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2004 Publications

Refereed Publications

Arai, Y., D. L. Sparks and J. A. Davis 2004. Effects of dissolved carbonate on arsenate adsorption and surface speciation at the hematite-water interface. Environ. Sci. Technol. 38:817 -824.

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Dyer, J. A., P. Trivedi, N. C. Scrivner and D. L. Sparks. 2004. Surface complexation modeling of zinc sorption onto ferrihydrite. J. Colloid Interf. Sci. 270:55-65.

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Dyer, J. A., P. Trivedi, S.J. Sanders, N. C. Scrivner and D. L. Sparks. 2004. Treatment of zinc-contaminated water using a multistage ferrihydrite sorption system. J. Colloid Interf. Sci. 270:66-76.

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Gräfe, M., M. Nachtegaal, and D.L. Sparks. 2004. Formation of metal-arsenate precipitates at the goethite-water interface. Environ. Sci. Technol. 38:6561-6570.

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Hunger, S., H. Cho, J. T. Sims, and D. L.. Sparks. 2004. Direct speciation of phosphorus in alum-amended poultry litter: Solid-state 31P NMR investigation. Environ. Sci. Technol. 38:674 -681.

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Nachtegaal, M. and D.L. Sparks. 2004. Effect of iron oxide coatings on zinc sorption mechanisms at the clay-mineral/water interface. J. Colloid Interf. Sci. 276:13-23.

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Staats, K.E., Y. Arai, and D.L. Sparks. 2004. Alum amendment effects on phosphorus release and distribution in poultry litter–amended sandy soil. J. Environ. Qual. 33:1904-1911.

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Trivedi, P., J. A., N. C. Scrivner and D. L. Sparks. 2004. Mechanistic and thermodynamic interpretations of zinc sorption onto ferrihydrite . J. Colloid Interf. Sci. 270:77-85.

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Reports    
Center For The Study Of Metals In The Environmnet Annual Report. 2004. Submitted to U.S. Environmental Protection Agency by the University of Delaware.
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Presentations

Borda, M. J. and D. L. Sparks. Investigating dicarboxylic acid complexation on random stacked birnessite. 227th ACS National Meeting, Anaheim, CA, March 28-April 1, 2004.

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Dowding, C.E., M.J. Borda, M.V. Fey, and D.L. Sparks. Using Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy to investigate the surface chemistry of a drying soil. Soil Science Society of America Annual Meeting, Seattle, WA, Nov.1-4, 2004.

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Gräfe, M., M. J. Borda and D. L. Sparks. Kinetics of metal-arsenate precipitate formation at the goethite-water interface. 227th ACS National Meeting, Anaheim, CA, March 28-April 1, 2004.

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McNear, D. H. Jr., E. Peltier, J. Everhart, D. L. Sparks, R. L. Chaney, S. Sutton, and M. Newville. Use of novel synchrotron-based techniques to explore the connection between metal speciation in soils and plants. 227th ACS National Meeting, Anaheim, CA, March 28-April 1, 2004.

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McNear, D. H., R. Tappero, and D.L. Sparks. Uptake and cellular compartmentalization of metals from the rhizosphere by hyperaccumulating plants: A real time approach using confocal microscopy. Soil Science Society of America Annual Meeting, Seattle, WA, Nov.1-4, 2004.

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Peltier, E. and D. L. Sparks. Kinetics of nickel precipitate formation in soils. 227th ACS National Meeting, Anaheim, CA, March 28-April 1, 2004.

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Peltier, E. , R. Allada, A. Navrotsky, and D. L. Sparks. Formation and stability of nickel soil precipitates. 228th ACS National Meeting, Philadelphia, PA, August 22-26, 2004

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Peltier, E. and D.L. Sparks. Predicting nickel precipitate formation in contaminated soils. Soil Science Society of America Annual Meeting, Seattle, WA, Nov.1-4, 2004.

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Sparks, D. L. Kinetics and mechanisms of metal sorption at the soil mineral/water interface: The continuum from adsorption to precipitation. 227th ACS National Meeting, Anaheim, CA, March 28-April 1, 2004.

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Sparks, D.L. A multi-scale assessment of ion sorption kinetics at the mineral/water interface. 228th ACS National Meeting, Philadelphia, PA, August 22-26, 2004

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Sparks, D. L. and M. Gräfe. Kinetics of zinc/ arsenate co-sorption at the goethite-water interface. Soil Science Society of America Annual Meeting, Seattle, WA, Nov.1-4, 2004.

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Sparks, D. L. The role of synchrotron radiation in advancing the frontiers of water-rock interactions. In Wanty, R.B. and Seal, R.R. III, eds., Water-Rock Interaction. Proceedings of the Eleventh International Symposium on Water-Rock Interaction WRI-11, v. 1. Saratoga Springs, New York, 27 June-2 July, 2004. A.A. Balkema, Leiden, the Netherlands, p. 609-619.

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Sparks, D.L. Grand challenges and opportunities in basic soil science research and the discipline of soil science. Plenary speaker. Super Soil 2004. Sydney, Australia, December 5, 2004.
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Staats, K.E., and D.L. Sparks. Phosphate and organic acids as competing sorbates on amorphous aluminum oxide. Soil Science Society of America Annual Meeting, Seattle, WA, Nov.1-4, 2004.

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Tappero, R., E. Peltier, D.H. McNear and D.L. Sparks. Localization of competing metals (Ni, Co, and Zn) in Alyssum using micro-XRF and tomography. Soil Science Society of America Annual Meeting, Seattle, WA, Nov.1-4, 2004.

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