304
D. Ferri· C. Manfredi· E. Vasca . C. Fontanella· V. Caruso
tions studied, we have not yet succeeded in producing spectroscopic evidence in support of the mechanism proposed, but we shall not give up.
We are presently striving to realize in solutions of oxalate the same cycle obtained
for carbonate.
References
Aberg M, Ferri D, Glaser J, Grenthe I (1983a) Structure of the hydrated dioxouranium(VI) ion in aqueous solution. An X-ray diffraction and 1H NMR study. Inorg Chern 22:3986
Aberg M, Ferri D, Glaser J, Grenthe I (1983b) Studies on metal carbonate equilibria. 8. Structure of the
exakis(carbonato )tris-dioxouranate(VI) ion in aqueous solution. An X-ray diffraction and 13C NMR
study. Inorg Chern 22:3981
Biedermann G (1975) DalIlem Workshop on the Nature of Seawater. Dahlem Konferenzen, Berlin
Biedermann G, Bruno J, Ferri D, Grenthe I, Salvatore F, SpalIiu K (1982) Modelling of the migration of
lanthanoids and actinoids in ground water: The medium dependence of equilibrium constants. Scientific Basis for Nuclear Waste Management V, Berlin, p 791
Bf0ensted IN (1922) Studies of solubility: IV. The principle of specific interaction of ions. J Am Chern
Soc 44:877-898
Br0ensted IN (1923) The individual thermodynamic properties of ions. J Am Chern Soc 45:2898-2910
Bruno J, Ferri D, Grenthe I, Salvatore F (1986) Studies on metal carbonate equilibria. 13. On the solubility of the uranium(IV) dioxide, U02(s). Acta Chern Scand A40:428
Ciavatta L (1980) Ann Chim 70:551
Ciavatta L, Ferri D, Grimaldi M, Palombari R, Salvatore F (1979) Dioxouranium(VI) carbonate complexes
in acid solution. J Inorg Nucl Chern 41:1175
Ciavatta L, Ferri D, Grenthe I, Salvatore F (1981) On the first acidification step of the triscarbonatodioxouranate(VI) ion, U02(C03)t. Inorg Chern 20:463
Ciavatta L, Ferri D, Grenthe I, Salvatore F (1983) Studies on metal carbonate equilibria. 4. Reduction of
the tris( carbonato )dioxouranate(VI) ion, U02( C03)~-' in hydrogen carbonate solutions. Inorg Chern
22:2088
CODATA (1978) CODATA recommended key values for thermodynamics 1977- Committee on Data for
Science and Technology (CODATA), Bulletin 28, International council for Scientific Unions, Paris
Daniele PG, De Stefano C, Prenesti E, Sammartano S (1994) Weak complex formation in aqueous solution. Current Topics in Sol Chern 1:95
De Stefano C, Sammartano S, Mineo P, Rigano C (1997) Computer tools for the speciation of natural
fluids. In: Gianguzza A, Pellizzetti E, Sammartano S (eds) Marine chemistry - An environmental
analytical chemistry approach. Kluwer Academic Publishers, Amsterdam, p 71
Ferri D, Glaser J, Grenthe I (1988) Confirmation of the Structure of (U02h(C03)~- by 17 0 NMR. Inorg
Chim Acta 148:133
Ferri D, Grenthe I, Salvatore F (1981) Dioxouranium(VI) carbonate complexes in neutral and alkaline
solutions. Acta Chern Scand A35:403
Ferri D, Grenthe I, Salvatore F (1983) Studies on metal carbonate equilibria. 7. Reduction of the
tris(carbonato)dioxouranate(VI) ion, U02(C03)~- in carbonate solutions. Inorg Chern 22:3162
Ferri D, Salvatore F, Vasca E, Graser J, Grenthe I (1993) Complex formation in the U(VI)-OH--F- system.
Acta Chern Scand 47:855
Ferri D, Salvatore F, Vasca E, Miranda R (1994) A combined potentiometric-coulometric method for the
analysis of uranium in carbonate media. Ann Chim (Rome) 84:283
Grenthe I, Ferri D (1981), Actinide species in ground water Systems. Near-field phenomena in geologic
repositories for radioactive wastes. NEA, Paris, p 21
Grenthe I, Puigdomenech I (eds) (1997) Modelling in aquatic chemistry. OECD-NEA, Paris
Grenthe I, Ferri D, Riccio G, Salvatore F (1984) Studies on metal carbonate equilibria. 10. Solubility study
of the complex formation in the U(VI)-water-carbon dioxide system at 25°C. J Chern Soc Dalton
Trans 11:2439
Grenthe I, Fuger J, Konings RJM, Lemire RJ, Muller AB, Nguyen-Trung C, Wanner H (1992) Chemical
thermodynamics of uranium. In: Wanner H, Forest I (eds) Elsevier, Amsterdam
Guggenheim EA (1966) Applications of statistical mechanics. Clarendon Press, Oxford
Lemire RJ (2001) Chemical thermodynamics of neptunium and plutonium. Elsevier, Amsterdam
May PM, Murray K (2001) Database of chemical reactions designed to achieve thermodynamic consistency automatically. J Chern Eng Data 46:1035
bsthols E (2000) The NEA thermochemical database project. NEA-TDB, Issy-Ies-Moulineaux
Pankratz LB (1982) Thermodynamic properties of elements and oxides. Bullettin, US Bureau of Mines
D. Ferri· C. Manfredi· E. Vasca . C. Fontanella· V. Caruso
tions studied, we have not yet succeeded in producing spectroscopic evidence in support of the mechanism proposed, but we shall not give up.
