Biogeosciences
Biogeosciences
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Articles | Volume 23, issue 13
Articles | Volume 23, issue 13
https://doi.org/10.5194/bg-23-4859-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-4859-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 13
Technical note
 | 
14 Jul 2026
Technical note |  | 14 Jul 2026

Technical note: Kinetically resolved volatile and redox fingerprints of geologic materials by ramped combustion microchromatography

Shuzhuang Wu, Samuel L. Jaccard, and Matthieu E. Galvez

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Short summary

We present a novel analytical system that simultaneously measures mass loss, heat flow, gas emissions, and oxygen consumption during controlled heating. The method reveals how carbon, oxygen, and sulfur are stored, transformed, and recycled in geological materials. By providing high-resolution insights into thermal reactivity and redox processes, it helps identify hidden environmental changes and offers a powerful new tool for studying biogeochemical cycles and Earth’s environmental evolution.

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