Entry to neptunyl(V) chemistry in anhydrous systems

Journal Article · Wed Aug 15 04:00:00 EDT 2012 · Abstracts of Papers of the American Chemical Society

OSTI ID:22273989

Copping, Roy ^[1]; Mougel, Victor; Mazzanti, Marinella ^[2]; Berthon, Claude; Moisy, Philippe; Den Auwer, Christophe ^[3]

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1. C-IIAC, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, (United States)
2. Laboratoire de Reconnaissance Ionique et Chimie de Coordination, CEA Grenoble, Grenoble, (France)
3. Departement Radiochimie et Chimie des Procedes/SCPS/LILA, CEA Marcoule, Bagnol Sur Ceze, (France)

The increasing generation of highly radioactive neptunium during nuclear power production has called for an enhanced understanding of the fundamental chemistry of this element. NpO{sub 2}{sup +}, Np(V) is the most relevant neptunyl species in both nuclear reprocessing, environmental concerns and long-term storage of waste where {sup 237}Np represents a significant component of radiotoxicity. A fundamental understanding of the structure, bonding and reactivity of this species is essential for the development of advanced future {sup 237}Np separation processes. Therefore it is important that neptunyl(V) coordination chemistry is advanced to anaerobic systems where air and moisture sensitive ligands containing softer donor atoms can be utilized. To achieve this we have developed an anhydrous Np(V) synthetic precursor and begun to probe coordination chemistry with multi-dentate Schiff base ligands. (authors)

• OSTI ID: 22273989
• Journal Information: Abstracts of Papers of the American Chemical Society, Journal Name: Abstracts of Papers of the American Chemical Society Vol. 244; ISSN 0065-7727
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
CRYSTAL STRUCTURE
NEPTUNIUM 237
NEPTUNYL COMPOUNDS
SCHIFF BASES
SEPARATION PROCESSES