Comparison and performance of two cosmogenic nuclide sample preparation procedures of in situ produced 10Be and 26Al - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Radioanalytical and Nuclear Chemistry Année : 2021

Comparison and performance of two cosmogenic nuclide sample preparation procedures of in situ produced 10Be and 26Al

Résumé

Cosmogenic radionuclide 10 Be and 26 Al targets (BeO and Al 2 O 3 ) for AMS analysis are produced by a growing number of geochemical laboratories, employing different sample processing methods for the extraction of Be and Al from environmental materials. The reliability of this geochronological tool depends on data reproducibility independent from the preparation steps and the AMS measurements. Our results demonstrate that 10 Be and 26 Al concentrations of targets processed following different, commonly used protocols and measured at two AMS facilities lead to consistent results. However, insoluble fluoride precipitates, if formed during processing, can cause decreased 26 Al results, while 10 Be concentrations are unaffected.
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Dates et versions

hal-03321855 , version 1 (18-08-2021)

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Zsófia Ruszkiczay-Rüdiger, Stephanie Neuhuber, Regis Braucher, Johannes Lachner, Peter Steier, et al.. Comparison and performance of two cosmogenic nuclide sample preparation procedures of in situ produced 10Be and 26Al. Journal of Radioanalytical and Nuclear Chemistry, 2021, 329 (3), pp.1523-1536. ⟨10.1007/s10967-021-07916-4⟩. ⟨hal-03321855⟩
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