ROBL-RCH-Workshop 2008

Rossendorf Beamline: Radiochemistry-Workshop

Thursday, December 18, 2008

Seminarraum, Building 8a (ground floor)

Chair: Andreas Scheinost

09.00-09.15

G. Bernhard
Introduction

09.15-10.00

Takumi Saito (The University of Tokyo)
Structural characterization of uranyl surface complexes on gibbsite in the presence of silicic acid using EXAFS spectroscopy and DFT calculations

10.00-10.20

Satoru Tsushima
Photochemical reduction of UO22+ studied by DFT calculations

10.20-10.50

Koichiro Takao, Sh. Takao, A. Ikeda-Ohno, A. Scheinost, Ch. Hennig
 Stability and structures of NpVI and NpV acetate complexes from UV-Vis and X-ray absorption spectroscopy

10.50-11.10

Christian Lucks, A. Rossberg, A.C. Scheinost
Aqueous UVI complexes with tartaric acid: a combined XAFS and UV-vis study

11.10-11.30

Regina Kirsch, A.C. Scheinost, A. Rossberg, L. Charlet (Univ. J.-Fourier Grenoble)
Sorption of SbV to and reaction with magnetite

11.30-12.00

Dipanjan Banerjee, R. Kirsch, A. Scheinost
X-ray photoelectron and absorption spectroscopy investigation of SeIV and SbV reduction by mackinawite

12.00-13.00

Lunch Break

13.00-13.30

Harald Funke, A. Rossberg
 Inversion of the EXAFS equation by a recursive iteration method. Part I Theory

13.30-14.00

Andre Rossberg, H. Funke
Inversion of the EXAFS equation by a recursive iteration method. Part II Application

14.00-14.30

C. Hennig, H. Zaenker, S. Weiss
 Interaction of U(IV) with silicate in aqueous solution - an attempt to determine the resulting structures

14.30-14.50

Andreas Scheinost, D. Banerjee
Towards a micro-XAS beamline for actinide research: First results on uranium oxidation state mapping and micro-XAS from SSRL

14.50-15.10

Andreas Scheinost
The Rossendorf Beamline in 2008 and outlook into 2009 and beyond

15.10…..

Coffee + Discussions