Speciation without chromatography. Part 2. Determination of tributyltin by chloride generation flow injection atomic absorption spectrometry

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DOIResolve DOI: http://doi.org/10.1039/b208144j
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TypeArticle
Journal titleJournal of Analytical Atomic Spectrometry
ISSN0267-9477
Volume17
Issue11
Pages15111515; # of pages: 5
AbstractA procedure is described for the quantitation of tributyltin in aqueous samples and extracts based on its relatively high volatility in halide media, permitting vapour phase sampling from the headspace above such samples. Tributyltin chloride (TBT-Cl) was purged from various chloride containing aqueous matrices and collected on the surface of an iridium treated graphite tube for subsequent quantitation by graphite furnace atomic absorption. Iodide, bromide and chloride matrices were compared for their generation efficiency. The effect of acidity of the sample was also studied. An absolute detection limit of 1.3 ng TBT (as tin) was estimated, corresponding to a detection limit of 0.33 ng ml−1 for a 4 ml sub-sample. Method validation was achieved using NRCC PACS-2 (sediment) Certified Reference Material, for which reasonable agreement between certified and measured values of tributyltin content was obtained. A procedural concentration limit of detection of 66 ng g−1 TBT in the sediment could be achieved.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for National Measurement Standards
Peer reviewedNo
Identifier10391186
NRC number116
NPARC number5764374
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Record identifier658a25a0-120d-4ae4-aff1-21353681aeea
Record created2009-03-29
Record modified2016-05-09
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