Browsing Earth and Environmental Sciences by Subject "Smectite Clay-Minerals"

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Iron Isotope Fractionations Reveal a Finite Bioavailable Fe Pool for Structural Fe(III) Reduction in Nontronite

Shi, Bingjie; Liu, Kai; Wu, Lingling; Li, Weiqiang; Smeaton, Christina M.; Beard, Brian L.; Johnson, Clark M.; Roden, Eric E.; Van Cappellen, Philippe (American Chemical Society, 2017-08-16)

We report on stable Fe isotope fractionation during microbial and chemical reduction of structural Fe(III) in nontronite NAu-1. Fe-56/Fe-54 fractionation factors between aqueous Fe(II) and structural Fe(III) ranged from ...