We are presently striving to realize in solutions of oxalate the same cycle obtained
for carbonate.
References
Aberg M, Ferri D, Glaser J, Grenthe I (1983a) Structure of the hydrated dioxouranium(VI) ion in aqueous solution. An X-ray diffraction and 1H NMR study. Inorg Chern 22:3986
Aberg M, Ferri D, Glaser J, Grenthe I (1983b) Studies on metal carbonate equilibria. 8. Structure of the
exakis(carbonato )tris-dioxouranate(VI) ion in aqueous solution. An X-ray diffraction and 13C NMR
study. Inorg Chern 22:3981
Biedermann G (1975) DalIlem Workshop on the Nature of Seawater. Dahlem Konferenzen, Berlin
Biedermann G, Bruno J, Ferri D, Grenthe I, Salvatore F, SpalIiu K (1982) Modelling of the migration of
lanthanoids and actinoids in ground water: The medium dependence of equilibrium constants. Scientific Basis for Nuclear Waste Management V, Berlin, p 791
Bf0ensted IN (1922) Studies of solubility: IV. The principle of specific interaction of ions. J Am Chern
Soc 44:877-898
Br0ensted IN (1923) The individual thermodynamic properties of ions. J Am Chern Soc 45:2898-2910
Bruno J, Ferri D, Grenthe I, Salvatore F (1986) Studies on metal carbonate equilibria. 13. On the solubility of the uranium(IV) dioxide, U02(s). Acta Chern Scand A40:428
Ciavatta L (1980) Ann Chim 70:551
Ciavatta L, Ferri D, Grimaldi M, Palombari R, Salvatore F (1979) Dioxouranium(VI) carbonate complexes
in acid solution. J Inorg Nucl Chern 41:1175
Ciavatta L, Ferri D, Grenthe I, Salvatore F (1981) On the first acidification step of the triscarbonatodioxouranate(VI) ion, U02(C03)t. Inorg Chern 20:463
Ciavatta L, Ferri D, Grenthe I, Salvatore F (1983) Studies on metal carbonate equilibria. 4. Reduction of
the tris( carbonato )dioxouranate(VI) ion, U02( C03)~-' in hydrogen carbonate solutions. Inorg Chern
22:2088
CODATA (1978) CODATA recommended key values for thermodynamics 1977- Committee on Data for
Science and Technology (CODATA), Bulletin 28, International council for Scientific Unions, Paris
Daniele PG, De Stefano C, Prenesti E, Sammartano S (1994) Weak complex formation in aqueous solution. Current Topics in Sol Chern 1:95
De Stefano C, Sammartano S, Mineo P, Rigano C (1997) Computer tools for the speciation of natural
fluids. In: Gianguzza A, Pellizzetti E, Sammartano S (eds) Marine chemistry - An environmental
analytical chemistry approach. Kluwer Academic Publishers, Amsterdam, p 71
Ferri D, Glaser J, Grenthe I (1988) Confirmation of the Structure of (U02h(C03)~- by 17 0 NMR. Inorg
Chim Acta 148:133
Ferri D, Grenthe I, Salvatore F (1981) Dioxouranium(VI) carbonate complexes in neutral and alkaline
solutions. Acta Chern Scand A35:403
Ferri D, Grenthe I, Salvatore F (1983) Studies on metal carbonate equilibria. 7. Reduction of the
tris(carbonato)dioxouranate(VI) ion, U02(C03)~- in carbonate solutions. Inorg Chern 22:3162
Ferri D, Salvatore F, Vasca E, Graser J, Grenthe I (1993) Complex formation in the U(VI)-OH--F- system.
Acta Chern Scand 47:855
Ferri D, Salvatore F, Vasca E, Miranda R (1994) A combined potentiometric-coulometric method for the
analysis of uranium in carbonate media. Ann Chim (Rome) 84:283
Grenthe I, Ferri D (1981), Actinide species in ground water Systems. Near-field phenomena in geologic
repositories for radioactive wastes. NEA, Paris, p 21
Grenthe I, Puigdomenech I (eds) (1997) Modelling in aquatic chemistry. OECD-NEA, Paris
Grenthe I, Ferri D, Riccio G, Salvatore F (1984) Studies on metal carbonate equilibria. 10. Solubility study
of the complex formation in the U(VI)-water-carbon dioxide system at 25°C. J Chern Soc Dalton
Trans 11:2439
Grenthe I, Fuger J, Konings RJM, Lemire RJ, Muller AB, Nguyen-Trung C, Wanner H (1992) Chemical
thermodynamics of uranium. In: Wanner H, Forest I (eds) Elsevier, Amsterdam
Guggenheim EA (1966) Applications of statistical mechanics. Clarendon Press, Oxford
Lemire RJ (2001) Chemical thermodynamics of neptunium and plutonium. Elsevier, Amsterdam
May PM, Murray K (2001) Database of chemical reactions designed to achieve thermodynamic consistency automatically. J Chern Eng Data 46:1035
bsthols E (2000) The NEA thermochemical database project. NEA-TDB, Issy-Ies-Moulineaux
Pankratz LB (1982) Thermodynamic properties of elements and oxides. Bullettin, US Bureau of Mines