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Abstract
Two simple equations, involving formation of the multimolecular solvates in the mobile phase, are discussed. These equations define the dependence of the capacity ratio upon mobile phase composition. The LC data, available from the literature, for different alcohols chromatographed in binary mixtures of n-heptane with alkyl acetate and tetrahydrofuran on Partisil 10 at 298 K are used to examine these equations.