Abstract
Statistical studies were made to correlate the hydrodynamic behavior of two-phase solvent system in counter-current chromatography (CCC) to their physical properties including interfacial tension, viscosity, and the difference in density of the two phases. Settling time measured under unit gravity provided a reliable numerical index for the hydrodynamic behavior of the solvent systems in a centrifugal force field. Viscosity and settling time were strongly correlated (correlation coefficient, r = +0.88) while interfacial tension ( r = −0.65) and phasedensity difference ( r = −0.45) showed moderate and weak correlation, respectively. Studies of the effect of temperature on settling time as well as a preliminary apparatus operated at higher temperature show that raising the temperature will improve the performance of high-speed CCC.
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