Rare Earth Element Concentrations in the Natural Water Reference Materials (NRCC) NASS‐5, CASS‐4 and SLEW‐3

The rare earth element and yttrium concentrations of the NRCC reference materials North Atlantic Surface seawater, NASS‐5; Coastal Atlantic Surface Seawater, CASS‐4; and the estuarine water, SLEW‐3 have been precisely determined by ICP‐MS after ca. 1:8 preconcentration following a triple chelation u...

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Bibliographic Details
Published in:Geostandards and Geoanalytical Research
Main Authors: Lawrence, Michael G., Kamber, Balz S.
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 2007
Subjects:
North Atlantic
Online Access:http://dx.doi.org/10.1111/j.1751-908x.2007.00850.x
https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1751-908X.2007.00850.x
https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1751-908X.2007.00850.x
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Summary:The rare earth element and yttrium concentrations of the NRCC reference materials North Atlantic Surface seawater, NASS‐5; Coastal Atlantic Surface Seawater, CASS‐4; and the estuarine water, SLEW‐3 have been precisely determined by ICP‐MS after ca. 1:8 preconcentration following a triple chelation using HDEHP (phosphoric acid 2‐ethylhexyl ester ‐mono and di ester mixture) in heptane, and back extraction in nitric acid. We propose reference values with uncertainties for all naturally occurring lanthanides and yttrium.

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