Applications of synchrotron-based X-ray diffraction and X-ray absorption spectroscopy to the understanding of poorly crystalline and metal-substituted Iron oxides

Developments in Soil Science

Volumn 34, Issue , 2010, Pages 199-254

  Singh, Balwant ^a   Gräfe, Markus ^a,c   Kaur, Navdeep ^a   Liese, Andrea ^b  

^a UNIVERSITY OF SYDNEY   (Australia)

^b TECHNISCHE UNIVERSITÄT BERLIN   (Germany)

^c Australian Minerals Research Centre   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 77955833730     PISSN: 01660918     EISSN: None     Source Type: Book Series    
DOI: None     Document Type: Book

References (143)

1. Alvarez, M., Rueda, E.H., Sileo, E.E., 2006. Structural characterization and chemical reactivity of synthetic Mngoethites and hematites. Chem. Geol. 231, 288-299.
2. Baes, C.F., Mesmer, R.E., 1976. The Hydrolysis of Cations. Wiley, New York.
3. Barrero, C.A., Arpe, J., Sileo, E.E., Sanchez, L.C., Zysler, R., Saragovi, C., 2004. Ni-and Zn-doped hematite obtained by combustion of mixed metal oxinates. Physica B 354, 27-34.
4. 4+ ions. Physica B 389, 88-93.
5. 3 prepared by hydrothermal synthesis. J. Solid State Chem. 130, 272-276.
6. 3: a study by neutron diffraction and Mössbauer spectroscopy. J. Solid State Chem. 151, 157-162.
7. Bhuiyan, T.I., Nakanishi, M., Kusano, Y., Fujii, T., Takada, J., Ikeda, Y., 2007. Synthesis, morphology and color tone properties of the lanthanum substituted hematite. Mat. Lett. 61, 3774-3777.
8. Blake, R.L., Hessevick, R.E., Zoltai, T., Finger, L.W., 1966. Refinement of the hematite structure. Am. Mineral. 51, 123-129.
9. Buchwald, U.F., Clarke, R.S.J., 1989. Corrosion of Fe-Ni alloys by Cl-containing akaganeite (β-FeOOH): the Antarctic meteorite case. Am. Mineral. 74, 656-667.
10. 2. Acta Crystallogr. 3, 146-154.
11. Cai, J., Liu, J., Gao, Z., Navrotsky, A., Suib, S.L., 2001. Synthesis and anion exchange of tunnel structure akaganeite. Chem. Mater. 13, 4595-4602.
12. Cambier, P., 1986a. Infrared study of goethites of varying crystallinity and particle size: I. Interpretation of OH and lattice vibrations frequencies. Clay Miner. 21, 191-200.
13. Cambier, P., 1986b. Infrared study of goethites of varying crystallinity and particle-size. 2. Cystallographic and morphological changes in series of synthetic goethites. Clay Miner. 21, 201-210.
14. 2 and oxidation rate on the formation of goethite versus lepidocrocite from an Fe(II) system at pH-6 and pH-7. Clay Miner. 25, 65-71.
15. Carroll, D., Richmond, W.R., 2008. Incorporation of molybdate anion into beta-FeOOH. Am. Mineral. 93, 1641-1646.
16. Carvalho-E-Silva, M.L., Ramos, A.Y., Tolentino, H.C.N., Enzweiler, J., Netto, S.M., Alves, M., 2003. Incorporation of Ni into natural goethite: an investigation by X-ray absorption spectroscopy. Am. Mineral. 88, 876-882.
17. Cheetham, A.K., 1993. Ab initio structure solution with powder diffraction data. In: Young, R.A. (Ed.), The Rietveld Method. Oxford University Press, New York, pp. 276-292.
18. Childs, C.W., Johnston, J.H., 1980. Mössbauer spectra of proto-ferrihydrite at 77 K and 295 K, and a reappraisal of the possible presence of akaganeite in New Zealand soils. Aust. J. Soil Res. 18, 245-250.
19. Christensen, H., Christensen, A.N., 1978. Hydrogen bonds of γ-FeOOH. Acta Chem. Scand. A 32, 87.
20. Christensen, A.N., Lehmann, M.S., Convert, P., 1982. Deuteration of crystalline hydroxides. Hydrogen bonds of γ-AlOO(H, D) and FeOO(H, D). Acta Chem. Scand. A 36, 303-308.
