About: Role of zeolitic oxygens during the decomposition of 15N2 18O over Fe-ferrierite

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Isotopic species of dioxygen released during the decomposition of 15N2 18O over Fe-ferrierite show that the zeolite oxygens participate in the reaction. While Fe-ferrierite alone dies not exchnage its oxygens with 18O2 below 400 oC, this exchange is very rapid in the mixture of 18O2 + N2O. The amount of participating zeolite oxygen (ca. 1-6 per iron atom) is practically the same in the latter case as in the decomposition of 15N2 18O. The time dependence of individual dioxygen isotope species released during the 15N2 18O decomposition points to the primary release of 18O2 which is very rapidly exchanged for the zeolite oxygen by a single-step mechanism. Isotopic species of dioxygen released during the decomposition of 15N2 18O over Fe-ferrierite show that the zeolite oxygens participate in the reaction. While Fe-ferrierite alone dies not exchnage its oxygens with 18O2 below 400 oC, this exchange is very rapid in the mixture of 18O2 + N2O. The amount of participating zeolite oxygen (ca. 1-6 per iron atom) is practically the same in the latter case as in the decomposition of 15N2 18O. The time dependence of individual dioxygen isotope species released during the 15N2 18O decomposition points to the primary release of 18O2 which is very rapidly exchanged for the zeolite oxygen by a single-step mechanism. (en) Isotopické specie molekulárního kyslíku uvolněného během rozkladu 15N2 18O na Fe-ferrieritu svědčí o tom, že kyslíky zeolitu se zúčastňují reakce. Zatímco Fe-ferrierit sám nevyměňuje svůj kyslík s 18O2 pod 400 oC, výměna je velmi rychlá ve směsi 18O2+N2O. Množství zahrnutého zeolitického kyslíku (ca 1-6 O per Fe) je v tomto případě prakticky stejné jako při rozkladu 15N218O. Časová závislost jednotlivých isotopických molekul kyslíku uvolněných během rozkladu 15N218O ukazuje, že se primárně uvolní 18O2, který se velmi rychle mění za kyslík zeolitu single-step mechanismem. (cs)
Title	Role of zeolitic oxygens during the decomposition of 15N2 18O over Fe-ferrierite Role of zeolitic oxygens during the decomposition of 15N2 18O over Fe-ferrierite (en) Úloha kyslíků zeolitu během rozkladu 15N2 18O na Fe-ferrieritu (cs)
skos:prefLabel	Role of zeolitic oxygens during the decomposition of 15N2 18O over Fe-ferrierite Role of zeolitic oxygens during the decomposition of 15N2 18O over Fe-ferrierite (en) Úloha kyslíků zeolitu během rozkladu 15N2 18O na Fe-ferrieritu (cs)
skos:notation	RIV/61388955:_____/05:00022530!RIV06-AV0-61388955
http://linked.open.../vavai/riv/strany	157;162
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1ET400400413), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Sobalík, Zdeněk Nováková, Jana Schwarze, Michael
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 fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	541452
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/05:00022530
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Fe-ferrierite; participation of zeolite oxygens; isotope composition (en)
http://linked.open.../riv/klicoveSlovo	isotope composition Fe-ferrierite participation of zeolite oxygens
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[5638D817867D]
http://linked.open...i/riv/nazevZdroje	Catalysis Letters
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of a program environment for mathematic simulations and predictions in catalysis and electrocatalysis
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	104
http://linked.open...iv/tvurceVysledku	Nováková, Jana Sobalík, Zdeněk Schwarze, Michael
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	1011-372X
number of pages	6 (xsd:int)

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