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Appl Environ Microbiol. 1993 August; 59(8): 2727–2729.
PMCID: PMC182347

Composition of Non-Microbially Reducible Fe(III) in Aquatic Sediments


The production of small quantities of Fe(II) during the initial phase of microbial Fe(III) reduction greatly increased the amount of Fe(III) that could be extracted from freshwater sediments with oxalate. This finding and other evidence suggest that the oxalate-extractable Fe(III) that is unavailable for microbial reduction in anoxic sediments is not in the form of mixed Fe(III)-Fe(II) forms, as was previously suggested, but rather is in the form of highly crystalline Fe(III) oxides.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Lovley DR. Dissimilatory Fe(III) and Mn(IV) reduction. Microbiol Rev. 1991 Jun;55(2):259–287. [PMC free article] [PubMed]
  • Lovley DR, Phillips EJ. Availability of ferric iron for microbial reduction in bottom sediments of the freshwater tidal potomac river. Appl Environ Microbiol. 1986 Oct;52(4):751–757. [PMC free article] [PubMed]
  • Lovley DR, Phillips EJ. Organic matter mineralization with reduction of ferric iron in anaerobic sediments. Appl Environ Microbiol. 1986 Apr;51(4):683–689. [PMC free article] [PubMed]
  • Lovley DR, Phillips EJ. Rapid assay for microbially reducible ferric iron in aquatic sediments. Appl Environ Microbiol. 1987 Jul;53(7):1536–1540. [PMC free article] [PubMed]

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