GEOCWednesday, April 9, 2008
1:30 PM-4:50 PM Morial Convention Center -- Rm. 212, Oral
Reactions on Clay Surfaces
Organizers:Susan L. Brantley
James D Kubicki
Geoffrey M Bowers
1:30 PM131In situ observations of silicate-water interface reactivity
Paul Fenter, Changyong Park, Vaibhav Kohli, Kathryn L. Nagy, Neil C. Sturchio
2:10 PM132Differences in adsorption mechanisms for Rb+ and Sr2+ at the mica-water interface identified by adsorption isotherms measured with resonant anomalous X-ray reflectivity
Changyong Park, Paul Fenter, Neil C. Sturchio, Kathryn L. Nagy
2:30 PM133Assessing factors determining the reactivity of octahedral Fe(II) in smectites using organic probe compounds and infrared spectroscopy
Anke Neumann, Thomas B. Hofstetter, Sabine Petit, Marita Skarpeli-Liati, Maja Lüssi, René P. Schwarzenbach
2:50 PM134Molecular-scale binding and dynamics of ions and H2O at the surfaces of hectorite: Sorption/desorption monitored with solid-state NMR
Geoffrey M Bowers, Hongji Yuan, David L. Bish, R. James Kirkpatrick
3:10 PM Intermission
3:30 PM135NMR study of the self-diffusion of water in concentrated clay suspensions: Effects of salinity and clay fraction
Xavier Guichet, Marc Fleury, Eric Kohler
3:50 PM136Investigating reactive surface sites on clays using solid-state NMR and computational chemistry
Karl T. Mueller, Rebecca L. Sanders, Nancy M. Washton, James D. Kubicki
4:10 PM137Molecular simulations of hydroxyl behavior in clay minerals
Jeffery A. Greathouse, Justin S. Durkin, Randall T. Cygan
4:30 PM138Chemical weathering of clay-rich shales in the Shale Hills catchment (Central Pennsylvania, USA)
Lixin Jin, Ramesh Ravella, Blake Ketchum, Susan L. Brantley

Reactions on Clay Surfaces -- Next Session

Symposium Grid -- Division of Geochemistry -- Session Listing

The 235th ACS National Meeting, New Orleans, LA, April 6-10, 2008