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Statements

Subject Item
n2:RIV%2F68407700%3A21340%2F03%3A04092452%21RIV%2F2004%2FGA0%2F213404%2FN
rdf:type
n19:Vysledek skos:Concept
dcterms:description
Nature of acid or basic sites, their amount and distribution of their strength in the zeolitic lattice belong to the most important problem of surface chemistry. The aim of our study was to estimate the location of chemisorbed species in the lattice and to elucidate the role and participation of lattice oxygen types in chemisorption of methylium ions. We have decided to carry out our experimental study on well developed crystals of NaX and NaLSX zeolites with high content of sodium cations and with low content of defects and decationation. Distribution of chemisorbed methyl groups and sodium cations in the structure of NaX and NaY zeolites was studied by neutron diffraction and NMR technique. Nature of acid or basic sites, their amount and distribution of their strength in the zeolitic lattice belong to the most important problem of surface chemistry. The aim of our study was to estimate the location of chemisorbed species in the lattice and to elucidate the role and participation of lattice oxygen types in chemisorption of methylium ions. We have decided to carry out our experimental study on well developed crystals of NaX and NaLSX zeolites with high content of sodium cations and with low content of defects and decationation. Distribution of chemisorbed methyl groups and sodium cations in the structure of NaX and NaY zeolites was studied by neutron diffraction and NMR technique.
dcterms:title
Structure Analysis of NaX and NaLSX Zeolites with Methoxy Groups by Powder Neutron Diffraction Structure Analysis of NaX and NaLSX Zeolites with Methoxy Groups by Powder Neutron Diffraction
skos:prefLabel
Structure Analysis of NaX and NaLSX Zeolites with Methoxy Groups by Powder Neutron Diffraction Structure Analysis of NaX and NaLSX Zeolites with Methoxy Groups by Powder Neutron Diffraction
skos:notation
RIV/68407700:21340/03:04092452!RIV/2004/GA0/213404/N
n3:strany
200 ; 200
n3:aktivita
n7:P n7:Z
n3:aktivity
P(GA202/03/0891), Z(MSM 210000021)
n3:dodaniDat
n12:2004
n3:domaciTvurceVysledku
n10:4241312 n10:5626293
n3:druhVysledku
n16:D
n3:duvernostUdaju
n21:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
629226
n3:idVysledku
RIV/68407700:21340/03:04092452
n3:jazykVysledku
n13:eng
n3:klicovaSlova
Neutron diffraction Structure analysis Zeolitic catalysts
n3:klicoveSlovo
n11:Neutron%20diffraction%20Structure%20analysis%20Zeolitic%20catalysts
n3:kontrolniKodProRIV
[0485F6F4B731]
n3:mistoKonaniAkce
Dubna
n3:mistoVydani
Dubna
n3:nazevZdroje
Abstract Book of XIIth International Conference on Selected Problems of Modern Physics on Neutron Scattering
n3:obor
n15:BM
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n20:GA202%2F03%2F0891
n3:rokUplatneniVysledku
n12:2003
n3:tvurceVysledku
Dlouhá, Maja Bosáček, V. Vratislav, Stanislav
n3:typAkce
n14:WRD
n3:zahajeniAkce
2003-06-08+02:00
n3:zamer
n6:MSM%20210000021
s:numberOfPages
1
n18:hasPublisher
Joint Institute for Nuclear Research
n8:isbn
5-9530-0019-7
n22:organizacniJednotka
21340