Abstract
Theoretical equations were developed to describe the retention dependence of system peaks generated in partition chromatography with a mobile phase containing electrolytes on the composition of the mobile phase electrolytes, on the basis of the model regarding the partitioning of ionic solutes and Knox and Kaliszan's general equations for the retention of system peaks. The predictions from the equations agreed well with experimental results obtained on hydrophilic polymer packings for both water and acetone-water mobile phase systems containing two or three background electrolytes. This means that the retention of system peaks can be predicted even for three or more mobile phase component systems, once the dependence of the distribution of each mobile phase component between the mobile and stationary phases on the composition of the mobile phase has been elucidated.
Published Version
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