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Statements

Subject Item
n2:RIV%2F61989100%3A27640%2F13%3A86086226%21RIV14-GA0-27640___
rdf:type
skos:Concept n18:Vysledek
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0032591013000818
dcterms:description
The natural Mg-vermiculite (VB) from Brazil and its Na-form (Na-VB) was studied after milling in ball, jet and vibrational mills. The morphology of vermiculite samples was studied using scanning electron microscopy (SEM) and the changes of vermiculite structures were monitored using X-ray diffraction (XRD) analysis. The particle size (PS) changes were characterized by the median particle size (d50), volume-weighted mean diameter (d43), mode diameter (dm) and span value. The surface changes of vermiculite samples were evaluated using ξ-potential measurements as a function of particle electrophoretic mobility (μ). The electrophoretic mobility (μ) of the VB and its milled samples was in the range of 1.16 to 1.96 10-4 m2/Vs and of the Na-VB and its milled samples were in range of 3.44 to 4.25 10-4 m2/Vs. The range of the difference in the ξ-potential of the VB was from -15.1 to -25.4 mV and Na-VB was from -55 mV to the -44.5 mV. Samples containing small particles and homogeneous particle size distribution showed a low value of ξ-potential. The natural Mg-vermiculite (VB) from Brazil and its Na-form (Na-VB) was studied after milling in ball, jet and vibrational mills. The morphology of vermiculite samples was studied using scanning electron microscopy (SEM) and the changes of vermiculite structures were monitored using X-ray diffraction (XRD) analysis. The particle size (PS) changes were characterized by the median particle size (d50), volume-weighted mean diameter (d43), mode diameter (dm) and span value. The surface changes of vermiculite samples were evaluated using ξ-potential measurements as a function of particle electrophoretic mobility (μ). The electrophoretic mobility (μ) of the VB and its milled samples was in the range of 1.16 to 1.96 10-4 m2/Vs and of the Na-VB and its milled samples were in range of 3.44 to 4.25 10-4 m2/Vs. The range of the difference in the ξ-potential of the VB was from -15.1 to -25.4 mV and Na-VB was from -55 mV to the -44.5 mV. Samples containing small particles and homogeneous particle size distribution showed a low value of ξ-potential.
dcterms:title
Characterization of vermiculite particles after different milling techniques Characterization of vermiculite particles after different milling techniques
skos:prefLabel
Characterization of vermiculite particles after different milling techniques Characterization of vermiculite particles after different milling techniques
skos:notation
RIV/61989100:27640/13:86086226!RIV14-GA0-27640___
n18:predkladatel
n19:orjk%3A27640
n3:aktivita
n5:P
n3:aktivity
P(ED1.1.00/02.0070), P(GAP210/11/2215)
n3:cisloPeriodika
January
n3:dodaniDat
n6:2014
n3:domaciTvurceVysledku
n11:4992148 n11:1233246
n3:druhVysledku
n10:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
65124
n3:idVysledku
RIV/61989100:27640/13:86086226
n3:jazykVysledku
n21:eng
n3:klicovaSlova
Zeta potential; particles analysis; X-ray powder diffrraction; ball jet and vibratory milling; vermiculite
n3:klicoveSlovo
n13:vermiculite n13:ball%20jet%20and%20vibratory%20milling n13:particles%20analysis n13:Zeta%20potential n13:X-ray%20powder%20diffrraction
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[2C887A2C7A65]
n3:nazevZdroje
Powder technology
n3:obor
n20:DB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n4:ED1.1.00%2F02.0070 n4:GAP210%2F11%2F2215
n3:rokUplatneniVysledku
n6:2013
n3:svazekPeriodika
239
n3:tvurceVysledku
Čech Barabaszová, Karla Valášková, Marta
n3:wos
000318581300033
s:issn
0032-5910
s:numberOfPages
7
n12:doi
10.1016/j.powtec.2013.01.053
n7:organizacniJednotka
27640