21. Cornell, R.M., 1992. Preparation and properties of Si substituted akaganéite (β-FeOOH). Z. Pflanzernähr. Bodenk. 155, 449-453.
22. Cornell, R.M., Giovanoli, R., 1988. The influence of copper on the transformation of ferrihydrite (5Fe2O3·9H2O) into crystalline products in alkaline media. Polyhedron 7, 385-391.
23. Cornell, R.M., Schwertmann, U., 2003. The Iron Oxides, second ed. Wiley-VCH, Weinheim, FR of Germany.
24. de Faria, D.L.A., Silva, S.V., deOliveira, M.T., 1997. Raman microspectroscopy of some iron oxides and oxyhydroxides. J. Raman Spectrosc. 28, 873-878.
25. 57Fe Mössbauer effect study of Al-substituted lepidocrocites. Clays Clay Miner. 44, 214-219.
26. 3: effects of poor crystallinity and of Al-for-Fe substitution. Clay Miner. 37, 591-606.
27. Drits, V.A., Sakharov, B.A., Salyn, A.L., Manceau, A., 1993. Structural model for ferrihydrite. Clay Miner. 28, 185-207.
28. Duff, M.C., Coughlin, J.U., Hunter, D.B., 2002. Uranium coprecipitation with iron oxide minerals. Geochim. Cosmochim. Acta 66, 3533-3547.
29. Eggleton, R.A., Fitzpatrick, R.W., 1988. New data and a revised structural model for ferrihydrite. Clays Clay Miner. 36, 111-124.
30. Evans, H.T., Vanadium. In: K.H. Wedepohl, (Ed.), Handbook of Geochemistry, Vol. 11-2. Springer, New York, 1978, pp. 23-A-1.
31. Fawzey, P.G., Oconnor, B.H., Hammond, L.C., 1991. X-ray powder diffraction Rietveld characterization of synthetic aluminum-substituted goethite. Clays Clay Miner. 39, 248-253.
32. Feitknecht, W., Michaelis, W., 1962. Ueber die hydrolyse von Eisen(III)perchlorat-loesungen. Helv. Chim. Acta 45, 212-224.
33. Fendorf, S.E., Sparks, D.L., Lamble, G.M., Kelley, M.J., 1994. Applications of X-ray absorption fine structure spectroscopy to soils. Soil Sci. Soc. Am. J. 58, 1583-1595.
34. Ford, R.G., 2002. Rates of hydrous ferric oxide crystallization and the influence on coprecipitated arsenate. Environ. Sci. Technol. 36, 2459-2463.
35. Ford, R.G., Bertsch, P.M., Farley, K.J., 1997. Changes in transition and heavy metal partitioning during hydrous iron oxide aging. Envrion. Sci. Technol. 31, 2028-2033.
36. Ford, R.G., Kemner, K.M., Bertsch, P.M., 1999. Influence of sorbate-sorbent interactions on the crystallization kinetics of nickel-and lead-ferrihydrite coprecipitates. Geochim. Cosmochim. Acta 63, 39-48.
37. Fritsch, E., Morin, G., Bedidi, A., Bonnin, D., Balan, E., Caquineau, S., et al., 2005. Transformation of haematite and Al-poor goethite to Al-rich goethite and associated yellowing in a ferralitic clay soil profile of the middle Amazon Basin (Manaus, Brazil). Eur. J. Soil Sci. 56, 575-588.
38. Fuller, C.C., Davis, J.A., Waychunas, G.A., 1993. Surface chemistry of ferrihydrite: Part 2. Kinetics of arsenate adsorption and coprecipitation. Geochim. Cosmochim. Acta 57, 2271-2282.
39. Garcia, K.E., Morales, A.L., Barrero, C.A., Arroyave, C., Greneche, J.M., 2004. Magnetic and crystal structure refinement in akaganéite nanoparticles. Physica B 354, 187-190.
40. 2+ ions and urea. Mat. Chem. Phys. 112, 120-126.
41. Gerth, J., 1990. Unit cell dimensions of pure and trace metal-associated goethites. Geochim. Cosmochim. Acta 54, 363-371.
42. Gismelseed, A., Elzain, M., Yousif, A., Al Rawas, A., Al-Omari, I.A., Widatallah, H., et al., 2004. Identification of corrosion products due to seawater and fresh water. Hyperfine Interact. 156, 487-492.
