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1997 Publications

Refereed Publications

DiVincenzo, J.P., and D.L. Sparks. 1997. Slow sorption kinetics of pentachlorophenol on soil: Concentration effects. Environ. Sci. Technol. 31:977-983.

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Fendorf, S.E., M.J. Eick, P.R. Grossl, and D.L. Sparks. 1997. Arsenate and chromate retention mechanisms on goethite. 1. Surface structure. Environ. Sci. Technol. 31:315-320.

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Grossl, P.R., M.J. Eick, D.L. Sparks, S. Goldberg, and C.C. Ainsworth. 1977. Arsenate and chromate retention mechanisms on goethite. 2. Kinetic evaluation using a pressure-jump relaxation technique. Environ. Sci. Technol. 31:321-326.

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Scheidegger, A.M., G.M. Lamble, and D.L. Sparks. 1997. The kinetics of nickel sorption on pyrophyllite as monitored by X-ray absorption fine structure (XAFS) spectroscopy. J. de Physique 4(7):C2-773-775.

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Scheidegger, A.M., G.M. Lamble, and D.L. Sparks. 1997. Spectroscopic evidence for the formation of mixed-cation, hydroxide phases upon metal sorption on clays and aluminum oxides. J. Colloid Interf. Sci. 186:118-128.

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Steffens, D., and D.L. Sparks. 1997. Kinetics of nonexchangeable ammonium release from soils. Soil Sci. Soc. Am. J. 61:455-462.

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Yin, Y., H.E. Allen, C.P. Huang, D.L. Sparks, and P.F. Sanders. 1997. Kinetics of mercury adsorption and desorption on soil. Environ. Sci. Technol. 31:496-503.

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Zhou, M., R.K. Trubey, Z.O. Keil, and D.L. Sparks. 1997. Study of the effects of environmental variables and supercritical fluid extraction parameters on the extractability of pesticide residues from soils using a multivariate optimization scheme. Environ. Sci. Technol. 31:1934-1939.

