About: Direct Determination of Selenium in Human Urine by Electrothermal Atomic Absorption Spectrometry with Deuterium Background Correction

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About: Direct Determination of Selenium in Human Urine by Electrothermal Atomic Absorption Spectrometry with Deuterium Background Correction Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The elaboration of methodology for the direct determination of Se in urine by ETAAS has been contributed by several authors with the predominant use of Zeeman-background correction (BC) systems which is less affected by spectral effects. A systematic study of several recommended, less commonly applied, and new chemical modifiers, resulted in the optimization of atomization conditions under which accurate analysis became possible also with the use of deuterium lamp BC. Pd (nitrate) + Sr (iodide) + Ag (nitrate) was found to be preferable for the determination of Se in urine. The use of this modifier resulted in the lowest detection limit (3.6 ug l-1) and characteristic mass value (17 pg) and ensured the analytical recoveries close to 100 %. Applying the modifier to standards and samples has enabled the use of matrix-free standard solutions for attaining accurate analysis of diluted urine samples. The accuracy was verified by the use of quality control reference materials and by comparison with RNAA meth The elaboration of methodology for the direct determination of Se in urine by ETAAS has been contributed by several authors with the predominant use of Zeeman-background correction (BC) systems which is less affected by spectral effects. A systematic study of several recommended, less commonly applied, and new chemical modifiers, resulted in the optimization of atomization conditions under which accurate analysis became possible also with the use of deuterium lamp BC. Pd (nitrate) + Sr (iodide) + Ag (nitrate) was found to be preferable for the determination of Se in urine. The use of this modifier resulted in the lowest detection limit (3.6 ug l-1) and characteristic mass value (17 pg) and ensured the analytical recoveries close to 100 %. Applying the modifier to standards and samples has enabled the use of matrix-free standard solutions for attaining accurate analysis of diluted urine samples. The accuracy was verified by the use of quality control reference materials and by comparison with RNAA meth (en)
Title	Direct Determination of Selenium in Human Urine by Electrothermal Atomic Absorption Spectrometry with Deuterium Background Correction Direct Determination of Selenium in Human Urine by Electrothermal Atomic Absorption Spectrometry with Deuterium Background Correction (en)
skos:prefLabel	Direct Determination of Selenium in Human Urine by Electrothermal Atomic Absorption Spectrometry with Deuterium Background Correction Direct Determination of Selenium in Human Urine by Electrothermal Atomic Absorption Spectrometry with Deuterium Background Correction (en)
skos:notation	RIV/00216275:25310/09:00008383!RIV10-MSM-25310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021627502)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Husáková, Lenka Šrámková, Jitka
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	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	310651
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/09:00008383
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Selenium; ETAAS; Urine analysis; Background correction; Chemical modifiers (en)
http://linked.open.../riv/klicoveSlovo	ETAAS Selenium Chemical modifiers Background correction Urine analysis
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[D200EF881978]
http://linked.open...i/riv/nazevZdroje	Scientific Papers of the University of Pardubice, Series A
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...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	15
http://linked.open...iv/tvurceVysledku	Husáková, Lenka Šrámková, Jitka
http://linked.open...n/vavai/riv/zamer	Pokročilé analytické a separační metody a jejich aplikace v diagnostice a technologii živých a neživých materiálů
issn	1211-5541
number of pages	15 (xsd:int)
http://localhost/t...ganizacniJednotka	25310

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