43. Glasauer, S., Friedl, J., Schwertmann, U., 1999. Properties of goethites prepared under acidic and basic conditions in the presence of silicate. J. Colloid Interface Sci. 216, 106-115.
44. Goldschmidt, V.M., 1937. The principles of distribution of chemical elements in minerals and rocks. J. Chem. Soc. 655-673.
45. Gustafsson, J.P., Visual, M.I.N.T.E.Q., 2006. KTH, Dep Land and Water Resource Engineering, Stockholm.
46. Harrison, P.M., Fischbach, F.A., Hoy, T.G., Haggis, G.M., 1967. Ferric oxyhydroxide core of ferritin. Nature 216, 1188-1190.
47. Hayes, K.F., Roe, A.L., Brown Jr., G.E., Hodgson, K.O., Leckie, J.O., Parks, G.A., 1987. In situ x-ray absorption study of surface complexes: selenium oxyanions on α-FeOOH. Science 238, 783-786.
48. Heald, S.M., Stern, E.A., Bunker, B.A., Holt, E.M., Holt, S.L., 1979. Structure of the iron-containing core in ferritin by the extended X-ray absorption fine structure technique. J. Am. Chem. Soc. 101, 67-73.
49. n. Geochim. Cosmochim. Acta 47, 1465-1470.
50. Huynh, T., Tong, A.R., Singh, B., Kennedy, B.J., 2003. Cd-substituted goethites: a structural investigation by synchrotron X-ray diffraction. Clays Clay Miner. 51, 397-402.
51. Inouye, K., Imamura, H., Kaneko, K., Ishikawa, T., 1974. The effect of copper(II) on the formation and thermal change of synthetic β-FeOOH. Bull. Chem. Soc. Jpn. 47, 743-744.
52. Inouye, K., Ichimura, K., Kaneko, K., Ishikawa, T., 1976. The effect of copper (II) on the formation of γ-FeOOH. Corros. Sci. 16, 507-517.
53. Institute of Experimental Mineralogy, 1997. Crystallographic and Crystallochemical Database for Minerals and their Structural Analogues. Russian Academy of Sciences, Moscow.
54. Ishikawa, T., Katoh, R., Yasukawa, A., Kandori, K., Nakayama, T., Yuse, F., 2001. Influences of metal ions on the formation of β-FeOOH particles. Corros. Sci. 43, 1727-1738.
55. Ishikawa, T., Motoki, T., Katoh, M., Yasukawa, A., Kandori, K., Nakayama, T., et al., 2002. Structures of β-FeOOH particles formed in the presence of Ti(IV), Cr(III), and Cu(II) ions. J. Colloid Interface Sci. 250, 74-81.
56. Ishikawa, T., Motoki, T., Kandori, K., Nakayama, T., Tsubota, T., 2003. Influence of hydrolyzed and nonhydrolyzed Ti, Cr, and Al ions on the formation of β-FeOOH particles. J. Colloid Interface Sci. 265, 320-326.
57. Jansen, E., Kyek, A., Schäfer, W., Schwertmann, U., 2002. The structure of six-line ferrihydrite. Appl. Phys. A 74, S1004-S1006.
58. Jenkins, R., Snyder, R.L., 1996a. Chapter 3. Diffraction theory. In: Winefordner, J.D. (Ed.), Introduction to X-Ray Powder Diffractometry, Vol. 138. John Wiley & Sons Inc., New York, pp. 47-96.
59. Jenkins, R., Snyder, R.L., 1996b. Chapter 7. Instruments for the measurement of powder patterns. In: Winefordner, J.D. (Ed.), Introduction to X-Ray Powder Diffractometry, Vol. 138. John Wiley & Sons, Inc., New York, pp. 173-203.
60. Kamimura, T., Nasu, S., Segi, T., Tazaki, T., Miyuki, H., Moromoto, S., et al., 2005. Influence of cations and anions on the formation of β-FeOOH. Corros. Sci. 47, 2531-2542.
61. Kamoun, F., Lorenz, M., Kempe, G., 1991. Hydrolytic precipitation of solid solutions of iron (III) and gallium (III) with admixture of fluoride ions. J. Less-Common Met. 170, 1-5.
