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Phase Equilibria in the СaMoO4–СaSO4–СaF2–СaCl2 System

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Inorganic Materials Aims and scope

Abstract—

Phase equilibria in the quaternary system СaMoO4–СaSO4–СaF2–СaCl2 have been studied using physicochemical analysis (differential thermal analysis). We have determined the composition, melting point, and enthalpy of fusion of the quaternary peritectic point (melting point, 650°C; composition: 33.8% CaF2, 45% CaCl2, 16.2% CaSO4, and 5% CaMoO4; enthalpy of fusion, 256 ± 5.1 kJ/kg) and quaternary eutectic point (melting point, 586°C; composition: 15.8% CaF2, 73.3% CaCl2, 9.9% CaSO4, and 1% CaMoO4; enthalpy of fusion, 485 ± 9.7 kJ/kg) in the system studied.

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Authors and Affiliations

  1. Institute for Geothermal Research and Renewable Energy Sources, Joint Institute for High Temperatures (Makhachkala Branch), Russian Academy of Sciences, 367030, Makhachkala, Dagestan, Russia

    Ya. A. Dibirov & E. G. Iskanderov

  2. Institute of Geology (separate subdivision), Dagestan Federal Research Center, Russian Academy of Sciences, 367000, Makhachkala, Dagestan, Russia

    S. I. Isakov

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  1. Ya. A. Dibirov
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  2. E. G. Iskanderov
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  3. S. I. Isakov
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Correspondence to Ya. A. Dibirov.

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Translated by O. Tsarev

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Dibirov, Y.A., Iskanderov, E.G. & Isakov, S.I. Phase Equilibria in the СaMoO4–СaSO4–СaF2–СaCl2 System. Inorg Mater 59, 494–499 (2023). https://doi.org/10.1134/S0020168523050023

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