Kinetics and mechanisms of Np(VI) and Np(V) reductions by U(IV) in TBP solutions

Journal of Nuclear Science and Technology

Volumn 39, Issue , 2002, Pages 351-354

  Koltunov, V S ^a   Taylor, R J ^b   Marchenko, V I ^a   Mezhov, E H A ^a   Zhuravleva, G I ^a   Dvoeglazov, K N ^a   Savilova, O A ^a  

^a A A Bochvar All Russia Research Institute of Inorganic Materials (VNIINM)   (United Kingdom)

^b SELLAFIELD LTD   (United Kingdom)

Author keywords

Kinetics; Mechanism; Neptunium; Tributyl phosphate; U(IV)

Indexed keywords

EID: 85010607010     PISSN: 00223131     EISSN: None     Source Type: Journal    
DOI: 10.1080/00223131.2002.10875481     Document Type: Article

References (6)

1. V. Koltunov, R. Taylor, V. Marchenko, et al., “The oxidation of U(IV) by nitric acid in 30% tri-butyl phosphate solutions”, Radiochim. Acta, 86, 41 (1999).
2. J. Sullivan, A. Zielen, J. Hindman “Kinetics of reduction of neptunium(VI) by uranium(IV)”, J. Amer. Chem. Soc., 82, 5288 (1960).
3. J. Sullivan, A. Zielen, J. Hindman, J. Amer. Chem. Soc., 83, 3373 (1961).
4. R. Taylor, V. Koltunov, V. Marchenko, et al, “Recent studies of heterogeneous and homogeneous reduction-oxidation reactions of U(IV) ions in nitric acid and TBP phases”, Int. Conf. NUCEF 2001, Tokai-Mura, Japan (2001).
5. I. Shilin, T. Rumyantseva “Kinetics of Np(V)-U(IV) Reaction in nitrate solutions”, Radiokhimiya, 20, 536 (1978).
6. N. Blokhin, V. Ermakov, A. Rykov “Investigations of RedOx reactions of actinides. XXVII. Kinetics of U(IV) - Np(V) reaction in perchlorate solutions”, Radiokhimiya, 16, 355 (1974).