Oxidation of Dissolved Tetravalent Selenium by Birnessite: Se Isotope Fractionation and the Effects of pH and Birnessite Structure

Oxidation of Dissolved Tetravalent Selenium by Birnessite: Se Isotope Fractionation and the Effects of pH and Birnessite Structure

Redox reactions control the mobility and bioavailability of selenium (Se) in biogeochemical systems, both modern and ancient. Se isotope ratio measurements (e.g., 82Se/76Se) have been developed to enhance understanding of biogeochemical transformations and transport of Se. Stable isotope ratios of m...

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Bibliographic Details
Main Authors: Pranjal Dwivedi, Kathrin Schilling, Naomi Wasserman, Thomas M. Johnson, Celine Pallud
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-07-01
Series:Frontiers in Earth Science
Subjects:
isotope geochemistry
manganese oxides
Rayleigh fractionation
selenium oxidation
paleoredox
Online Access:https://www.frontiersin.org/articles/10.3389/feart.2022.909900/full

Internet

https://www.frontiersin.org/articles/10.3389/feart.2022.909900/full

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