Transformation of ferrihydrite to hematite: An in situ investigation on the kinetics and mechanisms

Mineralogical Magazine

Volumn 72, Issue 1, 2008, Pages 217-220

  Vu, H P ^a   Shaw, S ^a   Benning, L G ^a  

^a UNIVERSITY OF LEEDS   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTALLIZATION; DIFFRACTION; HEMATITE; LEAD; NANOCRYSTALLINE ALLOYS; OXIDE MINERALS;

2D GROWTHS; CRYSTALLIZATION STAGES; DIFFRACTION DATUMS; ELECTRON MICROSCOPIC IMAGES; ELEVATED TEMPERATURES; ENERGY DISPERSIVE; FERRIHYDRITE; HIGH PH; HIGH RESOLUTIONS; IN SITU INVESTIGATIONS; IN-SITU; KINETICS AND MECHANISMS; TIME-RESOLVED; X-RAY DIFFRACTIONS;

IRON ORES;

CONFERENCE PROCEEDING; CRYSTALLIZATION; ELECTRON MICROSCOPY; FERRIHYDRITE; HEMATITE; IN SITU TEST; LEAD; PH; REACTION KINETICS; X-RAY DIFFRACTION;

EID: 57249088503     PISSN: 0026461X     EISSN: None     Source Type: Journal    
DOI: 10.1180/minmag.2008.072.1.217     Document Type: Conference Paper

References (12)

1. Avrami, M. (1940) Kinetics of phase change, II. Journal of Chemical Physics, 8, 212-224.
2. Bao, H. and Koch, P.L. (1999) Oxygen isotope fractionation in ferric oxide-water systems: Low temperature synthesis. Geochimica et Cosmochimica Acta, 63, 599-613.
3. Cornell, R.M. and Schwertmann, U. (2003) The Iron Oxides: Structure, Properties, Reactions, Occurrences and Uses. VCH Verlag, Weinheim. 664 pp.
4. Davidson, L., Shaw, S. and Benning, L.G. (2008) The kinetics and mechanisms of schwertmannite transformation to goethite and hematite under alkaline conditions. American Mineralogist, (in press).
5. Fischer, W.R. and Schwertmann, U. (1975) The formation of hematite from amorphous iron (III) hydroxide. Clays and Clay Minerals, 23, 33-37.
6. Ford, R.G., Kemner, K.M. and Bertsch, P.M. (1999). Influence of sorbate-sorbent interactions on the crystallization kinetics of nickel- and lead-ferrihydrite coprecipitates. Geochimica et Cosmochimica Acta, 63, 39-48.
7. Hulbert, S.F. (1969) Models of solid-state reactions in powder compacts: A review. Journal of the British Ceramics Society, 6, 11-20.
8. Lasaga, A.C. (1998) Kinetic Theory in the Earth Sciences. Princeton University Press, Princeton, New Jersey. 811 pp.
9. Martínez, C.E., Sauvé, S., Jacobson, A. and Mcbride, M.B. (1999) Thermally induced release of adsorbed Pb upon aging ferrihydrite and soil oxides. Environmental Science and Technology, 33, 2016-2020.
10. Schwertmann, U. and Murad, E. (1983) Effect of pH on the formation of goethite and hematite from ferrihydrite. Clays and Clay Minerals, 31, 277-284.
11. 2): an in situ synchrotron study. Chemical Geology, 167, 129-140.
12. Shaw, S., Pepper, S.E., Bryan, N.D. and Livens, F.R. (2005) The kinetics and mechanisms of goethite and hematite crystallization under alkaline conditions, and in the presence of phosphate. American Mineralogist, 90, 1852-1860.