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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F14%3A39897851%21RIV15-MSM-25310___
rdf:type
n8:Vysledek skos:Concept
dcterms:description
An analysis of the effects of dopants concentration and different starting titanium compounds on the anatase to rutile phase transformation at the synthesis of rutile pigments Ti1-3xCrxNb2xO2 +/-delta is presented in this study. The main goal was to analyze reaction mixtures for x = 0.05 (previous study) and 0.30 by simultaneous TG-DTA analysis and to determine the temperature of anatase-rutile transition. For x = 0.05, initial temperatures 760-830 A degrees C are needful for a formation of rutile structure. The temperature is the lowest for the hydrated Na2Ti4O9 paste (760 A degrees C) and similar for other starting compounds of titanium. But for x = 0.30, the anatase-rutile transition begins at higher temperatures 910-1,030 A degrees C because of high-Nb content, which is the inhibitor of this modification change. In addition, we found the influence of calcination temperatures (850, 900, 950, 1000, 1050, 1100, and 1150 A degrees C) on color properties and particle size distribution of these materials prepared from anatase TiO2 and with x = 0.30. Selected pigments were also analyzed by X-ray powder diffraction. An analysis of the effects of dopants concentration and different starting titanium compounds on the anatase to rutile phase transformation at the synthesis of rutile pigments Ti1-3xCrxNb2xO2 +/-delta is presented in this study. The main goal was to analyze reaction mixtures for x = 0.05 (previous study) and 0.30 by simultaneous TG-DTA analysis and to determine the temperature of anatase-rutile transition. For x = 0.05, initial temperatures 760-830 A degrees C are needful for a formation of rutile structure. The temperature is the lowest for the hydrated Na2Ti4O9 paste (760 A degrees C) and similar for other starting compounds of titanium. But for x = 0.30, the anatase-rutile transition begins at higher temperatures 910-1,030 A degrees C because of high-Nb content, which is the inhibitor of this modification change. In addition, we found the influence of calcination temperatures (850, 900, 950, 1000, 1050, 1100, and 1150 A degrees C) on color properties and particle size distribution of these materials prepared from anatase TiO2 and with x = 0.30. Selected pigments were also analyzed by X-ray powder diffraction.
dcterms:title
The Influence of Concentration of Doping Elements on Anatase-Rutile Transformation at the Synthesis of Rutile Pigments (Ti,Cr,Nb)O2 and their Pigmentary Properties The Influence of Concentration of Doping Elements on Anatase-Rutile Transformation at the Synthesis of Rutile Pigments (Ti,Cr,Nb)O2 and their Pigmentary Properties
skos:prefLabel
The Influence of Concentration of Doping Elements on Anatase-Rutile Transformation at the Synthesis of Rutile Pigments (Ti,Cr,Nb)O2 and their Pigmentary Properties The Influence of Concentration of Doping Elements on Anatase-Rutile Transformation at the Synthesis of Rutile Pigments (Ti,Cr,Nb)O2 and their Pigmentary Properties
skos:notation
RIV/00216275:25310/14:39897851!RIV15-MSM-25310___
n4:aktivita
n11:S n11:I
n4:aktivity
I, S
n4:cisloPeriodika
2
n4:dodaniDat
n15:2015
n4:domaciTvurceVysledku
n9:3423646 n9:6868983 n9:7051425 n9:4315081
n4:druhVysledku
n6:J
n4:duvernostUdaju
n14:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
21359
n4:idVysledku
RIV/00216275:25310/14:39897851
n4:jazykVysledku
n17:eng
n4:klicovaSlova
Particle Size Distribution; Color Properties; X-ray Powder Diffraction; Simultaneous TG-DTA Analysis; Anatase-Rutile Transformation; Rutile Pigments
n4:klicoveSlovo
n5:Anatase-Rutile%20Transformation n5:Rutile%20Pigments n5:Simultaneous%20TG-DTA%20Analysis n5:X-ray%20Powder%20Diffraction n5:Particle%20Size%20Distribution n5:Color%20Properties
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[49248389257E]
n4:nazevZdroje
Journal of Thermal Analysis and Calorimetry
n4:obor
n10:CA
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
4
n4:rokUplatneniVysledku
n15:2014
n4:svazekPeriodika
116
n4:tvurceVysledku
Mikulášek, Petr Dohnalová, Žaneta Šulcová, Petra Večeřa, Jan
n4:wos
000334688900002
s:issn
1388-6150
s:numberOfPages
9
n18:doi
10.1007/s10973-013-3606-1
n12:organizacniJednotka
25310