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Investigation of the aqueous lithium and magnesium halide systems

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Abstract

The solubilities of the system LiBr−MgBr2−H2O have been investigated at 25°C and 50°C. It is established that the system is of a simple eutonic type. Pitzer's model is used for calculating the thermodynamic functions needed for plotting the solubility isotherms of the systems LiX−MgX2−H2O (X=Cl, Br) at 25°C. According to calculations made, the Gibbs energy of formation of LiCl·MgCl2·7H2O from simple salts is ΔrG°m=−2.01 kJ-mol−1, while the value ΔfG°m=−2748 kJ-mol−1 corresponds to formation from the elements.

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Authors and Affiliations

  1. Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 1113, Scfia, Bulgaria

    Chr Christov & Chr Balarew

  2. N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 117907, Moscow, Russia

    S. Petrenko & Vl. Valyashko

Authors
  1. Chr Christov
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  2. Chr Balarew
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  3. S. Petrenko
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  4. Vl. Valyashko
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Christov, C., Balarew, C., Petrenko, S. et al. Investigation of the aqueous lithium and magnesium halide systems. J Solution Chem 23, 595–604 (1994). https://doi.org/10.1007/BF00972747

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  • DOI: https://doi.org/10.1007/BF00972747

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