Objective
THE FIRST PART OF THE RESEARCH IS TO OBTAIN RELIABLE THERMODYNAMIC CONSTANTS OF HYDROLYSIS REACTION AND CARBONATE COMPLEXATION FOR ACTINIDES OF DIFFERENT OXIDATION STATES, WHOSE DATA ARE NOT WELL KNOWN OR KNOWN WITH LARGE UNCERTAINTIES. THIS CONCERNS AM, PU, NP, TH AND U IONS. THE SPECIES ASSUMED FOR THE EVALUATION OF THERMODYNAMIC DATA WILL BE VERIFIED WITH THE HELP OF SPECTROSCOPIC OR OTHER METHODS.
THE SECOND PART OF THE PROGRAMME AIMS AT THE SPECIATION OF ACTINIDES IN VARIOUS AQUIFER SYSTEMS. THE CONDITIONS WOULD BE THOSE OF THE GORLEBEN AQUIFERS AS A MIRAGE REFERENCE SITE. THE ELEMENTS TO BE STUDIED ARE NP, PU AND AM. THE SPECIATION WILL BE CARRIED OUT USING LASER-INDUCED PHOTOACOUSTIC SPECTROSCOPY (LPAS) WITH THE HELP OF ULTRAFILTRATION AND ULTRACENTRIFUGATION. THE INDIRECT CHEMICAL SPECIATION WILL BE INCLUDED FOR EXTREMELY LOW CONCENTRATIONS: < 10-8 MOLAR. A NEW SPECTROSCOPIC METHOD USING LASER-INDUCED FLUORESCENCE (LFS) WILL BE TESTED FOR ACTINIDES OF TRI- AND HEXAVALENT STATE WITH AN EXPECTED SPECIATION SENSITIVITY UP TO 10-12 MOL/L.
1. COMPILATION, VERIFICATION, DETERMINATION OF THERMODYNAMIC CONSTANTS OF HYDROLYSIS REACTION AND CARBONATE COMPLEXATION.
- CRITICAL ASSESSMENT AND COMPILATION OF THERMODYNAMIC DATA OF AN(III), AN(IV), AN(V) AND AN(VI)
- EXPERIMENTAL DETERMINATION AND VERIFICATION OF UNCERTAIN THERMODYNAMIC DATA
- VERIFICATION OF SPECIES ASSUMED FOR THE EVALUATION OF THERMODYNAMIC DATA
2. SPECIATION OF ACTINIDES IN NATURAL AQUIFER SYSTEMS FROM THE MIRAGE REFERENCE SITE (E.G. GORLEBEN)
- SPECIATION UNDER VARIOUS GEOCHEMICAL CONDITIONS OF DIFFERENT AQUIFERS
- COMPARISON OF EXPERIMENTAL SPECIATION WITH THEORETICAL SPECIATION BASED ON THERMODYNAMIC DATA
- DEVELOPMENT OF A NEW SPECTROSCOPIC METHOD.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences inorganic chemistry inorganic compounds
- natural sciences chemical sciences electrochemistry electrolysis
- natural sciences physical sciences optics spectroscopy
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Programme(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
85350 FREISING
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.