Nonbiological Fractionation of Iron Isotopes

Details Nonbiological Fractionation of Iron Isotopes Nonbiological Fractionation of Iron Isotopes

Apr 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000sci...288..126a&link_type=abstract

Science, Volume 288, Issue 5463, pp. 126-128 (2000).

Mathematics

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34

Scientific paper

Laboratory experiments demonstrate that iron isotopes can be chemically fractionated in the absence of biology. Isotopic variations comparable to those seen during microbially mediated reduction of ferrihydrite are observed. Fractionation may occur in aqueous solution during equilibration between inorganic iron complexes. These findings provide insight into the mechanisms of iron isotope fractionation and suggest that nonbiological processes may contribute to iron isotope variations observed in sediments.

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