About: Determination of Minerals in Coal by Methods Based on the Recalculation of the Bulk chemical Analyses

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Chemical Quantitative Phase Analysis (CQPA) suggested originally for magmatic rocks (Klika et al., 1986) now is tested for the quantitative mineral determination of coal. This method is based on the optimization procedure. For the evaluation of mineral contents, 5 coal samples were selected and the following analytical data were determined: a) chemical analyses (XRF, titrimetric and gravimetric analytical methods), b) qualitative mineral composition (the X-ray powder diffraction, SEM-EDX and image analyses), c) crystallochemical formulae of minerals. The calculated percentages of minerals obtained by CQPA were compared with calculated percentages of minerals obtained by Raask's method. Simple statistical evaluation showed that calculation of minerals by CQPA program delivers considerable improvement of results. Chemical Quantitative Phase Analysis (CQPA) suggested originally for magmatic rocks (Klika et al., 1986) now is tested for the quantitative mineral determination of coal. This method is based on the optimization procedure. For the evaluation of mineral contents, 5 coal samples were selected and the following analytical data were determined: a) chemical analyses (XRF, titrimetric and gravimetric analytical methods), b) qualitative mineral composition (the X-ray powder diffraction, SEM-EDX and image analyses), c) crystallochemical formulae of minerals. The calculated percentages of minerals obtained by CQPA were compared with calculated percentages of minerals obtained by Raask's method. Simple statistical evaluation showed that calculation of minerals by CQPA program delivers considerable improvement of results. (en)
Title	Determination of Minerals in Coal by Methods Based on the Recalculation of the Bulk chemical Analyses Determination of Minerals in Coal by Methods Based on the Recalculation of the Bulk chemical Analyses (en)
skos:prefLabel	Determination of Minerals in Coal by Methods Based on the Recalculation of the Bulk chemical Analyses Determination of Minerals in Coal by Methods Based on the Recalculation of the Bulk chemical Analyses (en)
skos:notation	RIV/61989100:27360/10:86076409!RIV11-GA0-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0040/01/01), P(GA105/08/0913)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Klika, Zdeněk Ritz, Michal
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	253769
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/10:86076409
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Chemical analysis.; Phase analysis; Coal (en)
http://linked.open.../riv/klicoveSlovo	Coal Chemical analysis. Phase analysis
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[0B0B9E454D93]
http://linked.open...i/riv/nazevZdroje	Acta geodynamica et geomaterialia
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Elemental afinity and phase composition: their relation to ash leachibility, volatility and adsorption of elements released at coal combustion. Regional materials science and technology centre
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	7
http://linked.open...iv/tvurceVysledku	Klika, Zdeněk Ritz, Michal
issn	1211-1910
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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