Continuous-flow microwave-assisted digestion of environmental samples using atomic spectrometric detection

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DOIResolve DOI: http://doi.org/10.1039/JA9951000981
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TypeArticle
Journal titleJournal of Analytical Atomic Spectrometry
ISSN0267-9477
Volume10
Issue11
Pages981986; # of pages: 6
AbstractA continuous-flow microwave-assisted digestion technique was tested with a view to the evaluation of its effectiveness for decomposition of environmental samples. A CEM SpectroPrep system was used at moderate powers and pressures of up to 2413 kPa to perform on-line digestion of slurried samples of biological tissues (0.5% m/v) and marine sediment (1% m/v). The efficiency of oxidation of biological matrices, as characterized by the residual carbon content of the solutions, was 64%. Recovery of trace elements averaged 90±1% and was accommodated with the use of suitable internal standards. Accuracy was verified by analysis of certified reference materials from the National Research Council of Canada, marine sediment BCSS-1 and lobster hepatopancreas tissue LUTS-1. Precision of measurement, as reflected in the determination of the trace metal content in replicate solutions, using a variety of atomic spectrometric techniques, was better than 1% RSD (relative standard deviation).
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedNo
Identifier10391186
NRC number1271
NPARC number8898931
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Record identifierc1228a80-8be6-4c87-922f-4f200a3faabc
Record created2009-04-22
Record modified2016-05-09
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