62. Kaur, N., Singh, B., Kennedy, B.J., Gräfe, M., 2009a. The preparation and characterization of vanadium-substituted goethite: the importance of temperature. Geochim. Cosmochim. Acta 73, 582-593.
63. Kaur, N., Gräfe, M., Singh, B., Kennedy, B., 2009b. Simultaneous incorporation of Cr, Zn, Cd, and Pb in the goethite structure. Clays Clay Miner. 57, 234-250.
64. Kaur, N., Singh, B., Kennedy, B., 2009c. Copper substitution alone and in the presence of chromium, zinc, cadmium and lead in goethite (α-FeOOH). Clay Miner. 44, 293-309.
65. Kühnel, R.A., Roorda, H.J., Steensma, J.J., 1975. Crystallinity of minerals-new variable in pedogenic processes- study of goethite and associated silicates in laterites. Clays Clay Miner. 23, 349-354.
66. Landers, M., Gilkes, R.J., 2007. Dehydroxylation and dissolution of nickeliferous goethite in New Caledonian lateritic Ni ore. Appl. Clay Sci. 35, 162-172.
67. Landers, M., Gilkes, R.J., Wells, M.A., 2009. Dissolution kinetics of dehydroxylated nickeliferous goethite from limonitic lateritic nickel ore. Appl. Clay Sci. 42, 615-624.
68. Leinweber, A., Mittemeijer, E.J., 2006. Anisotropic microstrain broadening due to compositional inhomogeneities and its parameterisation. Z. Krystallogr. 23, 117-122.
69. Liese, A., 2009. Incorporation of heavy metals in iron oxides. Masters of Environmental Engineering, Faculty VI: Planning-Building-Environment. Insitute of Ecology, Department of Soil Science, Technical University of Berlin, Berlin.
70. Manceau, A., 2009. Evaluation of the structural model for ferrihydrite derived from real-space modelling of highenergy X-ray diffraction data. Clay Miner. 44, 19-34.
71. Manceau, A., Combes, J.M., 1988. Structure of Mn and Fe oxides and oxyhydroxides: a topological approach by EXAFS. Phys. Chem. Miner. 15, 283-295.
72. Manceau, A., Drits, V.A., 1993. Local structure of ferrihydrite and feroxyhite by EXAFS spectroscopy. Clay Miner. 28, 165-184.
73. Manceau, A., Schlegel, M.L., Musso, M., Sole, V.A., Gauthier, C., Petit, P.E., et al., 2000. Crystal chemistry of trace elements in natural and synthetic goethite. Geochim. Cosmochim. Acta 64, 3643-3661.
74. Martinez, C.E., McBride, M.B., 1998. Coprecipitates of Cd, Cu, Pb and Zn in iron oxides: Solid phase transformation and metal solubility after aging and thermal treatment. Clays Clay Miner. 46, 537-545.
75. Martinez, C.E., McBride, M.B., 2001. Cd, Cu, Pb, and Zn coprecipitates in Fe oxides formed at different pH: aging effects on metal solubility and extractability by citrate. Environ. Toxicol. Chem. 20, 112-126.
76. Martin, F.G., Ildefonse, P., Hazemann, J.L., Mathe, P.E., Noack, Y., Grauby, O., et al., 1997. Gallium crystal chemistry in synthetic goethites. J. Phys. IV Fr. C2, 821-822.
77. McCusker, L.B., von Dreele, R.B., Cox, D.E., Louer, D., Scardi, P., 1999. Rietveld refinement guidelines. J. Appl. Crystallogr. 32, 36-50.
78. Mendelovici, E., Yariv, S., Villalba, R., 1979. Aluminium-bearing goethite in Venezuelan laterites. Clays Clay Miner. 27, 368-372.
79. Michel, F.M., Ehm, L., Antao, S.M., Lee, P.L., Chupas, P.J., Liu, G., et al., 2007a. The structure of ferrihydrite, a nanocrystalline material. Science 316, 1726-1729.
80. Michel, F.M., Ehm, L., Liu, G., Han, W.Q., Antao, S.M., Chupas, P.J., et al., 2007b. Similarities in 2-and 6-line ferrihydrite based on pair distribution function analysis of X-ray total scattering. Chem. Mater. 19, 1489-1496.
81. Murad, E., Schwertmann, U., 1983. The influence of aluminum substitution and crystallinity on the Mössbauer-Spectra of goethite. Clay Miner. 18, 301-312.
