Thermodynamic properties of CaTh(PO4)2 synthetic cheralite

American Mineralogist

Volumn 93, Issue 8-9, 2008, Pages 1356-1362

  Popa, Karin ^a,c   Shvareva, Tatiana ^b   Mazeina, Lena ^b,d   Colineau, Eric ^a   Wastin, Franck ^a   Konings, Rudy J M ^a   Navrotsky, Alexandra ^b  

^a JOINT RESEARCH CENTRE   (Italy)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c ALEXANDRU IOAN CUZA UNIVERSITY OF IASI   (Romania)

^d NAVAL RESEARCH LABORATORY   (United States)

Author keywords

Actinide phosphates; Cheralite; Nuclear waste; Thermodynamic properties

Indexed keywords

ACTINIDES; CALCIUM OXIDE; ENTHALPY; PHOSPHATE MINERALS; RADIOACTIVE WASTES; SOLID STATE REACTIONS; SPECIFIC HEAT; TEMPERATURE; THERMODYNAMIC PROPERTIES; THORIA;

ANHYDROUS CONDITIONS; CHERALITE; CONFIGURATIONAL ENTROPY; ENTHALPY INCREMENTS; ENTHALPY OF FORMATION; EXPERIMENTAL DETERMINATION; LOW TEMPERATURE HEAT CAPACITIES; TETRAVALENT ACTINIDES;

CALCIUM;

ENTHALPY; HEAT CAPACITY; MONAZITE; RADIOACTIVE WASTE; THERMODYNAMIC PROPERTY;

EID: 50849092900     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am.2008.2794     Document Type: Article

References (50)

