GEOCWednesday, March 31, 2004

1:20 PM-5:40 PM Marriott -- Marquis NW, Oral
Interfacial Phenomena: Linking Atomistic and Macroscopic Properties
Sorption and Dissolution Reactions at Mineral/Water Interfaces
Organizers:David J. Wesolowski
Gordon E. Brown Jr.
1:20 PM 160Cooperative interactions in chemisorption on oxides
W. F. Schneider
1:50 PM 161Heterogeneous reactions of carbonate minerals with trace atmospheric gases
Vicki H. Grassian
2:20 PM 162Predicting oxoanion complexation in aqueous solutions and at mineral-water interfaces
Satish C. B. Myneni, Glenn A. Waychunas, Samuel J. Traina, Gordon E. Brown Jr.
2:40 PM 163Co-adsorption reactions viewed from a molecular perspective
Per Persson, Marina Kaplun, Julia Sheals, Katarina Zivkovic
3:10 PM 164ATR-FTIR and macroscopic investigation of humic acid adsorption on goethite
Stephen B. Johnson, Tae Hyun Yoon, Gordon E. Brown Jr.
3:30 PM Intermission
3:40 PM 165Role of molecular oxygen in the dissolution of siderite and rhodochrosite
Scot T Martin, Owen W. Duckworth
4:10 PM 166Insights into the orthoclase dissolution mechanism using X-ray reflectivity
Paul Fenter, Changyong Park, Likwan Cheng, Zhan Zhang, Neil C. Sturchio
4:30 PM 167Divalent metals enhance silica dissolution kinetics by a predictable relation
Y. Thomas He, P. Dove
4:50 PM 168Quantification of dissolution/growth processes at the fluid-mineral interface: An integrated approach
Andreas Luttge, Rolf S. Arvidson, Thomas A. Fewless, Kevin J. Davis, Li Zhang, Mikala S. Beig, Michael D. Vinson, Dale S. Sawyer
5:10 PM 169Control of mineral surface reactions: Surface activation and passivation by dissolved components
Rolf S. Arvidson, Kevin J. Davis, Michael D. Vinson, Andreas Luttge
5:30 PM Concluding Remarks

Previous Session -- Interfacial Phenomena: Linking Atomistic and Macroscopic Properties

Symposium Grid -- Division of Geochemistry -- Session Listing

The 227th ACS National Meeting, Anaheim, CA, March 28-April 1, 2004