82. Norrish, K., Taylor, R.M., 1961. The isomorphous replacement of iron by aluminium in soil goethites. J. Soil Sci. 12, 294-306.
83. Plancon, A., Giese, R.F., Snyder, R., Drits, V.A., Bookin, A.S., 1989. Stacking-faults in the kaolin-group minerals: Defect structures of kaolinite. Clays Clay Miner. 37, 203-210.
84. Popa, N.C., 1998. The (hkl) dependence of diffraction-line broadening caused by strain and size for all Laue Groups in Rietveld refinement. J. Appl. Crystallogr. 31, 176-180.
85. Post, J.E., Buchwald, V.F., 1991. Crystal structure of akaganéite. Am. Mineral. 76, 272-277.
86. Post, J.E., Heaney, P.J., von Dreele, R.B., Hanson, J.C., 2003. Neutron and temperature-resolved synchrotron X-ray powder diffraction study of akaganeite. Am. Mineral. 88, 782-788.
87. Pozas, R., Rojas, T.C., Ocana, M., Serna, C.J., 2004. The nature of Co in synthetic Cosubstituted goethites. Clays Clay Miner. 52, 760-766.
88. Pritzel, J., Thieme, J., Eusterhues, K., Eichert, D., 2007. Iron speciation in soils and soil aggregates by synchrotron-based X-ray microspectroscopy (XANES, μ-XANES). Eur. J. Soil Sci. 58, 1027-1041.
89. Rancourt, D.G., Meunier, N., 2008. Constraints on structural models of ferrihydrite as a nanocrystalline material. Am. Mineral. 93, 1414-1417.
90. Ravel, B., 2001. ATOMS: crystallography for the X-ray absorption spectroscopist. J. Synchrotron Radiat. 8, 314-316.
91. Remazeilles, C., Refait, P., 2007. On the formation of β-FeOOH (akaganeite) in chloride-containing environments. Corros. Sci. 49, 844-857.
92. Richmond, W.R., Hockridge, J.G., Parkinson, G.M., 2004. A new iron oxyhydroxide phase: the molybdate-substituted analogue of akaganeite. Chem. Mater. 16, 3203-3205.
93. Rietveld, H.M., 1969. A profile refinement method for nuclear and magnetic structures. J. Appl. Crystallogr. 2, 65.
94. Roe, A.L., Schneider, D.J., Mayer, R.J., Pyrz, J.W., Widom, J., Que, J.L., 1984. X-ray absorption spectroscopy of iron-tyrosinate proteins. J. Am. Chem. Soc. 106, 1676-1681.
95. Ruan, H.D., Gilkes, R.J., 1995. Dehydroxylation of aluminous goethite-unit cell dimensions, crystal size and surface area. Clays Clay Miner. 43, 196-211.
96. Scheinost, A.C., Stanjek, H., Schulze, D.G., Gasser, U., Sparks, D.L., 2001. Structural environment and oxidation state of Mn in goethite-groutite solid-solutions. Am. Mineral. 86, 139-146.
97. Schulze, D.G., 1984. The influence of aluminum on ironoxides. 8. Unit cell dimensions of Al-substituted goethites and estimation of Al from them. Clays Clay Miner. 32, 36-44.
98. Schulze, D.G., Schwertmann, U., 1984. The influence of aluminum on iron-oxides. 10. Properties of Al-substituted goethites. Clay Miner. 19, 521-539.
99. Schwertmann, U., 1968. Differenzierung der Eisenoxide des Bodens durch Extraktion mit Ammoniumoxalat-Lösung. Z. Pflanzenernähr. Düng. Bodenk. 105, 194-202.
100. Schwertmann, U., 1984. The double dehydroxylation peak of goethite. Thermochim. Acta 78, 39-46.
101. Schwertmann, U., Carlson, L., 1994. Aluminum Influence of Iron Oxides: XVII. Unit cell parameters and aluminum substitution of natural goethites. Soil Sci. Soc. Am. J. 58, 256-261.
102. Schwertmann, U., Cornell, R.M., 1991. Iron Oxides in the Laboratory: Preparation and Characterization. VCH, Weinheim, FR of Germany.
103. Schwertmann, U., Wolska, E., 1990. The influence of aluminum on iron oxides. XV. Al-for-Fe substitution in synthetic lepidocrocite. Clays Clay Miner. 38, 209-212.