1. Beall, G.W., Boatner, L.A., Mullica, D.F., and Milligan, W.O. (1981) The structure of cerium orthophosphate, a synthetic analog of monazite. Journal of Inorganic Nuclear Chemistry, 43, 101-105.
2. Bregiroux, D., Belin, R., Valenza, P., Audubert, F., and Bemache-Assollant, D. (2007) Plutonium and americium monazite materials: Solid state synthesis and X-ray diffraction study. Journal of Nuclear Materials, 366, 52-57.
3. Brookins, D.G. (1984) Geochemical Aspects of Radioactive Waste Disposal, p. 77-114. Springer-Verlag, New York.
4. 3-δ perovskites (A = Ca or Sr). Journal of Solid State Chemistry, 178, 234-244.
5. 3(cr). Thermochimica Acta 375, 65-79.
6. Deschanels, X., Picot, V., Glorieux, B., Jorion, F., Peuget, S., Roudil, D., Jégou, C., Broudic, V., Cachia, J.N., Advocat, T., Den Auwer, C., Fillet, C., Coutures, J.P., Hennig, C., and Scheinost, A. (2006) Plutonium incorporation in phosphate and titanate ceramics for minor actinide containment. Journal of Nuclear Materials, 352, 233-240.
7. Förster, H.J. (1998) The chemical composition of REE-Y-Th-U-rich accessory minerals in peraluminous granites of the Erzgebirge-Fichtelgerbirge region, Germany, Part I: The Monazite-(Ce)-brabantite solid solution series. American Mineralogist, 83, 259-272.
8. Guillaumont, R., Fanghänel, T., Neck, V., Fuger, J., Palmer, D.A., Grenthe, L, and Ran,d, M.H. (2003) Update on the chemical thermodynamics of uranium, neptunium, plutonium, americium, and technetium, pp. 46, 60. Elsevier, Amsterdam.
9. Harlov, D.E. and Förster, H.J. (2003) Fluid-induced nucleation of (Y+REE)-phosphate minerals within apatite: Nature and experiment. Part II. Fluoroapatite. American Mineralogist, 88, 1209-1229.
10. 4. Nippon Kagaku Kaishi, 12, 1635-1640.
11. 4, a monazite-group mineral. Neues Jahrbuch fuer Mineralogie, Monatshefte, 8, 344-350.
12. Hultgren, R., Desau, P.D., Hawkins, D.T., Gleiser, M., Kelly, K.K, and Wagman, D.D. (1973) Selected Values ofthe Thermodynamic Properties of the Elements, p. 102-144. American Society of Metals (ASM), Metal Park, Ohio.
13. Javorský, P., Wastin, F., Colineau, E., Rebizant, J., Boulet, P., and Stewart, G.R. (2005) Low-temperature heat capacity on encapsulated transuranium samples. Journal of Nuclear Materials, 344, 50-55.
14. Konings, R.J.M. (2006) Thermodynamic properties of the lanthanide and actinide elements. European Commission, Joint Research Centre, Institute for Transuranium Elements, Report JTC-ITU-TN-2006/51.
15. Konings, R.J.M. and Sedmidubský, D. (2005) The heat capacity and entropy of the lanthanide and actinide oxides. European Commission, Joint Research Centre, Institute for Transuranium Elements, Report JTC-ITU-TN-2005/20.
16. Lashley, J.C., Hundley, M.F., Migliori, A., Sarrao, J.L., Pagliuso, P.G., Tarling, T.W., Jaime, M., Cooley, J.C., Hults, W.L., Morales, L., Thoma, D.J., Smith, J.L., Boerio-Goates, J., Woodfield, B.F., Stewart, G.R., Fisher, R.A., and Phillips N.E. (2003) Critical examination of heat capacity measurements made on quantum design physical property measurement system. Cryogenics, 43, 369-378.
17. 2. Canadian Mineralogist, 45, 503-508.
18. Lutze, W. and Ewing, R.C. (1988) Radioactive Waste Forms for the Future, p. 236-335, 495-565. Elsevier Science Publishers B.V., Amsterdam.
19. Lutze, W. and Ewing, R.C. (1989) Comparison of glass and crystalline nuclear waste forms. Material Research Society Symposium Proceedings, 127, 13-24.
20. 4 and enthalpy of the thorite → huttonite phase transition. Geochimica and Cosmochimica Acta, 69, 4675-4683.
21. McCarthy, G.J., White, W.B., and Pfoertsch, D.E. (1978) Synthesis of nuclear waste monazites, ideal actinide hosts for geologic disposal. Material Research Bulletin, 13, 1239-1245.
22. Meldrum, A., Wang, L.M., and Ewing, R.C. (1996) Ion beam induced amorphization of monazite. Nuclear Instruments and Methods in Physics Research, B 116, 220-224.
23. Montel, J.M., Devidal, J.L., and Avignant, D. (2002) X-ray diffraction study of brabantite-monazite solid solutions. Chemical Geology, 191, 89-104.
24. Montel, J.M., Glorieux, B., Seydoux-Guillaume, A.M., and Wirth, R. (2006) Synthesis and sintering of a monazite-brabantite solid solution ceramic for nuclear waste storage. Journal of Physics and Chemistry of Solids, 67, 2489-2500.
25. Navrotsky, A. (1977) Progress and new directions in high temperature calorimetry. Physics and Chemistry of Minerals, 2, 89-104.
26. Navrotsky, A. (1997) Progress and new directions in high temperature calorimetry revisited. Physics and Chemistry of Minerals, 24, 222-241.
27. Ni, Y., Hughes, J.M., and Mariano, A. (1995) Crystal chemistry of the monazite and xenotime structures. American Mineralogist, 80, 21-26.
28. 4 (780 °C, 200 MPa): Implications for monazite and actinide orthophosphate stability. American Mineralogist, 82, 765-771.
29. 4 synthetic monazites. Thermochimica Acta, 445, 49-52.
30. 4. Journal of Chemical Thermodynamics, 38, 1306-1311.
31. 4 (Ln = La, Ce, Gd) by drop calorimetry. Journal of Chemical Thermodynamics, 38, 825-829.
32. 4 solid solutions. Journal of Chemical Thermodynamics, 39, 236-239.
33. 4. Solid State Communications, 69, 74-77.
34. Robie, R.A. and Hemingway, B.S. (1995) Thermodynamic properties of minerals and related substances at 298.15 K and 1 Bar (105 Pascals) pressure and at higher temperatures. U.S. Geological Survey Bulletin No. 2131, Washington, D.C.
35. Rodriguez-Carjaval, J. (1993) Recent advances in magnetic structure determination by neutron powder diffraction. Physica B: Physics of Condensed Matter, 192, 55-69.
36. 2, a new mineral of the monazite group. Neues Jahresbuch Mineralogische Monatshefte, 1980, 247-257.
37. Sales, B.C., White, C.W., and Boatner, L.A. (1983) A comparison of the corrosion characteristics of synthetic monazite and borosilicate glass containing simulated nuclear defense waste. Nuclear Chemical Waste Management, 4, 281-289.
38. Sedmidubský, D. (2000) DSCEval - Software for DSC-data Evaluation. Institute of Chemical Technology, Prague, Czech Republic.
39. 7 pyrochlores. Journal of Chemical Thermodynamics, 37, 1098-1103.
40. Seydoux-Guillaume, A.M., Wirth, R., Heinrich, W., and Montel, J.M. (2002) Experimental determination of thorium partitioning between monazite and xenotime using analytical electron microscopy and X-ray diffraction Rietveld analysis. Europian Journal of Mineralogy, 14, 869-878.
41. Shannon, R.D. (1976) Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides. Acta Crystallographica, A32, 751-767.
42. Swalin, R.A. (1972) Thermodynamics of Solids, p. 153-159. Wiley-Interscience Publication, New York.
43. Tabuteau, A., Pages, M., Livet, J., and Musikas, C. (1988) Monazite-like phases containing transuranium elements (neptunium and plutonium). Journal of Material Science Letters, 7, 1315-1317.
44. Terra, O., Dacheux, N., Audubert, F., and Podor, R. (2006) Immobilization of tetravalent actinides in phosphate ceramics. Journal of Nuclear Materials, 352, 224-232.
45. 4, the synthetic analog of monazite. Physics and Chemistry of Minerals, 31, 1-6.
46. Thiriet, C., Javorský, P., and Konings, R.J.M. (2005a) Low-temperature study of magnetic ordering in gadolinium orthophosphate. Solid State Communications, 134, 409-412.
47. 4. Journal of Nuclear Materials, 344, 56-60.
48. 4 series. Journal of Chemical Thermodynamics, 37, 131-139.
49. Ushakov, S.V., Helean, K.B., Navrotsky, A., and Boatner, L.A. (2001) Thermochemistry of rare-earth orthophosphates. Journal of Material Research, 16, 2623-2633.
50. 2. Journal of Material Research, 19, 2165-2175.