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Determination of standard gibbs energies of formation of CaC2, SrC2, and BaC2

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Abstract

The standard Gibbs energies of formation of CaC2, SrC2, and BaC2 were determined by an equilibration technique at temperatures ranging from 1223 to 1673 K, yielding the following results: Ca (l)+ 2C (s)= CaC2\GDG\dg = -90,100(\+-500)- 11.0(\+-1.1)T [J/mol]Sr (l) + 2C (s) = SrC2 (s)\GDG\dg = -104,000(\+-1000) - 8.04(\+-2.76)T [J/mol]BA (l) + 2C(s) = BaC2 (s)\GDG\dg = -115,000(\+-1000) + 3.53 (\+-1.69)T [J/mol]

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Authors and Affiliations

  1. Department of Metallurgy, The University of Tokyo, 113, Bunkyo-ku, Tokyo, Japan

    Hideki Ono (Graduate Student), Akio Kobayashi (Graduate Student), Fumitaka Tsukihashi (Associate Professor) & Nobuo Sano (Professor)

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  1. Hideki Ono
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  2. Akio Kobayashi
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  3. Fumitaka Tsukihashi
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  4. Nobuo Sano
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Ono, H., Kobayashi, A., Tsukihashi, F. et al. Determination of standard gibbs energies of formation of CaC2, SrC2, and BaC2 . Metall Trans B 23, 313–316 (1992). https://doi.org/10.1007/BF02656286

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