Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 29, issue 2
Articles | Volume 29, issue 2
https://doi.org/10.5194/hess-29-525-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-29-525-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 29, issue 2
Technical note
 | 
24 Jan 2025
Technical note |  | 24 Jan 2025

Technical note: A fast and reproducible autosampler for direct vapor equilibration isotope measurements

Jonas Pyschik, Stefan Seeger, Barbara Herbstritt, and Markus Weiler

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Short summary
We developed a device (named VapAuSa) that automates stable water isotope analysis. Stable water isotopes are a natural tracer that many researchers use to investigate water (re-)distribution processes in environmental systems. VapAuSa helps to analyse such environmental samples by automating a formerly tedious manual process, allowing for higher sample throughput. This enables larger sampling campaigns, as more samples can be processed before reaching their limited storage time.
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