Abstract
AbstractA mixed stationary phase of modified β‐cyclodextrin, 2,6‐di‐O‐butyl‐3‐O‐butyryl‐β‐cyclodextrin (phase A), and SE‐54 (phase B) was used for enantiomeric separation of α‐phenylethylamine, o,m,p‐methyl and o,m,p‐methoxy‐substituted analogs. The composition of mixed phase was selected by comparison of each calculated αmin(=(γm,i+1)/(γm,i)), the relative retention values of the most adjacent peaks, and γm, last, the relative retention values of the last eluting peak at each preselected ratio. Values of γ,i, a calculated by derived equations were in good agreement with the experimental results obtained with two specified mixed phases. All solutes investigated were almost baseline separated at a predicted composition of phase A and phase B in a single run within 18 minutes.
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