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Author Robberecht, H.; Van Grieken, R.
Title Determination of trace selenium in biological material by preconcentration and X-ray emission spectrometry Type A1 Journal article
Year 1983 Publication Analytica chimica acta Abbreviated Journal
Volume 147 Issue Pages 113-121
Keywords A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract Selenium is determined in the ng g−1 to μg g−1 range in biological and environmental samples. A wet digestion procedure was optimized with respect to volatility losses and recovery yields, by using 75Se metabolically incorporated into rat organs. Selenium is preconcentrated from the digestion liquid by a two-step reduction with 4 M HCl and ascorbic acid. The colloidal selenium formed is adsorbed on activated carbon and filtered on a Nucleopore membrane for measurement by energy-dispersive x-ray fluorescence. Almost complete recovery was obtained, and the detection limit was 20 ng, corresponding to 10 ng g−1 for a 2-g sample. Biological reference materials were analyzed with satisfactory results, and the accuracy of the method was good.
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos A1983QH42100010 Publication Date 2002-07-25
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0003-2670; 1873-4324 ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor Times cited Open Access
Notes (up) Approved no
Call Number UA @ admin @ c:irua:116442 Serial 7794
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Author Robberecht, H.; Van Grieken, R.
Title Selenium content and speciation in environmental waters determied by X-ray fluorescence spectroscopy Type H3 Book chapter
Year 1980 Publication Abbreviated Journal
Volume Issue Pages 362-366 T2 - Trace substances in environmental hea
Keywords H3 Book chapter; Pharmacology. Therapy; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes (up) Approved no
Call Number UA @ admin @ c:irua:117481 Serial 8505
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Author Robberecht, H.; Van Grieken, R.
Title Selenium in environmental waters : determination, speciation and concentration levels Type A1 Journal article
Year 1982 Publication Talanta : the international journal of pure and applied analytical chemistry Abbreviated Journal
Volume 29 Issue 10 Pages 823-844
Keywords A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Abstract This article reviews the different methods used for the determination of selenium species in all types of environmental waters. Basic difficulties are discussed and the efficiency of the methods is explained in view of the sub-μg/1. concentration levels. Special attention is paid to preconcentration steps. Published data on speciation and concentration levels in various water samples are critically reviewed.
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos A1982PK22900004 Publication Date 2002-07-25
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0039-9140; 1873-3573 ISBN Additional Links UA library record; WoS full record; WoS citing articles
Impact Factor Times cited Open Access
Notes (up) Approved no
Call Number UA @ admin @ c:irua:113627 Serial 8509
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