Thermodynamic model for the solubility of ThO2(am) in the aqueous Na+-H+-OH--NO3 --H2O-EDTA system

Radiochimica Acta

Volumn 91, Issue 12, 2003, Pages 751-760

  Xia, Yuanxian ^a   Felmy, Andrew R ^a   Rao, Linfeng ^b   Wang, Zheming ^a   Hess, Nancy J ^a  

^a PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

^b LAWRENCE BERKELEY NATIONAL LABORATORY   (United States)

Author keywords

EDTA complexes; Ion interaction parameters; Pitzer model; Solubility; Thermodynamic data; Thorium complexes

Indexed keywords

EDETIC ACID; HYDROXYL GROUP; NITRITE; OXYGEN DERIVATIVE; PROTON; SODIUM ION; THORIUM DIOXIDE; WATER;

ADSORPTION; AQUEOUS SOLUTION; ARTICLE; CALCULATION; CHELATION; CHEMICAL INTERACTION; COMPLEX FORMATION; CONCENTRATION RESPONSE; EQUILIBRIUM CONSTANT; OBSERVATION; PHYSICAL MODEL; PRECIPITATION; REACTION ANALYSIS; ROENTGEN SPECTROSCOPY; SOLID; SOLUBILITY; STOICHIOMETRY; STRUCTURE ACTIVITY RELATION; THERMODYNAMICS; X RAY ABSORPTION NEAR EDGE SPECTROSCOPY;

EID: 0347989150     PISSN: 00338230     EISSN: None     Source Type: Journal    
DOI: 10.1524/ract.91.12.751.23416     Document Type: Article

References (24)

1. Felmy, A. R.: Thermodynamic Modeling of Sr/TRU Removal. PNWD-3044, BNFL-RPT-037 Rev 0 (2000).
2. Choppin, G. R., Bond, A. H., Borkowski, M., Bronikowski, M. G., Chen, J., Lis, S., Mizera, J., Pokrovsky, O., Wall, N. A., Xia, Y., Moore, R. C.: Waste Isolation Pilot Plant Actinide Source Term Test Program: Solubility Studies and Development of Modeling Parameters. SANDIA REPORT SAND99-0943 (2001).
3. 2O-ethylenediaminetetraactate system. Radiochim. Acta 89, 67 (2001).
4. Katz, J. J., Morss, L. R., Seaborg, G. T.: The Chemistry of the Actinide Elements. Chapman and Hall, London (1986).
5. - systems. Radiochim. Acta 86, 33 (1999).
6. Martell, A. E., Smith, R. M: Critically Selected Stability Constants of Metal Complexes Database. Version 2.0. NIST Standard Reference Data Program, Gaithersburg, MD (1995).
7. Bogucki, R. F., Martell, A. E.: Hydrolysis and olation of Th(IV) chelates of polyaminopolycarboxylic acids. J. Amer. Chem. Soc. 80, 4170 (1958).
8. 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 (1991).
9. 3 solutions. Mat. Res. Soc. Symp. Proc. Vol. 353, Materials Research Society (1995).
10. 2 solutions. Radiochim. Acta 79, 239 (1997).
11. 2O system at 23 °C and 90 °C. Radiochim. Acta 88, 297 (2000).
12. 4 Electrolytes. SAND94-1949, Sandia National Laboratory, Albuquerque, New Mexico (1995).
13. Zabinsky, S. I., Rehr, J. J., Ankudinov, A., Albers, R.C., Eller, M. J.: Multiple-scattering calculations of X-ray-absorption spectra. Phys. Rev. B. 52, 2995 (1995).
14. 2O. Acta Cryst. B 31, 2615 (1975).
15. Pitzer, K. S.: Thermodynamics of electrolytes. I. Theoretical basis and general equations. J. Phys. Chem. 77, 268 (1973).
16. nd edn., CRC Press, Boca Raton (1991) pp. 75-153.
17. 2O system to high ionic strengths at 25 °C. Geochim. Cosmochim. Acta 48, 723 (1984).
18. Felmy, A. R., Weare, J. H.: The prediction of borate mineral equilibria in natural waters: application to Searles Lake, California. Geochim. Cosmochim. Acta 50, 2771 (1986).
19. Felmy, A. R., Rai, D., Schramke, J. A., Ryan, J. I.: Solubility of plutonium hydroxide in dilute solution and in high-ionic strength chloride brines. Radiochim. Acta 48, 29 (1989).
20. Ryan, J. L., Rai, D.: Thorium(IV) hydrous oxide solubility. Inorg. Chem. 26, 4140 (1987).
21. Felmy, A. R., Mason, M. J.: An Aqueous Thermodynamic Model for the Complexation of Sodium and Strontium with Organic Chelates Valid to High Ionic Strength. I. Ethylenedinitrilotetraacetic acid (EDTA). J. Solution Chem. 32(4), 283 (2003).
22. Mizera, J., Bond, A. H., Choppin, G. R., Moore, R. C.: Dissociation constants of carboxylic acids at high ionic strengths., In: Actinide Speciation in High Ionic Strength Media. (Reed et al., eds.) Kluwer Academic/Plenum Publishers, New York (1999) pp. 113-124.
23. Felmy, A. R., Rai, D.: Application of Pitzer's equations for modeling, the aqueous thermodynamics of actinide species: a review. J. Solution Chem. 28 533 (1999), special memorial edition in honor of Professor Kenneth Pitzer.
24. Felmy, A. R., Rustad, J. R., Mason, M. J., de la Bretonne, R.: A Chemical Model for the Major Electrolyte Components of the Hanford Waste Tanks. TWRS-PP-94-090. Westinghouse Hanford Co. Richland, WA (1994).