What is it about?
A simple method for high-precison measurement of rare earth elements (REEs) in seawater
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Why is it important?
REEs are useful tracers for a range of oceanic processes. However, they present at extremely low concentrations in seawater, and vary at a very small scale. These require measurement of seawater REE concentrations with considerably high precision. This paper describes a simple and precise method for seawater REE analysis. The method has been applied to a large number of samples collected worldwide, including recent CoFeMUG and GEOTRACES cruises.
Perspectives
This is an important article on how to get high-precision (<3%, comparable to isotope-dilution TIMS method which is considered to give the most precise REE data) REE concentrations from only ~100ml seawater. Compared to isotope-dilution TIMS, or full isotope-dilution for all REEs that have more than one isotope, this method is simple and efficient, but comparable precise at the same time.
Dr Xinyuan Zheng
University of Wisconsin System
Read the Original
This page is a summary of: A Robust Procedure for High-Precision Determination of Rare Earth Element Concentrations in Seawater, Geostandards and Geoanalytical Research, November 2014, Wiley,
DOI: 10.1111/j.1751-908x.2014.00307.x.
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