Abstract
The capacity factors ( k′) for sixteen tertiary N-alkylbenzamides in a reversed- phase chromatographic system are reported. Applying the solvophobic theory, the measured log k′ data from an acetonitrile—water eluent were used to calculate log k′ w (the log k′ in 100% water). The values for the contact surface are, Δ A, between the benzamide-bonded ligand (stationary phase) complex were alos calculated. The measured and calculated capacity factor data and other chromatographic parameters calculated from the solvophobic equations were found to be highly correlated with those molecular connectivity indices which quantitatively describe molecular bulk.
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