Determination of transition and rare earth elements in seawater by flow injection inductively coupled plasma time-of-flight mass spectrometry

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DOIResolve DOI: http://doi.org/10.1016/S0584-8547(01)00263-4
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TypeArticle
Journal titleSpectrochimica Acta Part B: Atomic Spectroscopy
ISSN05848547
Volume56
IssueSeptember 30 9
Pages17071716; # of pages: 10
SubjectInductively coupled plasma; Time-of-flight mass spectrometry; Trace elements; Rare earth elements; Flow injection; On-line separation and preconcentration; Seawater
AbstractA method is presented for the quantitation of trace elements and rare earth elements (REE) in seawater by inductively coupled plasma orthogonal acceleration time-of-flight mass spectrometry. On-line separation and preconcentration was achieved using a timed flow-injection (FI) system incorporating a column containing iminodiacetate-based resin. The procedure was validated for selected transition elements by analysis of certified seawater reference materials NASS-5 and CASS-4. Recoveries of the rare earth elements (REE) from seawater were between 96 and 101%. Limits of detection (3s) were generally in the 20–50-pg l−1 range with nominal precision of 5–6% R.S.D. (n=5) when processing 50-ml sample aliquots of seawater. Sample throughput was 5 h−1 for the REE determinations and 15 h−1 for the transition elements of interest.
Publication date
LanguageEnglish
AffiliationNRC Institute for National Measurement Standards; National Research Council Canada
Peer reviewedNo
Identifier10274169
NRC number160
NPARC number5763129
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Record identifier2f68562f-e20b-4ea8-8a20-f8b67c85f131
Record created2009-03-29
Record modified2016-05-09
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