About: Pore-Volume and Surface Area in Microporous-Mesoporous Solids

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	To show the correct evaluation of pore-volume and surface area in microporous-mesoporous samples a series of mechanical mixtures of microporous zeolite NaY, and mesoporous gama-alumina was prepared. The nitrogen adsorption isotherms (77 K) were analyzed by the modified (three parameters) BET equation and compared with the independent textural information obtained a) from t-plots (with the standard isotherm of nonporous alfa-alumina and the standard isotherms of Lecloux-Pirard) and b) by subtracting the isotherm of the parent NaY from mixed sample isotherms. For illustration, the failure of classic (two-parameter) BET equation for samples of this type was demonstrated. To show the correct evaluation of pore-volume and surface area in microporous-mesoporous samples a series of mechanical mixtures of microporous zeolite NaY, and mesoporous gama-alumina was prepared. The nitrogen adsorption isotherms (77 K) were analyzed by the modified (three parameters) BET equation and compared with the independent textural information obtained a) from t-plots (with the standard isotherm of nonporous alfa-alumina and the standard isotherms of Lecloux-Pirard) and b) by subtracting the isotherm of the parent NaY from mixed sample isotherms. For illustration, the failure of classic (two-parameter) BET equation for samples of this type was demonstrated. (en) Korektní stanovení objemu pórů včetně mikropórů a plochy mesopórů je předvedeno na sadě vzorků obsahujících mikroporézní zeolit NaY a mesoporézní gama aluminu v různém poměru. (cs)
Title	Pore-Volume and Surface Area in Microporous-Mesoporous Solids Stanovení objemu a plochy pórů v materiálech s mikro i mesoporézní strukturou (cs) Pore-Volume and Surface Area in Microporous-Mesoporous Solids (en)
skos:prefLabel	Pore-Volume and Surface Area in Microporous-Mesoporous Solids Stanovení objemu a plochy pórů v materiálech s mikro i mesoporézní strukturou (cs) Pore-Volume and Surface Area in Microporous-Mesoporous Solids (en)
skos:notation	RIV/67985858:_____/08:00313858!RIV09-AV0-67985858
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA4072404), P(KAN400720701), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Schneider, Petr 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	387553
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/08:00313858
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	adsorption isotherm; microporous-mesoporous samples; modified BET equation (en)
http://linked.open.../riv/klicoveSlovo	adsorption isotherm modified BET equation microporous-mesoporous samples
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[69873E9664A2]
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	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Diffusion coefficents and other transport characteristics of specially shaped porous supports and catalysts Hierarchic nanosystems for microelektronics
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	115
http://linked.open...iv/tvurceVysledku	Schneider, Petr Šolcová, Olga Hudec, P.
http://linked.open...ain/vavai/riv/wos	259845000031
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	6 (xsd:int)

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