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Silver‐Silver Chloride Thermocells and Thermal Liquid Junction Potentials for Potassium Chloride Solutions at Elevated Temperatures
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1979
Year
Thermodynamic AnalysisEngineeringSymmetrical ThermocellExperimental ThermodynamicsChemistrySilver‐silver Chloride ThermocellsMolecular ThermodynamicsTransport PropertiesTransport PhenomenaThermophysicsThermodynamicsThermal ConductionBiophysicsThermoanalytical MethodMaterials ScienceDielectric ConstantPhysicsThermal TransportHeat TransferElevated TemperaturesNatural SciencesSurface ScienceApplied PhysicsPotassium Chloride SolutionsThermal EngineeringThermophysical Property
Potentials for the symmetrical thermocell (298.15°K) have been determined for concentrations ranging from 0.0050 to 0.505 mol/kg and for temperatures as high as 548.15°K. Thermodynamic analysis of the cell has permitted evaluation of the initial state thermal liquid junction potentials over the same range of conditions, and it was found that increases in an approximately parabolic manner with . Analysis of the entropy of transport function indicates that the variation of with can be accounted for by the change in the dielectric constant of the medium.