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Sulphur Activities in Liquid Copper Sulphides

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Abstract

An equilibrium study was made of the reaction: Cu2S (liquid) + H2 (gas) → Cu (dissolved) + H2S (gas) at temperatures of 1150°, 1250°, and 1350°C for liquid copper sulphides ranging in composition from saturation with Cu to about 21.5 pet S. From the experimental data, activities of Cu, S, and Cu2S in the melts were calculated. Also, the results furnish a new determination of the location of the curve showing the compositions of Cu-saturated sulphide melts in the Cu-S constitution diagram.

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Author information

Authors and Affiliations

  1. Massachusetts Institute of Technology, Cambridge, USA

    R. Schuhmann Jr. (Associate Professor of Process Metallurgy)

  2. American Smelting and Refining Co., Barber, N.J., USA

    O. W. Moles (Student Associate AIME)

Authors
  1. R. Schuhmann Jr.
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  2. O. W. Moles
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Additional information

Discussion of this paper, TP 3030D, may be sent to AIME by May 1, 1951. Manuscript, Nov. 9, 1950. St. Louis Meeting, February 1951.

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Schuhmann, R., Moles, O.W. Sulphur Activities in Liquid Copper Sulphides. JOM 3, 235–241 (1951). https://doi.org/10.1007/BF03397299

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  • DOI: https://doi.org/10.1007/BF03397299

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