About: Determination of element affinites by density fractionation of bulk coal samples

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A review has been made of the various methods of determining major and trace element affinities for different phases, both mineral and organic in coals, citing their various strengths and weaknesses. These include mathematical deconvolution of chemical analyses, direct microanalysis, sequential extraction procedures and density fractionation. A new methodology combining density fractionation with mathematical deconvolution of chemical analyses of whole coals and their density fractions has been evaluated. These coals formed part of the IEA-Coal Research project on the Modes of Occurrence of Trace Elements in Coal. Results were compared to a previously reported sequential extraction methodology and showed good agreement for most elements. For particular elements (Be, Mo, Cu, Se and REEs) in specific coals where disagreement was found, it was concluded that the occurrence of rare trace element bearing phases may account for the discerepancy, and modifications to the general procedure must be made to ac A review has been made of the various methods of determining major and trace element affinities for different phases, both mineral and organic in coals, citing their various strengths and weaknesses. These include mathematical deconvolution of chemical analyses, direct microanalysis, sequential extraction procedures and density fractionation. A new methodology combining density fractionation with mathematical deconvolution of chemical analyses of whole coals and their density fractions has been evaluated. These coals formed part of the IEA-Coal Research project on the Modes of Occurrence of Trace Elements in Coal. Results were compared to a previously reported sequential extraction methodology and showed good agreement for most elements. For particular elements (Be, Mo, Cu, Se and REEs) in specific coals where disagreement was found, it was concluded that the occurrence of rare trace element bearing phases may account for the discerepancy, and modifications to the general procedure must be made to ac (en)
Title	Determination of element affinites by density fractionation of bulk coal samples Determination of element affinites by density fractionation of bulk coal samples (en)
skos:prefLabel	Determination of element affinites by density fractionation of bulk coal samples Determination of element affinites by density fractionation of bulk coal samples (en)
skos:notation	RIV/61989100:27360/01:00000772!RIV/2002/MSM/273602/N
http://linked.open.../vavai/riv/strany	83-96
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(OK 350)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Weiss, Zdeněk Klika, Zdeněk
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	677384
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/01:00000772
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	coal geochemistry, Trace elements, Density fractionation, Organic and inorganic bounds (en)
http://linked.open.../riv/klicoveSlovo	Density fractionation Trace elements Organic and inorganic bounds coal geochemistry
http://linked.open...odStatuVydavatele	BE - Belgické království
http://linked.open...ontrolniKodProRIV	[F7D0CA9A5357]
http://linked.open...i/riv/nazevZdroje	Fuel
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OK%20350
http://linked.open...UplatneniVysledku	2001
http://linked.open...v/svazekPeriodika	80
http://linked.open...iv/tvurceVysledku	Klika, Zdeněk Weiss, Zdeněk Alastuey, A. Querol, X. Chenery, S. Finkelman, R. Juan, R. Kolker, A. López-Soler, A. Plana, F.
issn	0016-2361
number of pages	14 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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