104. Schwertmann, U., Fitzpatrick, R.W., Taylor, R.M., Lewis, D.G., 1979. The influence of aluminum on iron oxides. Part II. Preparation and properties of Al-substituted hematites. Clays Clay Miner. 27, 105-112.
105. Schwertmann, U., Cambier, P., Murad, E., 1985. Properties of goethite of varying crystallinity. Clays Clay Miner. 33, 369-378.
106. Selwyn, L.S., Sirois, P.J., Argyropoulos, V., 1999. The corrosion of excavated archaeological iron with details on weeping and akaganeite. Studies Conserv. 44, 217-232.
107. Shannon, R.D., 1976. Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides. Acta Crystallogr. 32, 751-767.
108. 3 single crystals. J. Chem. Soc. Faraday Trans. I 81, 1263-1274.
109. Sileo, E.E., Ramos, A.Y., Magaz, G.E., Blesa, M.A., 2004. Long-range vs short-range ordering in synthetic Cr-substituted goethites. Geochim. Cosmochim. Acta 68, 3053-3063.
110. Sileo, E.E., Daroca, D.P., Barrer, C.A., Larralde, A.L., Giberti, M.S., Saragovi, C., 2007. Influence of the genesis on the structural and hyperfine properties of Cr-substituted hematites. Chem. Geol. 238, 84-93.
111. Singh, B., Gilkes, R.J., 1992. Properties and distribution of iron oxides and their association with minor elements in the soils of south-western Australia. J. Soil Sci. 43, 77-98.
112. Singh, B., Harris, P.J., Wilson, M.J., 1997. Geochemistry of acid mine waters and the role of microorganisms in such environments: a review. Soils and Environment-Processes from mineral to landscape scale. In: Auerswald, K. et al. (Ed.), Advances in Geoecology, vol. 30. Catena Verlag, Reiskirchen, Germany, pp. 159-192.
113. Singh, B., Sherman, D.M., Gilkes, R.J., Wells, M.A., Mosselmans, J.F.W., 2000. Structural chemistry of Fe, Mn, and Ni in synthetic hematites as determined by extended X-ray absorption fine structure spectroscopy. Clays Clay Miner. 48, 521-527.
114. Singh, B., Sherman, D.M., Gilkes, R.J., Wells, M.A., Mosselmans, J.F.W., 2002. Incorporation of Cr, Mn and Ni into goethite (alpha-FeOOH): mechanism from extended X-ray absorption fine structure spectroscopy. Clay Miner. 37, 639-649.
115. Smith, K.L., Eggleton, R.A., 1983. Botryoidal goethite: a transmission electron-microscope study. Clays Clay Miner. 31, 392-396.
116. 3 mixed oxide nanoparticles synthesized under hydrothermal supercritical conditions. J. Phys. Chem. Solids 65, 1719-1725.
117. 2+ surface complexes on ferric oxides. 1. Results from EXAFS spectroscopy. J. Colloid Interface Sci. 168, 73-86.
118. Stanjek, H., 2002. XRD peak migration and apparent shift of cell-edge lengths of nano-sized hematite, goethite and lepidocrocite. Clay Miner. 37, 629-638.
119. Stewart, B.D., Nico, P.S., Fendorf, S., 2009. Stability of uranium incorporated into Fe (hydro)oxides under fluctuating redox conditions. Environ. Sci. Technol. 31, 2028-2033.
120. Sun, T., Paige, C.R., Snodgrass, W.J., 1996. The effect of cadmium on the transformation of ferrihydrite into crystalline products at pH 8. Water Air Soil Poll. 91, 307-325.
121. Szytula, A., Burewicz, A., Dimitrijevic, Z., Krasnicki, S., Rzany, H., Todorovic, J., et al., 1968. Neutron diffraction studies of a-FeO(OH). Physica Status Solidi 26, 429-434.
122. Taylor, R.M., 1984. Influence of chloride on the formation of iron oxides from Fe(II) chloride. II. Effect of [Cl] on the formation of lepidocrocite and its crystallinity. Clays Clay Miner. 32, 175-180.
123. Taylor, R.M., Schwertmann, U., 1978. The influence of aluminium on iron oxides. Part I. The influence of Al on Fe oxide formation from the Fe(II) system. Clays Clay Miner. 26, 373-383.
