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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F11%3A00359686%21RIV12-GA0-61388955
rdf:type
skos:Concept n10:Vysledek
dcterms:description
The direct introduction of boron into the framework of germanosilicate zeolites with UTL topology using different organic spiro azo compounds as structure-directing agents (SDAs) was performed. The influence of the SDA's nature, chemical composition and pH of the reaction mixture, and duration of the synthesis on the phase selectivity, limit of isomorphous introduction of boron into the zeolite framework and its location and coordination, and adsorption and acidic properties of prepared borogermanosilicates was investigated in detail. Experimental data provided clear evidence that the properties of the SDAs control the upper limit of the B content in the reaction mixture for successful synthesis of a pure UTL phase. UTL is formed in the pH region having the highest concentration of Ge8O15(OH)53– (D4R) in water. In synthesized UTL samples the contents of Si and Ge depend particularly on the pH values of the reaction mixtures with similar chemical compositions. The direct introduction of boron into the framework of germanosilicate zeolites with UTL topology using different organic spiro azo compounds as structure-directing agents (SDAs) was performed. The influence of the SDA's nature, chemical composition and pH of the reaction mixture, and duration of the synthesis on the phase selectivity, limit of isomorphous introduction of boron into the zeolite framework and its location and coordination, and adsorption and acidic properties of prepared borogermanosilicates was investigated in detail. Experimental data provided clear evidence that the properties of the SDAs control the upper limit of the B content in the reaction mixture for successful synthesis of a pure UTL phase. UTL is formed in the pH region having the highest concentration of Ge8O15(OH)53– (D4R) in water. In synthesized UTL samples the contents of Si and Ge depend particularly on the pH values of the reaction mixtures with similar chemical compositions.
dcterms:title
Isomorphous Introduction of Boron in Germanosilicate Zeolites with UTL Topology Isomorphous Introduction of Boron in Germanosilicate Zeolites with UTL Topology
skos:prefLabel
Isomorphous Introduction of Boron in Germanosilicate Zeolites with UTL Topology Isomorphous Introduction of Boron in Germanosilicate Zeolites with UTL Topology
skos:notation
RIV/61388955:_____/11:00359686!RIV12-GA0-61388955
n10:predkladatel
n14:ico%3A61388955
n3:aktivita
n4:P n4:Z
n3:aktivity
P(GA203/08/0604), P(GAP106/11/0819), Z(AV0Z40400503)
n3:cisloPeriodika
10
n3:dodaniDat
n12:2012
n3:domaciTvurceVysledku
n9:7016662 n9:4492803 n9:9803076
n3:druhVysledku
n19:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
205930
n3:idVysledku
RIV/61388955:_____/11:00359686
n3:jazykVysledku
n7:eng
n3:klicovaSlova
UTL zeolite; boron incorporation; structure-directing agent
n3:klicoveSlovo
n13:structure-directing%20agent n13:boron%20incorporation n13:UTL%20zeolite
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[B7A9A5E9E243]
n3:nazevZdroje
Chemistry of Materials
n3:obor
n11:CF
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
6
n3:projekt
n18:GAP106%2F11%2F0819 n18:GA203%2F08%2F0604
n3:rokUplatneniVysledku
n12:2011
n3:svazekPeriodika
23
n3:tvurceVysledku
Shamzy, M. V. Shvets, O. V. Procházková, Dana Musilová, Zuzana Yaremov, P. S. Čejka, Jiří
n3:wos
000290594700011
n3:zamer
n17:AV0Z40400503
s:issn
0897-4756
s:numberOfPages
13
n20:doi
10.1021/cm200105f