Mrs
Céline Claveranne-Lamolère
(IPREM/LCABIE and CEA-DAM-DIF)
28/03/2010, 14:20
Nuclear fuel cycle, environment
oral
Uranium is an actinide which naturally occurs in the environment. Its applications (civilian nuclear industry, agriculture, military applications, etc…) have induced an anthropogenic contamination, particularly in soils. So it is essential to know conditions and understand mechanisms of its transport. According to IUPAC, colloids refer to molecules or polymolecular particles which have in one...
Mr
Sébastien Lectez
(CNRS)
28/03/2010, 14:40
Nuclear fuel cycle, environment
oral
In order to understand the various mechanisms involved in the retention of the radionuclides on mineral surfaces, molecular simulations appear as a complementary tool to experiments. In this work, we propose to study the sorption of the solvated uranyl cation UO22+ on an abundant mineral surface, the gibbsite (Al(OH)3. The study of such complex systems may involve finite temperature...
2.
The Features of Luminol Chemiluminescence in Detection of Trace Amounts of Actinides in Solutions
Igor Izosimov
(Khlopin Radium Institute)
28/03/2010, 15:00
Nuclear fuel cycle, environment
oral
A widespread application of tunable lasers to analytical problems gave impetus to development of new procedures for detection of trace amounts of a substance in various media. A capability to vary the wavelength of laser radiation allows selective action on atoms and molecules and also their selective detection. From the practical standpoint, liquids are the most suitable for analysis since...