Abstract
The properties of binary and ternary mixed liquid-crystalline stationary phases of eutectic composition have been tested. The experimental results are compared with theoretical ones obtained by assuming that the properties of the component phases are additive. It has been found that the selectivity of the mixed phases can be predicted at any temperature if the properties of the single phases are known. At the melting temperature the selectivity of the mixed phases is usually higher than that of the single phases. The efficiencies of columns with mixed phases are usually higher than expected from the additivity principle. Separations of mixtures of disubstituted benzene derivatives obtained on the mixed phases are comparable to those obtained using capillary columns with liquid-crystalline stationary phases.
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