Kinetic Isotope Effects During Reduction of Fe(III) to Fe(II): Large Normal and Inverse Isotope Effects for Abiotic Reduction and Smaller Fractionations by Phytoplankton in Culture

Kinetic Isotope Effects During Reduction of Fe(III) to Fe(II): Large Normal and Inverse Isotope Effects for Abiotic Reduction and Smaller Fractionations by Phytoplankton in Culture

Abstract Iron stable isotopes (δ56Fe) are a useful tool for studying Earth processes, many of which involve redox transformations between Fe(III) and Fe(II). Here, we present two related experimental efforts, a study of the kinetic isotope effects (KIEs) associated with the reduction of Fe(III)‐ethy...

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Main Authors: S. G. John, E. A. Boyle, B. R. Cunningham, F.‐X. Fu, S. Greene, C. Hodierne, D. A. Hutchins, A. Kavner, A. L. King, A. D. Rosenberg, M. A. Saito, A. Wasson
Format: Article
Language:English
Published: Wiley 2024-06-01
Series:Geochemistry, Geophysics, Geosystems
Subjects:
fractionation
diatom
ferrozine
Online Access:https://doi.org/10.1029/2023GC010952
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