Rozhkova, Yulia A, Zukal, Arnošt, Čejka, Jiří, Shenderovich, Ilya G
Format:	Artikel
Sprache:	eng
Schlagworte:	Acids - chemistry Adsorption Hydrogen-Ion Concentration Magnetic Resonance Spectroscopy Materials: Nano-and Mesostructured Materials, Polymers, Gels, Liquid Crystals, Composites Molecular Structure Nitrogen Isotopes Pyridines - chemistry Silicon Dioxide - chemistry Surface Properties Temperature
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