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Title: $Modeling the effect of temperature on thorium and nitric acid extraction and the formation of third phase for modification of the SEPHIS: Thorex computer program
Abstract: Mathematical models have been developed for use with the SEPHIS - Thorex code which correct for the effect of temperature on thorium and nitric acid extraction and which provide a signal to indicate the formation of a second organic phase. Experimental programs have provided data which have been analyzed and indicate that increasing temperature decreases the distribution coefficient of thorium. Also increasing the temperature increases the concentration of thorium in the organic phase at which the third phase is formed. 14 figures, 3 tables.