About: Critical evaluation of sequential extraction and sink-float methods used for the determination of Ga and Ge affinity in lignite

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The affinites of Ga and Ge in lignite were determined using sequential extraction (SE) and element affinity calculation (EAC) based on sink-float data. For this study a bulk lignite sample was fractioned into two sets. The first set of samples (A) constisted of the different grain sizes fractions, the second one set (B) was prepared by density fractionation. Sequential extractions (1) were perfomed on both sets of fraction with very good agreement between determined organic elements affinites (OEA of GA evaluated from A data is 32%, from B data 35%, OEA of Ge evaluated from A data is 31% and from B data 26%). The data of B lignite fractions were evaluated using two element affinity calculations: (a) EAC (I) of Klika and Kolomazník (2) and b) newly prepared subroutine EAC (II) based on guantitative contens of lignite macerals and minerals. There was also good agreement between both methods obtained (OEA of Ga calculated by EAC (I) is 83% and by EAC (II) 77%, OEA of Ge Calculated by EAC (I) is 89% and by EAC (II) 97%). The significant differences of organic elements affinites of Ga and Ge evaluated by sequential extraction and by element affinity calculation based on sink-float data are discussed. The affinites of Ga and Ge in lignite were determined using sequential extraction (SE) and element affinity calculation (EAC) based on sink-float data. For this study a bulk lignite sample was fractioned into two sets. The first set of samples (A) constisted of the different grain sizes fractions, the second one set (B) was prepared by density fractionation. Sequential extractions (1) were perfomed on both sets of fraction with very good agreement between determined organic elements affinites (OEA of GA evaluated from A data is 32%, from B data 35%, OEA of Ge evaluated from A data is 31% and from B data 26%). The data of B lignite fractions were evaluated using two element affinity calculations: (a) EAC (I) of Klika and Kolomazník (2) and b) newly prepared subroutine EAC (II) based on guantitative contens of lignite macerals and minerals. There was also good agreement between both methods obtained (OEA of Ga calculated by EAC (I) is 83% and by EAC (II) 77%, OEA of Ge Calculated by EAC (I) is 89% and by EAC (II) 97%). The significant differences of organic elements affinites of Ga and Ge evaluated by sequential extraction and by element affinity calculation based on sink-float data are discussed. (en)
Title	Critical evaluation of sequential extraction and sink-float methods used for the determination of Ga and Ge affinity in lignite Critical evaluation of sequential extraction and sink-float methods used for the determination of Ga and Ge affinity in lignite (en)
skos:prefLabel	Critical evaluation of sequential extraction and sink-float methods used for the determination of Ga and Ge affinity in lignite Critical evaluation of sequential extraction and sink-float methods used for the determination of Ga and Ge affinity in lignite (en)
skos:notation	RIV/61989100:27600/09:00022430!RIV12-GA0-27600___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA105/06/0653), P(GA105/08/0913), Z(AV0Z30460519)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Kolomazník, Ivan
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 / Katedra matematiky a deskriptivní geometrie
http://linked.open...dnocenehoVysledku	308549
http://linked.open...ai/riv/idVysledku	RIV/61989100:27600/09:00022430
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ga, Ge, Sequential extraction, Density fractionation, Organic and inorganic affinity (en)
http://linked.open.../riv/klicoveSlovo	Ge Ga Density fractionation Organic and inorganic affinity Sequential extraction
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[467E670663C7]
http://linked.open...i/riv/nazevZdroje	Fuel
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (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. Evaluation and utilisation of lignite deposits of the Czech Republic
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	88
http://linked.open...iv/tvurceVysledku	Klika, Zdeněk Seidlerová, Jana Sýkorová, Jana Kolomazník, Ivan Ambružová, Lenka
http://linked.open...ain/vavai/riv/wos	000268164800005
http://linked.open...n/vavai/riv/zamer	Research into the properties of geomaterials, development of methods of their ecological exploitation and interpretation of geodynamic processes
issn	0016-2361
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	27600
is http://linked.open...avai/riv/vysledek of	Critical evaluation of sequential extraction and sink-float methods used for the determination of Ga and Ge affinity in lignite Critical evaluation of sequential extraction and sink-float methods used for the determination of Ga and Ge affinity in lignite

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