Geochronology
Geochronology
GChron
Articles | Volume 5, issue 2
Articles | Volume 5, issue 2
https://doi.org/10.5194/gchron-5-361-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gchron-5-361-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 5, issue 2
Short communication/technical note
 | 
20 Sep 2023
Short communication/technical note |  | 20 Sep 2023

Technical note: Studying lithium metaborate fluxes and extraction protocols with a new, fully automated in situ cosmogenic 14C processing system at PRIME Lab

Nathaniel Lifton, Jim Wilson, and Allie Koester

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Short summary
We describe a new, fully automated extraction system for in situ 14C at PRIME Lab that incorporates more reliable components and designs than our original systems. We use a LiBO2 flux to dissolve a quartz sample in oxygen after removing contaminant 14C with a lower-temperature combustion step. Experiments with new Pt/Rh sample boats demonstrated reduced procedural blanks, and analyses of well-characterized intercomparison materials tested the effects of process variables on 14C yields.
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