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Mass spectrometry and natural variations of iron isotopes

Nicolas Dauphas

Corresponding Author

E-mail address:dauphas@uchicago.edu

Origins Laboratory, Department of the Geophysical Sciences, Enrico Fermi Institute, and Chicago Center for Cosmochemistry, The University of Chicago, 5734 South Ellis Avenue, Chicago, Illinois 60637

Origins Laboratory, Department of the Geophysical Sciences and Enrico Fermi Institute, The University of Chicago, 5734 South Ellis Avenue, Chicago IL 60637.
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Olivier Rouxel

Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry Department, MS#8, Woods Hole, Massachusetts 02543

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First published: 28 April 2006
Cited by: 151

Abstract

An Erratum has been published for this article in Mass Spectrometry Reviews 25: 831–832, 2006.

Although the processes that govern iron isotope variations in nature are just beginning to be understood, multiple studies attest of the virtue of this system to solve important problems in geosciences and biology. In this article, we review recent advances in the geochemistry, cosmochemistry, and biochemistry of iron isotopes. In Section 2, we briefly address the question of the nucleosynthesis of Fe isotopes. In Section 3, we describe the different methods for purifying Fe and analyzing its isotopic composition. The methods of SIMS, RIMS, and TIMS are presented but more weight is given to measurements by MC‐ICPMS. In Section 4, the isotope anomalies measured in extraterrestrial material are briefly discussed. In Section 5, we show how high temperature processes like evaporation, condensation, diffusion, reduction, and phase partitioning can affect Fe isotopic composition. In Section 6, the various low temperature processes causing Fe isotopic fractionation are presented. These involve aqueous and biologic systems. © 2006 Wiley Periodicals, Inc., Mass Spec Rev 25:515–550, 2006

Number of times cited: 151

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