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Chapters in Books |  | | Sparks, D.L. 1998. Kinetics of sorption/release reactions on natural particles. p. 413-448. In. P.M. Huang, N. Senesi and J. Buffle (eds). Structure and surface reactions of soil particles. John Wiley & Sons, New York. | 
| | Sparks, D.L. 1998. Kinetics of soil chemical phenomena: Future directions. p. 81-101. In. P.M. Huang, D.L. Sparks, and S.A. Boyd (eds.) Future prospects for soil chemistry. SSSA Spec. Publ. 55, Soil Sci. Soc. Am., Madison, WI. |
| | Refereed Publications | | |
| Dentel, S. K., A. I. Jamrah and D. L. Sparks. 1998. Sorption and cosorption of 1,2,4-trichlorobenzene and tannic acid by organo-clays. Wat. Res. 32:3689-3697. |
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Scheidegger, A.M., D.G. Strawn, G.M. Lamble, and D.L. Sparks. 1998. The kinetics of mixed Ni-Al hydroxide formation on clay and aluminum oxide minerals: A time-resolved XAFS study. Geochimica Cosmochimica Acta. 62:2233-2245. | | | Strawn, D.G., A.M. Scheidegger, and D.L. Sparks. 1998. Kinetics and mechanisms of Pb(II) sorption and desorption at the aluminum oxide-water interface. Environ. Sci. Technol. 32:2596-2601. | | |
| Invited Presentations |
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| Scheidegger, A.M., D.G. Strawn, D.R. Roberts, K.G. Scheckel, and D.L. Sparks. 1998. The dynamics of metal adsorption and surface precipitate formation on soil materials as monitored by surface molecular techniques. 16th World Congress of Soil Science, Montpellier, France, August, 20-26. |
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| Sparks, D.L. and F. Trolard. 1998. Dynamics of inorganic compounds, including inorganic pollutants, in the soil system. 16th World Congress of Soil Science, Montpellier, France, August, 20-26. |
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| Ford, R. G. and D. L. Sparks 1998. Potential formation of secondary hydrotalcite-like precipitates during Zn and Cu sorption to pyrophyllite. V.M. Goldschmidt Conference, Toulouse, France. Aug 30 - Sept . Mineralogical Mag. Vol. 62A: 462-463. |
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Scheinost, A. C. , R. G. Ford and D. L. Sparks. 1998. Characterization of polynuclear Ni species at the surface of phyllosilicates, gibbsite and amorphous silica using diffuse reflectance spectroscopy. V.M. Goldschmidt Conference, Toulouse, France. Aug 30 - Sept 3. Mineralogical Mag. Vol. 62A: 1332-1333. |
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| Ford, R.G., and D.L. Sparks. 1998. Advances in understanding the mechanisms and rates of sorption phenomena for inorganic solutes in soils. SSSA Meeting, Baltimore, Oct. 18-22. |
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Presentations | | | Arai, Y., and D.L. Sparks. 1998. Residence time effects on P sorption/desorption on ferrihydrite. SSSA Meeting, Baltimore, MD, Oct. 18-22. | | | Cooper, E.M., D.G. Strawn, J.T. Sims, D.L. Sparks, and B.M.Onken. 1998. Effect of chemical stabilization by phosphate amendment on the desorption of P and Pb from a contaminated soil. SSSA Meeting, Baltimore, MD, Oct. 18-22. | | | Elzinga, E., and D.L. Sparks. 1998. Mechanisms of nickel sorption on illite: A molecular approach. 16 th World Congress of Soil Science, Montpellier, France. 20-26 August. | | | Matocha, C.J., and D.L. Sparks. 1998. Mechanisms of Reductive Dissolution of Mn oxides by catechol. SSSA Meeting,Baltimore, MD, Oct. 18-22. | | | O'Reilly, S.E., and D.L. Sparks. 1998. Competitive effects of phosphate on the kinetics of arsenate sorption on goethite. SSSA Meeting,Baltimore, MD, Oct. 18-22. | | | Peak, J.D., D.L. Sparks, R.G. Ford, W.R. McKinney, and M.C. Martin. 1998. The rates and mechanisms of borate and sulfate adsorption at the iron oxide/aqueous interface. SSSA Meeting,Baltimore, MD, Oct. 18-22. | | | Roberts, D.L., and D.L. Sparks. 1998. Effect of time and reaction conditions on the formation/dissolution of Ni surface precipitates on the clay fraction of a soil using EXAFS spectroscopy. 16 th World Congress of Soil Science, Montpellier, France. August 20-26. | | | Roberts, D.R., and D.L. Sparks. 1998. Mechanism(s) of Ni sorption on Al-hydroxy-interlayered vermiculite using time-resolved EXAFS. SSSA Meeting, Baltimore, MD, Oct. 18-22. | | | Scheckel, K.G., and D.L. Sparks. 1998. Assessment of Ni sorption mechanisms on soil mineral surfaces using time-resolved x-ray absorption fine structure (XAFS) spectroscopy. V.M. Goldschmidt Conference, Toulouse, France. Mineralogical Mag. Vol. 62A:1330-1331 | 
| | Scheckel, K.G., and D.L. Sparks. 1998. Kinetics and mechanisms of nickel sorption/dissolution at soil mineral surfaces employing atomic force microscopy. 16 th World Congress of Soil Science, Montpellier, France. August 20-26. | | | Scheckel, K.G., and D.L. Sparks. 1998. Time-resolved AFM and XAFS investigations of nickel surface precipitate dissolution mechanisms. SSSA Meeting, Baltimore, MD, Oct. 18-22. | | |
| Scheinost, A.C., H. Stanjek, D.G. Schulze, U. Gasser, and D.L. Sparks. 1998. Structural environment and oxidation state of manganese in goethiteO groutite solidOsolutions: A Rietveld, EXAFS, XANES, and DRS study. The 17th General Meeting International Mineralogical Association, Toronto, Canada, August 9-14. |
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Scheinost, A.C., RG. Ford, K.S. Scheckel, and D.L. Sparks. 1998. Ni sorption on pyrophyllite: Evidence for the formation of Ni-Al hydroxide and its transformation into Ni-silicate by visible, infrared and XANES spectroscopy and thermogravimetry. SSSA Meeting,Baltimore, MD, Oct. 18-22. | | | Strawn, D.G., A. Scheidegger, and D.L. Sparks. 1998. Use of XAFS to determine the effects of time, ionic strength and pH on Pb sorption mechanisms at the γ-Al2 O3 and montmorillonite/water interface. The 10th International Conference on X-ray Absorption Fine Structure XAFS X, Chicago, IL. | | | Strawn, D.G., and D.L. Sparks. 1998. Use of a stirred-flow reactor to study Pb adsorption and desorption reactions on soil. SSSA Meeting, Baltimore, MD, Oct. 18-22. | | | Strawn,D.G. and D.L. Sparks. 1998. Use of x-ray absorption spectroscopy to distinguish between inner and outer-sphere Pb adsorption complexes on montmorillonite. SSSA Meeting, Baltimore, MD, Oct. 18-22. | | | | | |
