An X-ray absorption (EXAFS) spectroscopic study of aquated Ag+ in hydrothermal solutions to 350°C

Geochimica et Cosmochimica Acta

Volumn 60, Issue 13, 1996, Pages 2273-2282

  Seward, T M ^a   Henderson, C M B ^b   Charnock, J M ^b,c   Dobson, B R ^c  

^a ETH ZURICH   (Switzerland)

^b UNIVERSITY OF MANCHESTER   (United Kingdom)

^c DARESBURY LABORATORY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BOND LENGTH; COORDINATION; HYDROTHERMAL SOLUTION; SILVER; X-RAY ABSORPTION SPECTROSCOPY;

EID: 0030467191     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/0016-7037(96)00098-1     Document Type: Article

References (43)

1. Abraham M. H. and Matteoli E. (1983) Calculation of the thermodynamics of solvation of gaseous univalent ions in water from 273 to 573 K. J. Chem. Soc. Farad. Trans. I 79, 2781-2800.
2. 3+. J. Phys. Chem. 95, 7650-7655.
3. Binsted N., Campbell J. W., Gurman S. J., and Stephenson P. C. (1991) SERC Daresbury Laboratory EXCURV92 PROGRAM.
4. Brown G. E., Jr., Calas G., Waychunas G. A., and Petiau J. (1988) X-ray absorption spectroscopy and its applications in mineralogy and geochemistry. Rev. Mineral. 18, 431-512.
5. Brown G. E., Jr., Farges F., and Calas G. (1995) X-ray scattering and X-ray spectroscopy studies of melts. Rev. Mineral. 32, 317-410.
6. Burgess J. (1978) Metal Ions in Solution. Ellis Horwood.
7. Chang T. G. and Irish D. E. (1974) Ion-pair formation in aqueous solutions of silver nitrate: A Raman and infrared spectral study. J. Sol. Chem. 3, 175-189.
8. Dobson B. R., Hasnain S. S., Neu M., Ramsdale C. A., and Murphy L. (1993) Quick fluorescence XAFS: A technique for recording fluorescence X-ray absorption spectra during chemical/biochemical reactions. Proc. XAFS VII.
9. Driesner T. and Seward T. M. (1995) Structural properties of aqueous NaCl solutions at elevated temperatures and pressures - a molecular dynamics study. Terra Nova (Abstr. Suppl.), 7, 70.
10. Driesner T. and Seward T. M. (1996) Fractionation of oxygen and hydrogen stable isotopes between aqueous salt solutions and water vapour at elevated temperatures. J. Conf. Abstr. V. M. Goldschmidt Conf.
11. Driesner T., Seward T. M., and Ha T. K. (1995) Experimental determination and model calculations of salt effects on O and H stable isotope fractionation in aqueous systems at elevated temperatures and pressures. V. M. Goldschmidt Conf. (Prog. Abstr.), 42.
12. Driesner T., Tironi I. G., and Seward T. M. (1996) Molecular dynamics simulations of an aqueous NaCl solution from 300 to 700 K: Ab initio calculations of hydration complexes and their geochemical implications. J. Conf. Abstr. V. M. Goldschmidt Conf.
13. Eisenberger P. and Brown G. S. (1979) The study of disordered systems by EXAFS: Limitations. Solid State Commun. 29, 481-484.
14. Gorbaty Yu. E. and Kalinichev A. G. (1995) Hydrogen bonding in supercritical water. 1. Experimental Results. J. Phys. Chem. 99, 5336-5340.
15. Gurman S. J., Binsted N., and Ross I. (1984) A rapid, exact curvedwave theory for EXAFS calculations. J. Phys. C 17, 143-151.
16. Hansen J. P. and McDonald I. R. (1986) Theory of Simple Liquids. Acad. Press.
17. Hertz H. G. (1973) Nuclear magnetic relaxation spectroscopy. In Water - a Comprehensive Treatise (ed. F. Franks), Vol. 3, pp. 301-399. Plenum Press.
18. Horita J., Cole D. R., and Wesolowski D. J. (1995) The activity-composition relationship of oxygen and hydrogen isotopes in aqueous salt solutions. III. Vapor-liquid equilibration of NaCl solutions to 350°C. Geochim. Cosmochim. Acta 59, 1139-1151.
19. Jackson W. E., Brown G. E., Jr., Waychunas G. A., Mustre de Leon J., Conradson S. D., and Combes J. M. (1991) In-situ high-temperature X-ray absorption study of ferrous iron in othosilicate crystals and liquids. In X -ray Absorption Fine Structure (ed. S. S. Hasnain), pp. 298-301. Ellis-Horwood.
20. Joyner R. W., Martin K. J., and Muhan P. (1987) Some applications of statistical tests in analysis of EXAFS and SEXAFS data. J. Phys. C 20, 4005-4012.
