About: Water adsorption on high silica zeolites, Formation of hydroxonium ions and hydrogen-bonded adducts

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About: Water adsorption on high silica zeolites, Formation of hydroxonium ions and hydrogen-bonded adducts Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	An in situ high-pressure/high-temperature FTIR spectroscopy technique was used for analysis of water adsorption on ZSM-5 and ferrierite zeolites. Adsorbed water in zeolite channels is present in neutral hydrogen-bonded adducts at low coverage, whereas at higher coverage protonated species H+(H2O)n are formed. The protonated species are easily stabilized in narrow zeolite channels and at higher density of aluminium atoms in the zeolite framework. Moreover, formation of hydroxonium ions is supported by increasing overall pressure. Conditions combining the temperature and pressure for manifestation of both forms of water adsorption have been analyzed. An in situ high-pressure/high-temperature FTIR spectroscopy technique was used for analysis of water adsorption on ZSM-5 and ferrierite zeolites. Adsorbed water in zeolite channels is present in neutral hydrogen-bonded adducts at low coverage, whereas at higher coverage protonated species H+(H2O)n are formed. The protonated species are easily stabilized in narrow zeolite channels and at higher density of aluminium atoms in the zeolite framework. Moreover, formation of hydroxonium ions is supported by increasing overall pressure. Conditions combining the temperature and pressure for manifestation of both forms of water adsorption have been analyzed. (en)
Title	Water adsorption on high silica zeolites, Formation of hydroxonium ions and hydrogen-bonded adducts Water adsorption on high silica zeolites, Formation of hydroxonium ions and hydrogen-bonded adducts (en)
skos:prefLabel	Water adsorption on high silica zeolites, Formation of hydroxonium ions and hydrogen-bonded adducts Water adsorption on high silica zeolites, Formation of hydroxonium ions and hydrogen-bonded adducts (en)
skos:notation	RIV/61388955:_____/08:00315407!RIV10-AV0-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1QS400400560), Z(AV0Z40400503)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Sobalík, Zdeněk Tvarůžková, Zdenka Sazama, Petr Jirglová, Hana
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	405533
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/08:00315407
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	H2O adsorption; zeolites; ZSM-5; ferrierite (en)
http://linked.open.../riv/klicoveSlovo	zeolites H2O adsorption ferrierite ZSM-5
http://linked.open...ontrolniKodProRIV	[5BEDA8F3EE7B]
http://linked.open...v/mistoKonaniAkce	Paris
http://linked.open...i/riv/mistoVydani	Oxford
http://linked.open...i/riv/nazevZdroje	Zeolites and Related Materials: Trends, Targets and Challenges
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Joint laboratory of ÚFCH JH and VÚANCH for development of catalytic processes
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Sazama, Petr Sobalík, Zdeněk Tvarůžková, Zdenka Jirglová, Hana
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2008-09-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Elsevier
https://schema.org/isbn	978-0-444-53297-8

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