124. Teo, B.K., 1986. EXAFS: Basic Principles And Data Analysis, first ed. Springer-Verlag, Berlin.
125. Towe, K.M., Bradley, W.F., 1967. Mineralogical constitution of colloidal hydrous ferric oxides. J. Colloid Interface Sci. 24, 384-392.
126. Trolard, F., Bourrie, G., Jeanroy, E., Herbillon, A.J., Martin, H., 1995. Trace metals in natural iron oxides from laterites: a study using selective kinetic extraction. Geochim. Cosmochim. Acta 59, 1285-1297.
127. Trolard, F., Bourrie, G., Abdelmoula, M., Refait, P., Feder, F., 2007. Fougerite, a new mineral of the pyroaurite-iowaite group: description and crystal structure. Clays Clay Miner. 55, 323-334.
128. Ufer, K., Roth, G., Kleeberg, R., Stanjek, H., Dohrmann, R., Bergmann, J., 2004. Description of X-ray powder pattern of turbostratically disordered layer structures with a Rietveld compatible approach. Z. Kristallogr. 219, 519-527.
129. Ufer, K., Kleeberg, R., Bergmann, J., Curtius, H., Dohrmann, R., 2008. Refining real structure parameters of disordered layer structures within the Rietveld method. Z. Kristallogr. 27, 151-158.
130. Vandenberghe, R.E., Barrero, C.A., da Costa, G.M., van San, E., de Grave, E., 2000. Moessbauer characterization of iron oxides and (oxy)hydroxides: the present state of the art. Hyperfine Interact. 126, 247-259.
131. Vegard, L., 1921. Die Konstitution der Mischkristalle und die Raumerfuellung der Atome. Z. Kristalogr. 67, 148-162.
132. Wang, M.K., Chang, C.M., Cheng, Y.W., Houng, K.H., Chiang, H.C., 1999. Comparison of synthetic and soil Al-substituted lepidocrocite. Soil Sci. 164, 311-321.
133. Waychunas, G.A., Rea, B.A., Fuller, C.C., Davis, J.A., 1993. Surface chemistry of ferrihydrite: part 1. EXAFS studies of the geometry of coprecipitated and adsorbed arsenate. Geochim. Cosmochim. Acta 57, 2251-2269.
134. Waychunas, G.A., Fuller, C.C., Davis, J.A., 2002. Surface complexation and precipitate geometry for aqueous Zn (II) sorption on ferrihydrite I: x-ray absorption extended fine structure spectroscopy analysis. Geochim. Cosmochim. Acta 66, 1119-1137.
135. Wells, M.A., Fitzpatrick, R.W., Gilkes, R.J., 2006. Thermal and mineral properties of Al-, Cr-, Mn-, Ni and Ti-substituted goethite. Clays Clay Miner. 54, 176-194.
136. Wilke, M.F.F., Petit, P.E., Brown, G.E., Martin, F., 2001. Oxidation state and coordination of Fe in minerals: an Fe K-edge XANES spectroscopic study. Am. Mineral. 86, 714-730.
137. Wolska, E., Schwertmann, U., 1989. Nonstoichiometric structures during dehydroxylation of goethite. Z. Kristallogr. 189, 223-237.
138. Wyckoff, R.W.G., 1963. Crystal Structures, second ed. Interscience Publishers, New York.
139. Zabinsky, F., Rehr, J.J., Ankudinov, A., Albers, R.C., Eller, M.J., 1995. Multiple-scattering calculations of X-ray absorption spectra. Phys. Rev. B 52, 2995-3009.
140. Zhao, J., Huggins, F.E., Feng, Z., Huffman, G.P., 1994a. Ferrhydrite: surface structure and its effects on phase transformation. Clays Clay Miner. 42, 737-746.
141. Zhao, J., Huggins, F.E., Feng, Z., Lu, F., Shah, N., Huffman, G.P., 1994b. Structure of a nanophase iron oxide catalyst. J. Catal. 143, 499-509.
142. Zhukhlistov, A.P., 2001. Crystal structure of lepidocrocite FeO(OH) from electron-dffractometry data. Crystallogr. Rep. 46, 730-733.
143. Zic, M., Ristic, M., Music, S., 2007. Fe-57 Mossbauer, FTIR and FE SEM investigation of the formation of hematite and goethite at high pH values. J. Mol. Struct. 834, 141-149.