A method for the analysis of rare earth elements in natural waters by isotope dilution mass spectrometry
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A method is described to measure rare-earth elements (REE) in natural water samples. An iron hydroxide precipitation followed by ion-exchange chromatography is used to concentrate and separate the REE from other matrix components. Additionally, the rare-earth elements themselves ar separated into the fractions using an organic acid with a second cation column. Instrumental detection is by isotope dilution mass spectrometry (IDMS) using either thermal ionization mass spectrometry (TIMS) or inductively coupled plasma-mass spectrometry (ICP-MS). Excellent precision is shown by many duplicate and replicate analyses. Blanks are 1-2% or less of samples.
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The determination of rare earth elements in marine sediments by ion-exchange separation and ICP emission spectrometry Schneider, David L.; Bankston, Donald C. (Woods Hole Oceanographic Institution, 1987-12)A method has been developed to measure rare-earth elements (REE) in gram-sized marine sediment samples. A strong acid digestion technique followed by ion-exchange chromatography is used to solubilize, separate, and purify ...
Sen, Indra S.; Peucker-Ehrenbrink, Bernhard (2012-07)The extent to which humans are modifying Earth’s surface chemistry can be quantified by comparing total anthropogenic element fluxes with their natural counterparts (Klee & Graedel, 2004). We quantify anthropogenic mass ...
Sholkovitz, Edward R. (Woods Hole Oceanographic Institution, 1996-11)This technical report serves as an appendix to a recent article by Byrne and Sholkovitz (1996) in the Handbook on the Physics and Chemistry of Rare Earths (vol. 23, chapter 158, pg. 497-592) edited by K. A. Gschneidner ...