Thermodynamics and solubility of (UxNp1-x)O 2 (am) solid solution in the carbonate system

Radiochimica Acta

Volumn 92, Issue 9-11, 2004, Pages 527-535

  Rai, Dhanpat ^a   Hess, N J ^a   Yui, M ^b   Felmy, A R ^a   Moore, D A ^a  

^a PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

^b JAPAN ATOMIC ENERGY AGENCY   (Japan)

Author keywords

Actinides; Coprecipitation; Neptunium; Np(IV) hydrous oxide; Solid solution; Solubility; Tetravalent actinides; Thermodynamics; U(IV) hydrous oxide; Uranium

Indexed keywords

CARBONIC ACID; NEPTUNIUM; POTASSIUM BICARBONATE; POTASSIUM CARBONATE; URANIUM;

ABSORPTION SPECTROSCOPY; CHEMICAL ANALYSIS; CONFERENCE PAPER; MATHEMATICAL ANALYSIS; PRECIPITATION; ROENTGEN SPECTROSCOPY; SCANNING ELECTRON MICROSCOPE; SOLID STATE; SOLUBILITY; SPECTROMETRY; THERMODYNAMICS; X RAY DIFFRACTION;

EID: 10344250480     PISSN: 00338230     EISSN: None     Source Type: Journal    
DOI: 10.1524/ract.92.9.527.54995     Document Type: Conference Paper

References (12)

1. Sass, B. M., Rai, D.: The solubility of amorphous Cr(III)-Fe(III) hydroxide solid solutions. Inorg. Chem. 26, 2228 (1987).
2. Nuclear Energy Agency (OECD-NEA): The Use of Thermodynamic Databases in Performance Assesment. In Barcelona, Spain, Nuclear Energy Agency (2001).
3. 2O system. Radiochim. Acta 82, 17 (1998).
4. 2O system. Radiochim. Acta 84, 159 (1999).
5. Schramke, J. A., Rai, D., Choppin, G. R., Fulton, R. W. Fulton: Determination of aqueous plutonium oxidation states by solvent extraction. J. Radioanal. Nucl. Chem. Articles. 130, 333-346 (1989).
6. Sterner, S. M., Felmy, A. R., Rustad, J. R., Pitzer, K. S.: Thermodynamic Analysis of Aqueous Solutions Using INSIGHT. PNWD-SA-4436, Pacific Northwest National Laboratory, Richland, Washington (1997).
7. Mcmaster, W. H., Del Grande, N. K., Mallet, J. H., Hubbell, J. H.: Compilation of X-ray Cross Sections. UCRL-50174, University of California, Livermore (1969).
8. Lemire, R., Fuger, J. J., Kastriot, S., Nitsche, H., Ullman, W. J., Potter, P., Vitorge, P., Rand, M. H., Wanner, H., Rydberg, J.: Chemical Thermodynamics of Neptunium and Plutonium. Chemical Thermodynamics. Vol. 4, Elsevier Science B.V., Amsterdam (2001).
9. Aukudinov, A. L.: Self Energy Models in EXAFS, XANES, and XMCD. Ph. D. Thesis, University of Washington, Seattle (1996).
10. Zabinsky, S. I., Rehr, J. J., Ankudinov, A., Albers, R. C., Her, M. J.: Multiple scattering calculations of X-ray absorption spectra. Phys. Rev. B. 52, 2995 (1995).
11. 2O(am) in the presence of Cu(I)/Cu(II) redox buffer. Radiochim. Acta 42, 35 (1987).
12. Wood, B. J., Fraser, D. G.: Elementary Thermodynamics for Geologists. Oxford University Press, Oxford (1977).