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An acetic-acid-based extraction protocol for the recovery of U, Th and Pb from calcium-carbonates for U-(Th)-Pb geochronology

Abstract:

A new method for the simultaneous recovery of U, Th and Pb from c. 0.5 g calcium carbonate samples for the purpose of U-(Th)-Pb geochronometry is presented. The protocol employs ion-exchange chromatography. Standard anion-exchange resin (AG 1-X8 100-200 mesh) is used as the static phase and 90% acetic acid is used as the mobile phase to elute the unwanted matrix components; dilute nitric acid is used to elute the U, Th, and Pb. Blanks of 1.8 pg Th, 6.4 pg Pb and 8.4 pg U have been obtained...

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Publication status:
Published
Peer review status:
Not peer reviewed
Version:
Author's Original

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Publisher copy:
10.1111/j.1751-908X.2013.00219.x

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Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Earth Sciences
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Earth Sciences
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Earth Sciences
Natural Environment Research Council More from this funder
Publisher:
Wiley Publisher's website
Journal:
Geostandards and Geoanalytical Research Journal website
Volume:
37
Issue:
3
Pages:
261–275
Publication date:
2013-09-05
DOI:
EISSN:
1751-908X
URN:
uuid:284d5129-840c-4c15-b6c8-470dc8420163
Local pid:
ora:7577

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