2014•Journal of Functional BiomaterialsOpen access

The study of surface tension and viscosity on mixed molten salt of KNO_3-NaNO_2

Guo Q

Abstract

The surface tension and viscosity of mixed molten salt KNO3-NaNO2were studied in the temperature range from190-250 ℃.The method of curve fitting was used for analyzing the results.The study shows that the surface tension of mixed molten salt KNO3-NaNO2was linearly correlative to the temperature.The viscosity was non-linearly correlative to the temperature.As the temperature rises,the surface tension and viscosity were both decreased.As the mass ratio of KNO3 rises,the surface tension was decreased while the viscosity was increased.

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Key concepts: Surface tension, Viscosity, Materials science, Molten salt, Temperature dependence of liquid viscosity, Thermodynamics, Atmospheric temperature range, Salt (chemistry)