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Title: Precipitation pathways for ferrihydrite formation in acidic solutions

Journal Article · · Geochimica et Cosmochimica Acta
 [1];  [2];  [3];  [4];  [5];  [5];  [3];  [6];  [7]
  1. Univ. of Wyoming, Laramie, WY (United States). Dept. of Ecosystem Science and Management; Lawrence Berkeley National Lab., Berkeley, CA (United States). Earth Sciences Division
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source
  3. Technical Univ. of Denmark, Lyngby (Denmark). Dept. of Physics
  4. Univ. of Delaware, Newark, DE (United States). Dept. of Geological Sciences
  5. Univ. of California, Berkeley, CA (United States). Dept. of Earth and Planetary Science
  6. Univ. of California, Berkeley, CA (United States). Dept. of Earth and Planetary Science; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  7. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Earth Sciences Division

Iron oxides and oxyhydroxides form via Fe3+ hydrolysis and polymerization in many aqueous environments, but the pathway from Fe3+ monomers to oligomers and then to solid phase nuclei is unknown. In this work, using combined X-ray, UV-vis, and Mössbauer spectroscopic approaches, we were able to identify and quantify the long-time sought ferric speciation over time during ferric oxyhydroxide formation in partially-neutralized ferric nitrate solutions ([Fe3+]=0.2M, 1.8

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Danish Council for Independent Research (DFF)
Grant/Contract Number:
SC00112704; AC02-05CH11231; EAR-1529937; AC02-98CH10886; AC02-06CH11357; AC02-76SF00515
OSTI ID:
1228832
Alternate ID(s):
OSTI ID: 1398140; OSTI ID: 1456925
Report Number(s):
BNL-108457-2015-JA; R&D Project: LS001
Journal Information:
Geochimica et Cosmochimica Acta, Vol. 172, Issue C; ISSN 0016-7037
Publisher:
The Geochemical Society; The Meteoritical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 54 works
Citation information provided by
Web of Science

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Cited By (9)

Composition-Dependent Sorptive Fractionation of Anthropogenic Dissolved Organic Matter by Fe(III)-Montmorillonite journal March 2018
The Role of Bi 3+ in Promoting and Stabilizing Iron Oxo Clusters in Strong Acid journal April 2018
Condensed ferric dimers for green photocatalytic synthesis of nylon precursors journal January 2019
Direct Evidence for Ferrous Ion Oxidation and Incorporation in the Absence of Oxidants by Dps from Marinobacter hydrocarbonoclasticus journal December 2018
Evolution of the reactive surface area of ferrihydrite: time, pH, and temperature dependency of growth by Ostwald ripening journal January 2019
Iron speciation in iron–organic matter nanoaggregates: a kinetic approach coupling Quick-EXAFS and MCR-ALS chemometrics journal January 2019
Direct Evidence for Ferrous Ion Oxidation and Incorporation in the Absence of Oxidants by Dps from Marinobacter hydrocarbonoclasticus journal January 2019
The Role of Bi 3+ in Promoting and Stabilizing Iron Oxo Clusters in Strong Acid journal April 2018
Iron Aquo Complex as an Efficient and Selective Homogeneous Photocatalyst for Organic Synthetic Reactions journal October 2018

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