Articles | Volume 25, issue 9
https://doi.org/10.5194/hess-25-5219-2021
https://doi.org/10.5194/hess-25-5219-2021
Technical note
 | 
27 Sep 2021
Technical note |  | 27 Sep 2021

Technical note: Unresolved aspects of the direct vapor equilibration method for stable isotope analysis (δ18O, δ2H) of matrix-bound water: unifying protocols through empirical and mathematical scrutiny

Benjamin Gralher, Barbara Herbstritt, and Markus Weiler

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Latest update: 27 Feb 2024
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Short summary
We scrutinized the quickest currently available method for stable isotope analysis of matrix-bound water. Simulating common procedures, we demonstrated the limits of certain materials currently used and identified a reliable and cost-efficient alternative. Further, we calculated the optimum proportions of important protocol aspects critical for precise and accurate analyses. Our unifying protocol suggestions increase data quality and comparability as well as the method's general applicability.