Thermodynamic description of aqueous species in the system Cu-Ag-Au-S-O-H at temperatures of 0-600°C and pressures of 1-3000 bar

Geochemistry International

Volumn 48, Issue 7, 2010, Pages 714-720

  Akinfiev, N N ^a   Zotov, A V ^a  

^a INSTITUTE OF GEOLOGY OF ORE DEPOSITS   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

COPPER; GEOCHEMISTRY; GOLD; HYDROGEN; OXYGEN; PRESSURE EFFECT; SILVER; SULFUR; TEMPERATURE EFFECT; THERMODYNAMICS;

EID: 78049316372     PISSN: 00167029     EISSN: 15561968     Source Type: Journal    
DOI: 10.1134/S0016702910070074     Document Type: Article

References (43)

1. D. A. Sverjensky, E. L. Shock, and H. C. Helgeson, "Prediction of Thermodynamic Properties of Aqueous Metal Complexes to 1000°C and 5 Kb," Geochim. Cosmochim. Acta 61, 1359-1412 (1997).
2. E. L. Shock, D. C. Sassani, M. Willis, and D. A. Sverjensky, "Inorganic Species in Geologic Fluids: Correlations among Standard Molal Thermodynamic Properties of Aqueous Ions and Hydroxide Complexes," Geochim. Cosmochim. Acta 61, 907-950 (1997).
3. N. N. Akinfiev and A. V. Zotov, "Thermodynamic Description of Chloride, Hydrosulfide, and Hydroxo Complexes of Ag(I), Cu(I), and Au(I) at Temperatures of 25-500°C and Pressures of 1-2000 Bar," Geokhimiya, No. 10, 1-17 (2001) [Geochem. Int. 39, 990-1006 (2001)].
4. B. W. Mountain and T. M. Seward, "Hydrosulfide/Sulfide Complexes of Copper(I): Experimental Confirmation of the Stoichiometry and Stability of Cu(HS to Elevated Temperatures," Geochim. Cosmochim. Acta 67, 3005-3014 (2003).
5. B. R. Tagirov, N. N. Baranova, A. V. Zotov, et al., "Experimental Determination of the Stabilities of Au2S(cr) at 25°C and Au(HS at 25-250°C," Geochim. Cosmochim. Acta 70, 3689-3701 (2006).
6. A. Stefa-nsson and T. M. Seward, "Experimental Determination of the Stability and Stoichiometry of Sulphide Complexes of Silver(I) in Hydrothermal Solutions to 400°C," Geochim. Cosmochim. Acta 67, 1395-1413 (2003).
7. A. Stefánsson and T. M. Seward, "Gold(I) Complexing in Aqueous Sulphide Solutions to 500°C at 500 Bar," Geochim. Cosmochim. Acta 68, 4121-4143 (2004).
8. B. R. Tagirov, S. Salvi, J. Schott, and N. N. Baranova, "Experimental Study of Gold-Hydrosulphide Complexing in Aqueous Solutions at 350-500°C, 500 and 1000 Bars Using Mineral Buffers," Geochim. Cosmochim. Acta 69, 2119-2132 (2005).
9. H. C. Helgeson, D. H. Kirkham, and G. C. Flowers, "Theoretical Prediction of the Thermodynamic Behavior of Aqueous Electrolytes at High Pressures and Temperatures: IV. Calculation of Activity Coefficients, Osmotic Coefficients, and Apparent Molal and Standard and Relative Partial Molal Properties to 600°C and 5 Kb," Am. J. Sci. 291, 1249-1516 (1981).
10. J. C. Tanger IV and H. C. Helgeson, "Calculation of the Thermodynamic and Transport Properties of Aqueous Species at High Pressures and Temperatures: Revised Equations of State for Standard Partial Molal Properties of Ions and Electrolytes," Amer. J. Sci. 288, 19-98 (1988).
11. E. L. Shock, H. C. Helgeson, and D. A. Sverjensky, "Calculation of the Thermodynamic Properties of Aqueous Species at High Pressures and Temperatures: Standard Partial Molal Properties of Inorganic Neutral Species," Geochim. Cosmochim. Acta 53, 2157-2183 (1989).
12. E. L. Shock and H. C. Helgeson, "Calculation of the Thermodynamic and Transport Properties of Aqueous Species at High Pressures and Temperatures: Correlation Algorithms for Ionic Species and Equation of State Predictions to 5 Kb and 1000°C," Geochim. Cosmochim. Acta 52, 2009-2036 (1988).
13. K. J. Jackson and H. C. Helgeson, "Chemical and Thermodynamic Constraints on the Hydrothermal Transport and Deposition of Tin: I. Calculation of the Solubility of Cassiterite at High Pressures and Temperatures," Geochim. Cosmochim. Acta 49, 1-22 (1985).
14. R. E. Mesmer, W. L. Marshall, D. A. Palmer, et al., "Thermodynamic of Aqueous Association and Ionization Reactions at High Temperatures and Pressures," J. Solution Chem. 17, 699-718 (1988).
15. J. R. Ruaya, "Estimation of Instability Constants of Metal Chloride Complexes in Hydrothermal Solutions up to 300°C," Geochim. Cosmochim. Acta 52, 1983-1996 (1988).
16. J. W. Johnson, E. H. Oelkers, and H. C. Helgeson, "SUPCRT92: A Software Package for Calculating the Standard Molal Thermodynamic Properties of Minerals, Gases, Aqueous Species, and Reactions from 1 to 5000 Bars and 0 to 1000°C," Comp. Geosci. 18, 899-947 (1992).
