Iridium as a permanent modifier for determination of cadmium and lead in sediment and biological samples by furnace atomization plasma emission spectrometry

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DOIResolve DOI: http://doi.org/10.1039/b203030f
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TypeArticle
Journal titleJournal of Analytical Atomic Spectrometry
ISSN0267-9477
Volume17
Issue7
Pages693698; # of pages: 6
AbstractThe use of iridium as a permanent modifier for the determination of lead and cadmium in marine sediment and biological tissues by furnace atomization plasma emission spectrometry (FAPES) was evaluated. The Ir coating procedure, atomization conditions and FAPES parameters were optimized for best analytical response and minimum background signal. Good precision (less than 3% RSD) can be achieved with the proposed method. Certified Reference Materials from the National Research Council of Canada were analyzed to verify the accuracy of this technique. Matrix interference was compensated for by the use of standard additions calibration and good agreement was achieved between found and certified values. Detection limits of 3.8 ng g−1 for Pb and 4.0 ng g−1 for Cd in MESS-3 and PACS-2 marine sediment and 4.1ng g−1 for Pb and 2.2 ng g−1 for Cd in DOLT-2 and TORT-2 biological tissues were obtained.
Publication date
LanguageEnglish
AffiliationNRC Institute for National Measurement Standards; National Research Council Canada
Peer reviewedNo
Identifier10391186
NRC number110
NPARC number8897726
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Record identifiere15dbb2b-1288-4a22-b987-e577d346c42c
Record created2009-04-22
Record modified2016-05-09
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