Springer Online Journal Archives 1860-2000
Chemistry and Pharmacology
Energy, Environment Protection, Nuclear Power Engineering
Abstract The gas chromatographic technique of elution by characteristic point (ECP) has been used to determine partition data for HN3 at finite concentrations with tributyl phosphate (TBP) in hydrocarbon (hexadecane) solution in the presence of nitric acid and uranyl nitrate. The data are used to derive predictive equations for calculating gas-liquid and liquid-liquid partition coefficients for varying temperature and varying concentrations of TBP, HNO3, UO2(NO3)2, and HN3 in hydrocarbon solvents simulating nuclear fuel reprocessing flow sheets. The chromatographically derived partition data presented, being based on more precise measurements than were previously possible using conventional methods, allowed demonstration and quantification of the logarithmic temperature effect expected, but previously unobservable.
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