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Comment on “FeS colloids – formation and mobilization pathways in natural waters” by Noël et al., Environ. Sci. Nano, 2020, 7, 2102–2116

Title data

Peiffer, Stefan:
Review of: Comment on “FeS colloids – formation and mobilization pathways in natural waters” by Noël et al., Environ. Sci. Nano, 2020, 7, 2102–2116.
In: Environmental Science: Nano. Vol. 8 (21 May 2021) .
ISSN 2051-8161
DOI: https://doi.org/10.1039/d0en00967a

Project information

Project financing: Deutsche Forschungsgemeinschaft
DFG Research UNIT 580

Abstract in another language

In this comment, I am critically discussing observations made in the study by Noël et al. (2020) on the formation of FeS colloids (passing through 0.02 μm filters) during sulfidation of ferrihydrite at different S(−II)/Fe(III) ratios. The authors argue that at low ratios remarkably stable colloidal FeS clusters are forming that may be of paramount environmental relevance. Since the authors did only study the iron side of these colloids and not the sulfur side, I am proposing that there is quite some evidence from a series of studies performed in our group that these clusters may be precursors of pyrite (FeSx) or even nanopyrite (FeS2) but not FeS.

Further data

Item Type: Review
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Hydrology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Hydrology > Chair Hydrology - Univ.-Prof. Dr. Stefan Peiffer
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 550 Earth sciences, geology
Date Deposited: 27 May 2021 06:48
Last Modified: 27 May 2021 06:48
URI: https://eref.uni-bayreuth.de/id/eprint/65349