Determination of the thermodynamic properties of compounds in the Ag-Au-Se and Ag-Au-Te systems by the EMF method

Geology of Ore Deposits

Volumn 51, Issue 3, 2009, Pages 247-258

  Echmaeva, E A ^a   Osadchii, E G ^a  

^a INSTITUTE OF EXPERIMENTAL MINERALOGY   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTROMOTIVE FORCE; GOLD COMPOUNDS; SELENIUM COMPOUNDS; SYNTHESIS (CHEMICAL); TEMPERATURE; X RAY DIFFRACTION ANALYSIS;

ELECTRON MICROPROBES; HIGH TEMPERATURE; LOW TEMPERATURES; RELEVANT REACTIONS; SOLID PHASE SYNTHESIS; STANDARD THERMODYNAMIC FUNCTIONS; TEMPERATURE DEPENDENT; TERNARY COMPOUNDS;

SILVER COMPOUNDS;

GIBBS FREE ENERGY; GOLD; ORE DEPOSIT; QUARTZ; SELENIUM; SILVER; TELLURIUM; TEMPERATURE EFFECT; THERMODYNAMIC PROPERTY; X-RAY DIFFRACTION;

EID: 67651083266     PISSN: 10757015     EISSN: 15556476     Source Type: Journal    
DOI: 10.1134/S1075701509030076     Document Type: Article

References (28)

1. M. Afifi, W.C. Kelly, and E. J. Essene, "Phase Relations among Tellurides, Sulphides, and Oxides: I. Thermochemical Data and Calculated Equilibria," Econ. Geol. 83, 377-394 (1988).
2. I. Barin, Thermochemical Data of Pure Substances, (VCH, 1995), Vol. 1.
3. L. J. Cabri, "Phase Relations in the Ag-Au-Te System and Their Mineralogical Significance," Econ. Geol. 60 (8), 1569-1606 (1965).
4. G. Donney, F. C. Kracek, and W. R. Rowland, "The Chemical Formula of Empressite," Am. Mineral. 41, 722-723 (1956).
5. F. Gronvold, S. Stolen, and Yu. Semenov, "Heat Capacity and Thermodynamic Properties of Silver (I) Selenide, oP-Ag 2 Se from 300 to 406 K and Cl-Ag 2 Se from 406 to 900 K: Transitional Behavior and Formation Properties," Thermochim. Acta 399, 213-224 (2003).
6. R. M. Honea, "Empressite and Stuetzite Redefined," Am. Mineral. 49, 325-338 (1964).
7. I. Karakaya and W. T. Thompson, "The Ag-Se (Silver-Selenium) System," Bull. Alloy Phase Diagrams 11, 266-271 (1990).
8. I. Karakaya and W. T. Thompson, "The Ag-Te (Silver-Tellurium) System," J. Phase Equilibria 12 (1), 56-63 (1991).
9. K. Kiukkola and C. Wagner, "Measurements on Galvanic Cells Involving Solid Electrolytes," J. Electrochem. Soc. 104 (1-2), 379-386 (1957).
10. N. P. Lyakishev, State Diagrams of Binary Metallic Systems (Mashinostroenie, Moscow, 1996), Vol. 1 [in Russian].
11. N. L. Markham, "Synthetic and Natural Phases in the System Au-Ag-Te," Econ. Geol. 55, 1460-1477 (1960).
12. I. Ya. Nekrasov, S. E. Lunin, and L. N. Egorova, "X-Ray Investigation of Compounds in the Ag-Au-S-Se System," Dokl. Akad. Nauk SSSR 311 (4), 943-946 (1990).
13. G. V. Nesterenko, A. I. Kuznetsova, N. A. Pal'chik, and Yu. G. Lavrent'ev, "Petrovskaite, AuAg(S,Se): New Selenium-Containing Sulfide of Gold and Silver," zap. Vses. Mineral. O-va 112 (5), 602-607 (1980).
14. A. Olin, B. Nolang, L-O. Ohman, et al., "Chemical Thermodynamics of Selenium," in Nuclear Energy Agency Data Bank, Organization for Economic Co-Operation and Development (Elsevier, Amsterdam, 2005), Vol. 7.
15. E. G. Osadchii and D. A. Chareev, "Thermodynamic Studies of Pyrrhotite-Pyrite Equilibria in the Ag-Fe-S System by Solid-State Galvanic Cell Technique at 518 to 723 K and Total Pressure of 1 Atm," Geochim. Cosmochim. Acta 70, 5617-5633 (2006).
16. E. G. Osadchii and O. A. Rappo, "Determination of Standard Thermodynamic Properties of Sulfides in the Ag-Fe-S System by Means of a Solid-State Galvanic Cell," Am. Mineral., 89, 1405-1410 (2004).
17. G. Petzow and G. Effenberg, "Ternary Alloys," in VCH (Weinheim, 1988), Vol. 1, pp. 250-269 (1988).
18. A. Rabenau and H. Schulz, "The Crystal Structures of α-AuSe and β-AuSe," J. Less-Common Met. 48, 89-101 (1976).
19. A. Rabenau, H. Rau, and G. Rosenstein, "Phase Relations in the Gold-Selenium System," J. Less-Common Met. 24, 291-299 (1971).
20. P. Rahlfs, "Ueber die Kubischen Hochtemperaturmodifikationen der Sulfide, Selenide und Telluride des Silbers und des Einwertigen Kupfers," Z. Phys. Chem. 31, 157-194 (1935).
21. R. A. Robie and B. S. Hemingway, Thermodynamic Properties of Minerals and Related Substances at 298.15 K and 1 Bar (10 5 Pascals) Pressure and at High Temperatures (US Geol. Surv. Bull., 1995).
22. W. Sitte and A. Brunner, "Investigation of the Binary System Ag-Te in the Temperature Range between 25 and 200°C Using Solid Silver Electrolytes," Solid State Ionics 28-30, 1324-1328 (1988).
23. G. Tunnel, The Crystal Structures of the Gold Silver Tellurides (Office Naval Res. Project NR-081-105, 1954).
24. 2 Se," Ber. Bunsen-Gesellschaft Phys. Chem. 85, 7-4 (1981).
25. J. Wang, X. Lu, B. Sundman, and X. Su, "Thermodynamic Reassessment of the Au-Te System," J. Alloys Compounds 407, 106-111 (2006).
26. x Se (0≤ × ≤0.5)," J. Less-Common Met. 48, 269-283 (1976).
27. N. N. Zhdanov, E. G. Osadchii, and A. V. Zotov, "Universal Measuring System for Electrochemical Measurements in Hydrothermal and Condensed Medias," in Proceedings of XV Russian Conference on Experimental Mineralogy (Geoprint, Syktyvkar, 2005), pp. 166-168.
28. www.webmineral.com-Internet Mineralogy Database, 2000-2005 by David Barthelmy.