Articles | Volume 1, issue 1
Geochronology, 1, 43–52, 2019
https://doi.org/10.5194/gchron-1-43-2019
Geochronology, 1, 43–52, 2019
https://doi.org/10.5194/gchron-1-43-2019
Research article
09 Oct 2019
Research article | 09 Oct 2019

Isolation of quartz for cosmogenic in situ 14C analysis

Keir A. Nichols and Brent M. Goehring

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Latest update: 20 Sep 2022
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Short summary
We describe observations of anomalously high measurements of C-14 made from geologic material. We undertake a systematic investigation to identify the source of contamination, which we hypothesise is sourced from a commonly used method that is used prior to sample analysis. We find that the method does introduce modern carbon to samples and elevates C-14 measurements. We describe a standard procedure that effectively removes contamination from the aforementioned method.