An Extension and New Interpretation of Ościk's Equation for Describing Liquid Chromatography with Mixed Mobile Phases. II. Partition and Adsorption Effects

M. Jaroniec Institute for Materials Research McMaster University, Hamilton, Ontario, L8N 4M1; Institute of Chemistry, M. Curie-Sklodowska University, 20031, Lublin, Poland; Department of Chemistry, Georgetown University, Washington, D.C., 20057

D. E. Martire Department of Chemistry, Georgetown University, Washington, D. C., 20057

J. Ościk Institute of Chemistry M. Curie-Sklodowska University, 20031, Lublin, Poland

Abstract

Previously [J. Liquid Chromatogr. 8 (1985) 1363] it was shown that an equation having a form similar to Ościk's classical equation was derivable from a model involving solute partitioning (with no solute and solvent displacement) between a bulk-liquid mobile phase and a surface-influenced stationary liquid layer. Based on a recent general theory, we now propose a solute retention model which reveals an alternative molecular basis of Ościk's equation, which has been successfully applied to a range of liquid adsorption chromatographic systems. According to this model, solute is distributed between the

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An Extension and New Interpretation of Ościk's Equation for Describing Liquid Chromatography with Mixed Mobile Phases. II. Partition and Adsorption Effects

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An Extension and New Interpretation of Ościk's Equation for Describing Liquid Chromatography with Mixed Mobile Phases. II. Partition and Adsorption Effects

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