| GEOC | Sunday, September 7, 2003 | ||
8:00 AM-11:55 AM Javits Convention Center -- 1A25,Oral | |||
Advances in Arsenic Research: Integration of Experimental and Observational Studies and Implications for Mitigation | |||
| Speciation and Adsorption Studies | |||
| Presiding: | Liane G. Benning | ||
| Organizers: | Peggy A. O'Day Xiaoguang Meng Dimitri Vlassopoulos Liane G. Benning | ||
| 8:00 AM | Introductory Remarks | ||
| 8:05 AM | 1 | Arsenous acid deprotonation and stability from 25 to 300oC Valentina P. Zakaznova-Iakovleva, Terry M. Seward, Oleg M. Suleimenov | |
| 8:25 AM | 2 | Computed and observed redox chemistry of methyl arsenic species Paul M. Dombrowski, Dominic M. Di Toro, Kevin J. Farley, John D. Mahony, Long Wei | |
| 8:45 AM | 3 | Effect of thioarsenite formation on As(III) toxicity Kevin J. Rader, Paul M. Dombrowski, Kevin J. Farley, John D. Mahony, Dominic M. Di Toro | |
| 9:05 AM | 4 | Organoarsenic, the missing link? What happens when the Fe hydroxide model does not work Patrick Louchouarn, Jill Brandenberger, Bruce Herbert, April Patterson | |
| 9:25 AM | 5 | Arsenic transformation by algae: The role of phosphorus luxury uptake Ferdi L. Hellweger, Kevin J. Farley, Upmanu Lall, Dominic M. Di Toro | |
| 9:45 AM | Intermission | ||
| 9:55 AM | 6 | Arsenic speciation in porewaters of a freshwater sediment Stephanie Chow | |
| 10:15 AM | 7 | Calculation of the interaction of arsenites and arsenates with Al hydroxide surfaces John A. Tossell | |
| 10:35 AM | 8 | Modeling surface complexes of As(III) and As(V) with Al- and Fe-oxides J. D. Kubicki | |
| 10:55 AM | 9 | Competitive sorption of Fe(II) and As(III) on goethite: Implications for arsenic mobilization in reducing environments Suvasis Dixit, Janet G. Hering | |
| 11:15 AM | 10 | Arsenate and arsenite sorption and arsenite oxidation by Fe(II)-Fe(III) hydroxycarbonate green rust Chunming Su, Richard T. Wilkin | |
| 11:35 AM | 11 | Adsorption of arsenic by nanocrystalline titanium dioxide Xiaoguang Meng, Chuanyong Jing, Maria E Pena | |
Advances in Arsenic Research: Integration of Experimental and Observational Studies and Implications for Mitigation -- Next Session
Symposium Grid -- Division of Geochemistry -- Session Listing
The 226th ACS National Meeting, New York, NY, September 7-11, 2003