About: Synthesis and Properties of Mesoporous Silica-Alumina with Narrow Pore Size Distribution Obtained without Use of Pore-Regulating Agents

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About: Synthesis and Properties of Mesoporous Silica-Alumina with Narrow Pore Size Distribution Obtained without Use of Pore-Regulating Agents Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The synthesis of mesoporous silica-alumina (MSA) from Na metasilicate and AL nitrate without pore-regulating agents is described. The pore structure is almost exclusively formed by mesopores of diameters 3 - 5 nm. From X-Ray diffraction, electron microscopy and 27Al MAS NMR it follows that the MSA is amorphous with disordered pore arrangement, with majority of the Al atoms in octahedral coordination. The pore size distribution is much narrower in comparison to distributions of commercial silica-aluminas. The textural properties are influenced to only minor extent by treatments in water and calcination up to 800?C. The synthesis of mesoporous silica-alumina (MSA) from Na metasilicate and AL nitrate without pore-regulating agents is described. The pore structure is almost exclusively formed by mesopores of diameters 3 - 5 nm. From X-Ray diffraction, electron microscopy and 27Al MAS NMR it follows that the MSA is amorphous with disordered pore arrangement, with majority of the Al atoms in octahedral coordination. The pore size distribution is much narrower in comparison to distributions of commercial silica-aluminas. The textural properties are influenced to only minor extent by treatments in water and calcination up to 800?C. (en) Mezoporézní aluminosilikát MSA byl připraven z Na metasilikátu a dusičnanu hlinitého bez přídavku póry regulujících materiálů. Připravený monodisperzní materiál měl velmi úzkou distribuci pórů a vysoký specifický povrch. X-ray analýza potvrdila amorfnost materiálu s Al atomy v oktahedrální koordinaci. (cs)
Title	Synthesis and Properties of Mesoporous Silica-Alumina with Narrow Pore Size Distribution Obtained without Use of Pore-Regulating Agents Synthesis and Properties of Mesoporous Silica-Alumina with Narrow Pore Size Distribution Obtained without Use of Pore-Regulating Agents (en) Syntéza a vlastnosti mezoporézního aluminosilikátu s úzkou distribucí pórů (cs)
skos:prefLabel	Synthesis and Properties of Mesoporous Silica-Alumina with Narrow Pore Size Distribution Obtained without Use of Pore-Regulating Agents Synthesis and Properties of Mesoporous Silica-Alumina with Narrow Pore Size Distribution Obtained without Use of Pore-Regulating Agents (en) Syntéza a vlastnosti mezoporézního aluminosilikátu s úzkou distribucí pórů (cs)
skos:notation	RIV/67985858:_____/06:00055019!RIV07-AV0-67985858
http://linked.open.../vavai/riv/strany	197;204
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/04/0963), P(GA104/06/0870), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	1-3
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Vít, Zdeněk Šolcová, Olga
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	502794
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/06:00055019
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mesoporous silica-alumina; hydrothermal stability; pore size distribution (en)
http://linked.open.../riv/klicoveSlovo	mesoporous silica-alumina pore size distribution hydrothermal stability
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[21C7243451BB]
http://linked.open...i/riv/nazevZdroje	Microporous and Mesoporous Materials
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Nanostructured materials - texture from physical adsorption Study of factors influencing the activity and selectivity of supported bimetallic transition metal sulfides in HDS and HDN reactions
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	96
http://linked.open...iv/tvurceVysledku	Šolcová, Olga Vít, Zdeněk
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection
issn	1387-1811
number of pages	8 (xsd:int)

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