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Thermodynamic properties of molten sulfides: Part II. The system Co-S

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Abstract

The equilibrium partial pressure of sulfur vapor over Co-S melts has been determined by equilibrating the melts with H2S-H2 gas mixtures at temperatures ranging from 1378 to 1617 °C and for melt compositions ranging from approximately cobalt saturation up to about 31 wt pct sulfur. As in a previous publication from these laboratories, an optical interferometer was employed to monitor the system’s approach to equilibrium and to analyze the composition of the equilibrium gas phase. A correlation based on the experimental data and that of other investigators is described. The correlation is based on the assumption of species in solution, and reproduces well all thermodynamic properties of Co-S melts.

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Authors and Affiliations

  1. Research Engineer, Inland Steel Company, Resaerch Laboratories, East Chicago, IN

    Donald R. Fosnacht

  2. Senior Research Engineer, Asarco Inc., Central Research Laboratories, South Plainfield, NJ

    Rajendr P. Goel

  3. Henry Krumb School of Mines, Columbi University, NY

    Jose M. Larrain (Associate Professor)

Authors
  1. Donald R. Fosnacht
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  2. Rajendr P. Goel
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  3. Jose M. Larrain
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Additional information

Formerly Graduate Student, Henry Krumb School of Mines, Columbi University. Formerly Graduate Student, Henry Krumb School of Mines, Columbi University.

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Fosnacht, D.R., Goel, R.P. & Larrain, J.M. Thermodynamic properties of molten sulfides: Part II. The system Co-S. Metall Trans B 11, 69–71 (1980). https://doi.org/10.1007/BF02657173

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  • DOI: https://doi.org/10.1007/BF02657173

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