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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F13%3A10159152%21RIV14-MSM-11320___
rdf:type
n12:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1155/2013/179794
dcterms:description
Bentonite/iron oxide system is prepared by isothermal calcination of powder composed of bentonite clay and precursor containing ferric acetate. This preparation technique enables one to get the composite material directly, that is, iron oxide particles embedded in a bentonite matrix. Calcination temperature T-calc is varied from 320 degrees C to 700 degrees C. The resulting series of samples is characterized by local methods based on hyperfine interactions: Fe-57 nuclear magnetic resonance (NMR) and the Mossbauer spectroscopy. The results show that the phase composition changes significantly in dependence on calcination temperature. The amount of maghemite phase rapidly increases up to T-calc = 420 degrees C and decreases abruptly for T-calc higher than 460 degrees C. Bentonite/iron oxide system is prepared by isothermal calcination of powder composed of bentonite clay and precursor containing ferric acetate. This preparation technique enables one to get the composite material directly, that is, iron oxide particles embedded in a bentonite matrix. Calcination temperature T-calc is varied from 320 degrees C to 700 degrees C. The resulting series of samples is characterized by local methods based on hyperfine interactions: Fe-57 nuclear magnetic resonance (NMR) and the Mossbauer spectroscopy. The results show that the phase composition changes significantly in dependence on calcination temperature. The amount of maghemite phase rapidly increases up to T-calc = 420 degrees C and decreases abruptly for T-calc higher than 460 degrees C.
dcterms:title
Bentonite/Iron Oxide Composites: Preparation and Characterization by Hyperfine Methods Bentonite/Iron Oxide Composites: Preparation and Characterization by Hyperfine Methods
skos:prefLabel
Bentonite/Iron Oxide Composites: Preparation and Characterization by Hyperfine Methods Bentonite/Iron Oxide Composites: Preparation and Characterization by Hyperfine Methods
skos:notation
RIV/00216208:11320/13:10159152!RIV14-MSM-11320___
n12:predkladatel
n20:orjk%3A11320
n3:aktivita
n14:S n14:P n14:I
n3:aktivity
I, P(ED2.1.00/03.0058), S
n3:cisloPeriodika
June
n3:dodaniDat
n11:2014
n3:domaciTvurceVysledku
n6:5055830 n6:9784624 n6:5110874 n6:2236249 n6:5770629 n6:4424212
n3:druhVysledku
n18:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
63105
n3:idVysledku
RIV/00216208:11320/13:10159152
n3:jazykVysledku
n16:eng
n3:klicovaSlova
nmr; biomedicine; mossbauer-spectroscopy; magnetic nanoparticles; maghemite nanoparticles
n3:klicoveSlovo
n4:mossbauer-spectroscopy n4:biomedicine n4:nmr n4:maghemite%20nanoparticles n4:magnetic%20nanoparticles
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[B2122BADAFF0]
n3:nazevZdroje
Journal of Nanomaterials
n3:obor
n10:BM
n3:pocetDomacichTvurcuVysledku
6
n3:pocetTvurcuVysledku
10
n3:projekt
n19:ED2.1.00%2F03.0058
n3:rokUplatneniVysledku
n11:2013
n3:svazekPeriodika
2013
n3:tvurceVysledku
Chlan, Vojtěch Řezníček, Richard Procházka, Vit Štěpánková, Helena Polakova, Katerina Medrik, Ivo Štěpánek, Josef Křišťan, Petr Cuda, Jan Kouřil, Karel
n3:wos
000322519000001
s:issn
1687-4110
s:numberOfPages
5
n15:doi
10.1155/2013/179794
n17:organizacniJednotka
11320