21. Kevan L. (1978) On the solvation shell geometry for silver atom solvation and desolvation in ice matrices. J. Chem. Phys. 69, 3444-3446.
22. Kevan L., Hase H., and Kawabata K. (1977) Silver atom solvation and desolvation in ice matrices: Electron spin resonance studies of radiation-produced silver atoms formed at 4 K. J. Chem. Phys. 66, 3834-3835.
23. Lee P. A. and Pendry J. B. (1975) Theory of extended X-ray absorption fine structure. Phys. Rev. B 11, 2795-2811.
24. Magini M., Lichen G., Paschina G., Piccaluga G., and Pinna G. (1988) X-ray Diffraction of Ions in Aqueous Solutions: Hydration and Complex Formation. CRC Press.
25. Mesmer R. E., Palmer D. A., and Simonson J. M. (1991) Ion association at high temperatures and pressures. In Activity Coefficients in Electrolyte Solutions (ed. K. S. Pitzer), 2nd ed., pp. 491-529. CRC Press.
26. Narayana P. A., Becker D., and Kevan L. (1978) Electron spin echo modulation studies of silver atom solvation and desolvation in ice matrices. J. Chem. Phys. 68, 652-654.
27. Neilson G. W. (1988) Neutron diffraction methods applied to aqueous solutions. Internat. J. Thermophys. 9, 663-676.
28. Neilson G. W. and Enderby J. E. (1989) The coordination of metal aquaions. Adv. Inorg. Chem. 34, 195-218.
29. Rowlinson J. S. (1964) An equation of state of gases at high temperatures and densities. Mol. Phys. 7, 349-361.
30. Ruaya J. R. and Seward T. M. (1986) The stability of chlorozinc(II) complexes in hydrothermal solutions up to 350°C. Geochim. Cosmochim. Acta 50, 651-661.
31. Salmon P. S. and Lond P. B. (1992) The ion to water-proton binding time in aqueous ionic solution. Physica B 182, 421-430.
32. Seward T. M. (1976) The stability of chloride complexes of silver in hydrothermal solutions up to 350°C. Geochim. Cosmochim. Acta 40, 1329-1341.
33. Seward T. M. (1981) Metal complex formation in aqueous solutions at elevated temperatures and pressures. In Chemistry and Geochemistry of Solutions at High Temperatures and Pressures (ed. F. Wickman and D. Rickard); Phys. Chem. Earth 13-14, 113-129.
34. Seward T. M. (1984) The formation of lead(II) chloride complexes to 300°C: A spectrophotometric study. Geochim. Cosmochim. Acta 48, 121-134.
35. 2 to 250°C. In Proceedings of the 4th International Symposium on Hydrothermal Reactions (ed. M. Cuney and M. Cathelineau), pp. 231-233. Inst. Lorrain.
36. Seward T. M., Henderson C. M. B., Charnock J. M., and Dobson B. R. (1995) The hydration of metal cations in hydrothermal solutions: recent EXAFS results. Water-Rock Interaction 8, 43-46.
37. Seward T. M., Henderson C. M. B., and Charnock J. M. (1996) Work in progress.
38. Shock E. L., Oelkers E. H., Johnson J. W., Sverjensky D. A., and Helgeson H. C. (1992) Calculation of the thermodynamic properties of aqueous species at high pressures and temperatures: Effective electrostatic radii, dissociation constants and standard partial molal properties to 1000°C and 5 kbar. J. Chem. Soc. Farad. Trans. 88, 803-826.
39. Skipper N. T. and Neilson G. W. (1989) X-ray and neutron diffraction studies on concentrated aqueous solutions of sodium nitrate and silver nitrate. J. Phys. Condens. Matter 1, 4141-4154.
40. Tanger IV J. C. and Helgeson H. C. (1988) Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: revised equations of state for the standard partial molal properties of ions and electrolytes. Amer. J. Sci. 288, 19-98.
41. 4. J. Phys. Chem. 87, 4690-4693.
42. Yamaguchi T., Lindquist O., Boyce J. B., and Claeson T. (1984a) Determination of the hydration structure of silver ions in aqueous silver perchlorate and nitrate solutions from EXAFS using synchrotron radiation. Acta Chem. Scand. A 38, 423-428.
43. Yamaguchi T., Johannsson G., Homberg B., Maeda M., and Ohtaki H. (1984b) The coordination and complex formation of silver(I) in aqueous perchlorate, nitrate, and iodide solutions. Acta Chem. Scand. A 38, 437-451.