Phase equilibria and volume properties of (LiF-MgF2)eut-LnF3 (Ln = Sm, Gd, Nd) molten systems

Kubíková, Blanka; Mlynáriková, Jarmila; Matselko, Oksana; Mikšíková, Eva; Netriová, Zuzana; Vasková, Zuzana; Boča, Miroslav

doi:10.1016/j.molliq.2022.118694

Cited by 2 publications

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References 24 publications

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“…Due to the almost complete absence of reports on the volume properties of the ternary system, we focused on the systematic investigation of certain systems that could be compared after appropriate accumulation of data. The volume properties of the systems (LiF + MgF 2 ) eut + LnF 3 , , (LiF + CaF 2 ) eut + LnF 3 , , (Ln = La, Nd, Sm and Gd), and (LiF + NaF) eut + LaF 3 have already been reported; thus, it made sense to examine the systems (LiF + NaF) eut + LnF 3 (Ln = Nd, Sm, and Gd) to complete a set of data suitable for drawing comparisons between systems. It must be noted that although these systems are in principle ternary systems, we evaluated them as quasi-binary ones in which the eutectic component is considered as one component.…”

Section: Introductionmentioning

confidence: 99%

Densities and Volume Properties of the Melts of the Systems (LiF + NaF)_eut + SmF₃, (LiF + NaF)_eut + GdF₃, and (LiF + NaF)_eut + NdF₃

2023

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Based on the experimentally measured data of density (determined by the Archimedean method) of the systems (LiF (1) + NaF (2)) eut + x LnF 3 (3) (LnF 3 = SmF 3 , GdF 3 , and NdF 3 ; x = 0.0000−0.2500), molar volumes and partial molar volumes were calculated. Molar volumes of all three systems increase with increasing LnF 3 concentration without any local extremes. The partial molar volumes of LnF 3 were obtained by using two different approaches�simple polynomial regression analysis and multicomponent polynomial regression in the form of the Redlich−Kister equation. Values of the partial molar volumes of LnF 3 in (LiF + NaF) eut at infinite dilution are positive and as high as °= • V 37.

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Section: Introductionmentioning

confidence: 99%

Densities and Volume Properties of the Melts of the Systems (LiF + NaF)_eut + SmF₃, (LiF + NaF)_eut + GdF₃, and (LiF + NaF)_eut + NdF₃

2023

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Ionic conductivity of the molten systems (LiF–CaF2)eut–NdF3, (LiF–NaF)eut–NdF3, (NaF–CaF2)eut–NdF3 and (LiF–MgF2)eut–NdF3

Krishnan,

Korenko,

Šimko

et al. 2023

Ionics

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Experimental measurements were made to assess the electrical conductivity as a function of temperature and NdF3 concentration (0–20 mol %) of molten systems of (LiF–CaF2)eut–NdF3, (LiF–NaF)eut–NdF3, (NaF–CaF2)eut–NdF3 and (LiF–MgF2)eut–NdF3. The experiment used an altering current impedance spectroscopy technique with a platinum–rhodium electrode positioned in a pyrolytic BN tube and graphite a crucible/counter electrode. The conductivity of all systems under study increased with rising temperatures and decreasing NdF3 concentrations. The Arrhenius equation and linear regression have both been used to describe the experimental data. The results of the ionic conductivity for the temperature 850 °C and NdF3 concentrations 0, 10 and 15 mol %, respectively, can be compared as follows: the conductivity of the molten system of (LiF–CaF2)eut–NdF3 was determined to be 6.10, 5.95 and 5.10 S.cm−1, the results for the system (LiF–NaF)eut–NdF3 were 6.16, 5.56 and 4.13 S.cm−1, the results for the system (NaF–CaF2)eut–NdF3 were 3.78, 3.56 and 2.32 S.cm−1, and finally, the results for the system (LiF–MgF2)eut–NdF3 were determined to be for the same temperature as 5.35, 4.79 and 4.14 S.cm−1, respectively.

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Phase equilibria and volume properties of (LiF-MgF2)eut-LnF3 (Ln = Sm, Gd, Nd) molten systems

Cited by 2 publications

References 24 publications

Densities and Volume Properties of the Melts of the Systems (LiF + NaF)_eut + SmF₃, (LiF + NaF)_eut + GdF₃, and (LiF + NaF)_eut + NdF₃

Densities and Volume Properties of the Melts of the Systems (LiF + NaF)_eut + SmF₃, (LiF + NaF)_eut + GdF₃, and (LiF + NaF)_eut + NdF₃

Ionic conductivity of the molten systems (LiF–CaF2)eut–NdF3, (LiF–NaF)eut–NdF3, (NaF–CaF2)eut–NdF3 and (LiF–MgF2)eut–NdF3

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Phase equilibria and volume properties of (LiF-MgF2)eut-LnF3 (Ln = Sm, Gd, Nd) molten systems

Cited by 2 publications

References 24 publications

Densities and Volume Properties of the Melts of the Systems (LiF + NaF)eut + SmF3, (LiF + NaF)eut + GdF3, and (LiF + NaF)eut + NdF3

Densities and Volume Properties of the Melts of the Systems (LiF + NaF)eut + SmF3, (LiF + NaF)eut + GdF3, and (LiF + NaF)eut + NdF3

Ionic conductivity of the molten systems (LiF–CaF2)eut–NdF3, (LiF–NaF)eut–NdF3, (NaF–CaF2)eut–NdF3 and (LiF–MgF2)eut–NdF3

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Densities and Volume Properties of the Melts of the Systems (LiF + NaF)_eut + SmF₃, (LiF + NaF)_eut + GdF₃, and (LiF + NaF)_eut + NdF₃

Densities and Volume Properties of the Melts of the Systems (LiF + NaF)_eut + SmF₃, (LiF + NaF)_eut + GdF₃, and (LiF + NaF)_eut + NdF₃