17. B. Tagirov, A. V. Zotov, and N. N. Akinfiev, "Experimental Study of Dissociation of HCl from 350 to 500°C and from 500 to 2500 Bars: Thermodynamic Properties of HCl(Aq)," Geochim. Cosmochim. Acta 61, 4267-4280 (1997).
18. N. N. Akinfiev and L. W. Diamond, "Thermodynamic Description of Aqueous Nonelectrolytes at Infinite Dilution over a Wide Range of State Parameters," Geochim. Cosmochim. Acta 67, 613-627 (2003).
19. A. V. Plyasunov and E. L. Shock, "Correlation Strategy for Determining the Parameters of the Revised Helgeson-Kirkham-Flowers Model for Aqueous Nonelectrolytes," Geochim. Cosmochim. Acta 65, 3879-3900 (2001).
20. 2S Ionization," Can. J. Chem. 60, 1872-1880 (1982).
21. 2S, and NH3 at Temperatures from 298. 15 to 705 K and Pressures to 35 MPa," J. Chem. Thermodyn. 28, 125-142 (1996).
22. 2S," Geochim. Cosmochim. Acta 53, 2143-2155 (1989).
23. 2S Solubility in Water at Elevated Temperatures," Geokhimiya, No. 6, 758-765 (1964).
24. E. C. W. Clarke and D. N. Glew, "Aqueous Nonelectrolyte Solutions. Part VIII. Deuterium and Hydrogen Sulfides Solubilities in Deuterium Oxide and Water," Can. J. Chem. 49, 691-698 (1971).
25. S. E. Drummond, Boiling and Mixing of Hydrothermal Fluids: Chemical Effects of Mineral Precipitation, Ph. D. Thesis. (Pennsylvania State Univ. 1981).
26. O. M. Suleimenov and R. E. Krupp, "Solubility of Hydrogen Sulfide in Pure Water and in NaCl Solutions, from 20 to 320°C and at Saturation Pressures," Geochim. Cosmochim. Acta 58, 2433-2444 (1994).
27. Yu. V. Shvarov, UT-HEL: A Program for the Calculation of HKF Parameters of Aqueous Species (Version 2. 0) (Geol. Fac. MGU, Moscow, 1995) [in Russian] (unpublished).
28. B. W. Mountain and T. M. Seward, "The Hydrosulphide/Sulphide Complexes of Copper (I): Experimental Determination of Stoichiometry and Stability at 22°C and Reassessment of High Temperature Data," Geochim. Cosmochim. Acta 63, 11-30 (1999).
29. D. M. Shenberger and H. L. Barnes, "Solubility of Gold in Aqueous Sulfide Solutions from 150 to 350°C," Geochim. Cosmochim. Acta 53, 269-278 (1989).
30. M. E. Berndt, T. Buttram, D. Earley, and W. E. Seyfried, Jr., "The Stability of Gold Polysulfide Complexes in Aqueous Solutions: 100 to 150°C and 100 Bars," Geochim. Cosmochim. Acta 58, 587-594 (1994).
31. N. N. Baranova and A. V. Zotov, "Stability of Gold Sulphide Species (AuH and Au(HS) at 300, 350°C and 500 Bar: Experimental Study," Mineral. Mag. 62A, 116-117 (1998).
32. F. Gibert, M.-L. Pascal, and M. Pichavant, "Gold Solubility in Hydrothermal Solutions: Experimental Study of Stability of Hydrosulphide Complex of Gold (AuHS°) at 350 to 450°C and 500 Bars," Geochim. Cosmochim. Acta 62, 2931-2947 (1998).
33. 2S-Bearing Aqueous Solutions at 250-350°C," Geochim. Cosmochim. Acta 55, 2111-2126 (1991).
34. D. Crerar and H. Barnes, "Ore Solution Chemistry V. Solubilities of Chalcopyrite and Chalcocite in Hydrothermal Solutions at 200°C to 350°C," Econ. Geol. 71, 772-794 (1976).
35. A. Sugaki, S. D. Scott, K. Hayashi, and A. Kitakaze, "Ag2S Solubility in Sulfide Solutions Up to 250°C," Geochem. J. 21, 291-305 (1987).
36. G. Schwarzenbach, O. Gübeli, and H. Züst, "Thiokomplexe des Silbers und die Loeslichkeit von Silbersulfid," Chimia 12, 84-86 (1958).
37. G. Schwarzenbach and G. Widmer, "Die Löeslichkeit von Metalsulfiden. II. Silbersulfid," Helv. Chim. Acta 49, 111-123 (1966).
38. 2S," Dokl. Akad. Nauk SSSR 124(2), 410-413 (1959).
39. B. N. Melent'ev, V. V. Ivanenko, and L. A. Pamfilova, Solubility of Some Ore-Forming Sulfides under Hydrothermal Conditions (Nauka, Moscow, 1968) [in Russian].
40. N. N. Akinfiev, "Algorithm of Calculations of Heterogeneous Equilibria for Electronic Microcomputers," Geokhimiya, No. 6, 882-890 (1986).
41. N. N. Akinfiev, "Model for Calculation ab initio Ionic Association in Supercritical Aqueous Fluids: 1: 1 Electrolytes," Geokhimiya, No. 3, 426-440 (1995).
42. J. K. Hovey, Thermodynamics of Aqueous Solutions, PhD. Thesis. (University of Alberta, Edmonton, 1988).
43. L. G. Benning and T. M. Seward, "Hydrosulphide Complexing of Au(I) in Hydrothermal Solutions from 150-400°C and 500-1500 Bar," Geochim. Cosmochim. Acta 60, 1849-1871 (1996).