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Invtied Presentations    
Sparks, D.L.1997. Applications of soft x-­ray radiation to the study of important inorganic species. Molecular Environmental Science in the Soft X-­ray Region Workshop. Lawrence Berkeley National Laboratory, Univ. of California, Berkeley, CA, March 27-­28.    
Sparks, D.L., A.M. Scheidegger, D.G. Strawn, and K.G. Scheckel. 1997. Kinetics and mechanisms of metal cation sorption at the mineral/water interface. In Kinetics and Mechanisms of Reactions at the Mineral/Water Interface. D.L. Sparks and T.J. Grundl (Co-­-Organizers) 213th Am. Chem. Soc. Meeting, San Francisco, CA, April 13-­-17. Abstract  
Strawn, D.G., and D.L. Sparks. 1997. Mechanisms of slow lead and nickel sorption kinetics on γ-AI2O3 and pyrophyllite. 4th Intern. Conf. on the Biogeochemistry of Trace Elements, Univ. of California, Berkeley, June 23-­26. Abstract  
Sparks, D.L. 1997. Kinetics and mechanisms of metal sorption at the mineral/water interface: A molecular approach. Paul Scherrer Institute, Villigen, Switzerland, August 26.    
Sparks, D.L. 1997. Kinetics and mechanisms of sorption on soil minerals: A molecular approach. DuPont Thermodynamics, Kinetics, and Mechanisms symposium, DuPont Co., Wilmington, Delaware, November 3.    
Presentations    
DiVincenzo, J.P., and D.L. Sparks. 1997. Evidence for different soil sorption mechanisms for the neutral and charged forms of pentachlorophenol. 213th ACS Meeting, San Francisco, California. April 13-17. Abstract  
Matocha, C.J., and D.L. Sparks. 1997. Sorption kinetics of phthalate on manganese oxides. 213th ACS Meeting, San Francisco, California. April 13-17. Abstract  
O'Reilly, S.E., and D.L. Sparks. 1997. The effects of residence time on the retention of arsenate by goethite. 213th ACS Meeting, San Francisco, California. April 13-17. Abstract  
Roberts, D.R., and D.L. Sparks. 1997. Nickel sorption kinetics on the clay fraction of a soil. 213th ACS Meeting, San Francisco, California. April 13-17. Abstract  
Strawn, D.G., and D.L. Sparks. 1997. Kinetics and mechanisms of lead sorption and desorption at the γ-Al2O3/water interface. 213th Am. Chem. Soc. Meeting, San Francisco, California. April 13-17. Abstract  
Scheidegger, A.M., G.M. Lamble, and D.L. Sparks. 1997. Monitoring the growth of secondary precipitates upon metal sorption on clay minerals and aluminum oxides using x-­-ray absorption fine structure (XAFS) spectroscopy. 213th ACS Meeting, San Francisco, California. April 13-17. Abstract  
Scheckel, K.G., A.M. Scheidegger, and D.L. Sparks. 1997. Ni(II) precipitation and dissolution kinetics on pyrophyllite: An in-­-situ AFM study. 213th ACS Meeting, San Francisco, California.April 13-17. Abstract  
Yin, Y., H.E. Allen, and D.L. Sparks. 1997. A comparison of desorption kinetics of Hg(II) from soil using batch and stirred-­flow methods. 213th ACS Meeting, San Francisco, California. April 13-17. Abstract  
Matocha, C.J., and D.L. Sparks. 1997. Sorption kinetics of phthalate on manganese oxides. 71st Colloid and Surface Science Symposium, Univ. of Delaware, Newark, Delaware, June 29-­July 2. Abstract  
Scheckel, K.G., and D.L. Sparks. 1997. Influence of ph. on surface precipitate formation of Ni(II) on pyrophyllite. 71st Colloid and Surface Science Symposium, Univ. of Delaware, Newark, Delaware, June 29-­July 2. Abstract  
Scheidegger, A.M., D.G. Strawn, K.G. Scheckel, and D.L. Sparks. 1997. Use of in-­-situ surface spectroscopic and microscopic techniques to ascertain the fate and mechanisms of metal contaminants in the subsurface environment. 36th Intern. Union of Pure and Applied Chemistry Congress, Geneva, Switzerland, August 17-­22. Abstract  
Roberts, D.R., A.M. Scheidegger, and D.L. Sparks. 1997. Nickel sorption kinetics/mechanisms on the clay fraction of a soil: An XAFS study. Am. Chem. Soc. Meeting, Las Vegas, Nevada, September 7-­11. Abstract  
Arai, Y., D.L. Sparks, and J.T. Sims. 1997. Phosphorus desorption kinetics from field and laboratory amended soils. SSSA Meeting, Anaheim, California. October 26-30. Abstract  
Elzinga, E.J., and D.L. Sparks. 1997. Nickel sorption mechanisms in a mixed pyrophyllite-­-montmorillonite system. SSSA Meeting, Anaheim, California. October 26-30. Abstract  
Ford, R.G., and D.L. Sparks. 1997. Physicochemical controls on the formation of polynuclear metal complexes at clay mineral surfaces. SSSA Meeting, Anaheim, California, October 26-30. Abstract  
O'Reilly, S.E., and D.L. Sparks. 1997. The effect of residence time on arsenate sorption/desorption processes on mineral surfaces. SSSA Meeting, Anaheim, California.October 26-30. Abstract  
Scheidegger, A.M., R.G. Ford, and D.L. Sparks. 1997. Use of x-­-ray absorption spectroscopy to monitor the kinetics of metal sorption reactions at the soil/water interface, SSSA Meeting, Anaheim, California.October 26-30. Abstract  
Roberts, D.R., A.M. Scheidegger, and D.L. Sparks. 1997. Nickel sorption/ release on soil clay fractions: A kinetic and EXAFS study. SSSA Meeting, Anaheim, California. October 26-30. Abstract  

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