ROBL-RCH-Workshop 2006

Rossendorf Beamline: Radiochemie-Workshop

Dienstag, 19. Dezember 2006

im Seminarraum (Erdgeschoss), Gebäude 8a

Chair: A. Scheinost

10.00-10.15

G. Bernhard
Einführung

10.15-10.45

A.C. Scheinost, L. Charlet, A. Gehin (Université de Grenoble), G. Sposito (University of Berkeley)
Abiotic Se reduction by Fe(II): Elucidation of reaction mechanisms and kinetics

10.45-11.15

Ch. Hennig
Diffuse scattering as a new tool to get structural information on actinide coordination in solution

11.15-11.45

A. Ikeda, Ch. Hennig, S. Tsushima, A. Rossberg, A.C. Scheinost, G. Bernhard, K. Takao, Y. Ikeda
Comparative study of uranyl(VI) and uranyl(V) carbonato complexes in aqueous solution

anschließend

Mittagspause

13.00-13.30

A. Rossberg, S. Tsushima, A.C. Scheinost, K.-U. Ulrich
Carbonate effects on surface speciation of uranyl at the ferrihydrite-water interface: New insights from advanced EXAFS data analysis

13.30-14.00

S. Tsushima, A. Roßberg, A.C. Scheinost
DFT study of the structure of uranyl complexes: Contribution from electronic and vibrational excitation

14.00-14.30

T. Arnold, A.C. Scheinost, N. Baumann, V. Brendler
Surface speciation of uranyl(VI) on gibbsite: A combined spectroscopic approach

14.30-15.00

H. Funke
EXAFS studies of Zn-Al, Ni-Al, and Co-Al double layer hydroxides

15.00-15.30

A. Günther, A. Roßberg
Uranium species formed by monocellular algae - EXAFS investigations at 30K -

15.30-16.00

S. Selenska-Pobell
XAS results of microbial systems

16.00-16.15

A. Scheinost
Zusammenfassung des Workshops + Jahresbilanz ROBL 2006

anschließend

Kaffee + Diskussion