The constitution of ionic liquids. Part 1.—The electric conductivity and viscosity of the molten salt systems, AgCl + AgBr, PbCl2+ PbBr2, AgCl + PbCl2, AgCl + KCl, AgBr + KBr

1955 ◽  
Vol 51 (0) ◽  
pp. 259-267 ◽  
Author(s):  
B. S. Harrap ◽  
E. Heymann
Keyword(s):  
Ionic Liquids ◽  
Molten Salt ◽  
Electric Conductivity ◽  
Salt Systems

scholarly journals The Electric Conductivity of the Molten Salt Systems HgI2-BiI3 and BiI3-CdI2

1977 ◽  
Vol 32 (9) ◽  
pp. 1003-1006 ◽  
Author(s):  
S. V. Mentus ◽  
M. V. Šušić
Keyword(s):  
Molten Salt ◽  
Electric Conductivity ◽  
Entire Range ◽  
Negative Temperature Coefficient ◽  
Specific Conductivity ◽  
Negative Temperature ◽  
Specific Electric Conductivity ◽  
Temperature Range ◽  
Salt Systems ◽  
Rich Mixtures

AbstractThe specific electric conductivity of the molten solt systems HgI2-BiI3 and BiI3-CdI2 was studied in the temperature range 660 -840 K. BiI3 exhibits a negative temperature coefficient of the conductivity within part of this temperature range and HgI2 within the entire range. The specific conductivity of the HgI2-BiI3 system shows negative deviations from additivity for the HgI2-rich mixtures and positive ones for the BiI3-rich mixtures. In the BiI3-CdI2 system positive deviations are encountered throughout the whole composition and temperature range investigated. An in­ crease in temperature improves the additivity in both systems.

scholarly journals Developing Practical Models of Complex Salts for Molten Salt Reactors

Thermo ◽  
2021 ◽  
Vol 1 (2) ◽  
pp. 168-178
Author(s):  
Theodore M. Besmann ◽  
Juliano Schorne-Pinto
Keyword(s):  
Molten Salt ◽  
Nearest Neighbor ◽  
System Modeling ◽  
Model Parameters ◽  
Calphad Approach ◽  
Coordination Numbers ◽  
Regression Methods ◽  
Complex Salts ◽  
Salt Systems ◽  
Fitting Model

Molten salt reactors (MSRs) utilize salts as coolant or as the fuel and coolant together with fissile isotopes dissolved in the salt. It is necessary to therefore understand the behavior of the salts to effectively design, operate, and regulate such reactors, and thus there is a need for thermodynamic models for the salt systems. Molten salts, however, are difficult to represent as they exhibit short-range order that is dependent on both composition and temperature. A widely useful approach is the modified quasichemical model in the quadruplet approximation that provides for consideration of first- and second-nearest-neighbor coordination and interactions. Its use in the CALPHAD approach to system modeling requires fitting parameters using standard thermodynamic data such as phase equilibria, heat capacity, and others. A shortcoming of the model is its inability to directly vary coordination numbers with composition or temperature. Another issue is the difficulty in fitting model parameters using regression methods without already having very good initial values. The proposed paper will discuss these issues and note some practical methods for the effective generation of useful models.

Thermodynamic properties of the binary molten salt systems, PbBr2-KBr, PbBr2-RbBr and PbBr2-CsBr, by measurement of the electromotive forces of galvanic cells

1981 ◽  
Vol 34 (3) ◽  
pp. 479 ◽  
Author(s):  
H Bloom ◽  
MS White
Keyword(s):  
Thermodynamic Properties ◽  
Molten Salt ◽  
Activity Coefficients ◽  
Molten Salts ◽  
Free Energies ◽  
Complex Ions ◽  
Galvanic Cells ◽  
Salt Systems

The electromotive forces of galvanic cells for the formation of PbBr2 in the molten binary salt systems, PbBr2-KBr, PbBr2,-RbBr and PbBr2-CsBr, have been measured. Activities, activity coefficients and partial molar free energies have been calculated for each component of the three systems. Integral free energies of mixing have also been calculated. Various models of mixing of molten salts have been applied to the results. The systems contain complex ions, probably mixtures of PbBr42-, PbBr64- with some PbBr3-.

Accurate Procedure for Determining the Calibration Curve of High-Temperature Molten Salt Systems via Raman Spectroscopy

1993 ◽  
Vol 47 (8) ◽  
pp. 1286-1288 ◽  
Author(s):  
Sheng Dai ◽  
G. Mamantov ◽  
J. E. Coffield ◽  
G. M. Begun ◽  
J. P. Young
Keyword(s):  
Raman Spectroscopy ◽  
High Temperature ◽  
Molten Salt ◽  
Calibration Curve ◽  
Accurate Procedure ◽  
Salt Systems
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