Session: Chemistry of Metals in Terrestrial and Aquatic Systems


GEOC		Tuesday, March 30, 2004

8:00 AM-11:30 AM Marriott -- Marquis NE, Oral
Chemistry of Metals in Terrestrial and Aquatic Systems
Speciation
Organizer, Presidings:	Stephan Kraemer Bernd Nowack
8:00 AM		Introductory Remarks
8:05 AM	57	Metal sulfide cluster complexes and their biogeochemical importance in the environment George W. Luther III, David Rickard, Timothy F. Rozan, Stephen M. Theberge
8:45 AM	58	Capillary electrophoresis – Inductively coupled plasma mass spectrometry: A new technique to quantify lanthanide - humic acid equilibria and kinetics V. Salters, Jeroen E Sonke
9:05 AM	59	Factors controlling Cu(I) steady-state concentrations in surface waters Barbara Sulzberger, Diane Buerge-Weirich
9:25 AM	60	Effects of Fe on physicochemical characteristics of natural organic matter Michael J. Pullin, Charles Anthony, Patricia A. Maurice
9:45 AM		Intermission
10:00 AM	61	Geochemistry of DOC-rich coastal watercourses in northwest Germany Sibylle Kölsch, Olaf Dellwig, Maik Grunwald, Rainer Reuter, Hans-J. Brumsack
10:20 AM	62	Dissolved and colloidal trace elements in two contrasting rivers systems: The Mississippi and Yukon Rivers Alan M. Shiller
10:40 AM	63	Competitive complexation of humic substance with metal ions in contaminated groundwater Ping Zhou, Baohua Gu, Hui Yan
11:00 AM	64	Measuring free metal ion concentration in the field Liping Weng, Willem H van Riemsdijk, Erwin Temminghoff, Erwin Kalis
11:20 AM		Concluding Remarks

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