A Thermodynamic Model for the Solubility of UO2(am) in the Aqueous K+-Na+-HCO3--CO3 2--OH--H2O System

Radiochimica Acta

Volumn 82, Issue 1, 1998, Pages 17-25

  Rai, Dhanpat ^a   Felmy, Andrew R ^a   Hess, Nancy J ^a   Moore, Dean A ^a   Yui, Mikazu ^b  

^a PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

^b JAPAN ATOMIC ENERGY AGENCY   (Japan)

Author keywords

Carbonate complexes; Solubility; Thermodynamics; U(CO3)56 ; U(IV) hydrous oxide; UO2(am)

Indexed keywords

EID: 0002896890     PISSN: 00338230     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. Grenthe, I. J., Fuger, R. J., Konigs, M., Lemire, R. J., Muller, A. B., Nguyen-Trung, C., Wanner, H.: Chemical Thermodynamics of Uranium, Vol. 1. Elsevier Science Publishing Company, Inc., North-Holland, New York (1992).
2. 3 Solutions. Materials Research Society Symposium, 353, 1143-1150 (1995).
3. Clark, D. L., Hobart, D. E., Neu, M. P.: Actinide Carbonate Complexes and Their Importance in Actinide Environmental Chemistry. Chem. Rev. 95, 25-48 (1995).
4. 4-, in Hydrogen Carbonate Solutions. Inorg. Chem. 22, 2088-2092 (1983).
5. 4-, in Hydrogen Carbonate Solutions. Inorg. Chim. Acta 158, 221-226 (1989).
6. Cukman D., Caja, J., Pravdic, V.: The Electrochemical Oxidation of Uranium(IV) in Sodium Bicarbonate Solutions. J. Electroanal. Chem. 19, 267-274 (1968).
7. Stabrovskii, A. I.: Polarography of Uranium Compounds in Carbonate and Bicarbonate Solutions. Russ. J. Inorg. Chem. 5, 389-394 (quoted in Grenthe et al. 1992) (1960).
8. 2O Media. Geochim. Cosmochim. Acta 58(2), 613-623 (1994).
9. 3 Solutions. J. Solution Chem. 26(3), 233-248 (1997).
10. Pitzer, K. S.: Thermodynamics of Electrolytes. I. Theoretical Basis and General Equations. J. Phys. Chem. 77(2), 268-272 (1973).
11. Pitzer, K. S.: Ion Interaction Approach: Theory and Data Correlation. Chapter 3 in : Activity Coefficients in Electrolyte Solutions, 2nd ed., ed. K. S. Pitzer, CRC Press, Boca Raton, Florida (1991).
12. Schramke, J. A., Rai, D., Choppin, G. R., Fulton, R. W.: Determination of Aqueous Plutonium Oxidation States by Solvent Extraction. J. Radioanal. Nucl. Chem. Articles 130, 333-346 (1989).
13. Lee, P. A., Citrin, P. H., Eisnberger, P., Kincaid, B. M.: Extended X-Ray Absorption Fine Structure - Its Strengths and Limitations as a Structural Tool. Rev. Mod. Phys. 53, 769 (1981).
14. 2O. Acta Crystallogr. B31, 2612 (1975).
15. Rehr, J. J., Zabinsky, S. I., Albers, R. C.: High-Order Multiple Scattering Calculations of X-ray-Absorption Fine Structure. Phys. Rev. Lett. 69, 3397-3400 (1992).
16. Zabinsky, S. I., Rehr, J. J., Ankudinov, A., Albers, R. C., Eller, M. J.: Multiple Scattering Calculations of X-Ray Absorption Spectra. Phys. Rev. B52, 2995 (1995).
17. 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).
18. 2 Solutions. Radiochim. Acta 79, 239-247 (1997).
19. 2O System in High Ionic Strengths at 25°C. Geochim. Cosmochim. Acta 48, 723-751 (1984).
20. Fuger, J., Getting, F. L.: The Chemical Thermodynamics of Actinide Elements and Compounds. Part 2. The Actinides Aqueous Ions. International Atomic Energy Agency, Vienna, Austria (1976).
21. Felmy A. R., Rai, D., Mason, M. J.: The Solubility of Hydrous Thorium(IV) Oxide in Chloride Media: Development of an Aqueous Ion-interaction Model. Radiochim. Acta 55, 177-185 (1991).