Densities and Viscosities of Supersaturated Solutions of Potassium Chloride

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  • 塩化カリウム過飽和水溶液の密度および粘度

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Densities and viscosities of the solutions, respectively, were measured up to about 20°C and 15°C of subcooling.<BR>Prior to the measurements, the solutions were filtered and kept higher than the saturation temperature. These treatments prevented the solutions from nucleation, and made the measurements possible, even in highly supersaturated states.<BR>A set of equations are derived to calculate the density as a function of a given temperature and a saturation temperature of the solution.<BR>Measured viscosities agree, even in the supersaturated region, with the values calculated by Tanaka's experimental equation which have been applied only to the undersaturated state.<BR>It seems from these results that the supersaturated solution does not differ markedly from the undersaturated solution in structure.

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