Adsorption of an Anionic Surfactant on an Octadecyl Bonded Phase from a Pure Aqueous Mobile Phase

I. Girard Laboratoire de Chimie Analytique III, Université Claude Bernard - Lyon I, (U.A. CNRS 04.0435) Pr. M. Porthault, 43 boulevard du 11 novembre 1918, 69622, Villeurbanne Cedex, France

C. Gonnet Laboratoire de Chimie Analytique III, Université Claude Bernard - Lyon I, (U.A. CNRS 04.0435) Pr. M. Porthault, 43 boulevard du 11 novembre 1918, 69622, Villeurbanne Cedex, France

Abstract

Difficulties encountered when using pure aqueous mobile phases in ion pair reversed phase liquid chromatography are described.

The results presented in this paper show the influence of the structure and wettability of the stationary phase surface on the adsorption of an anionic surfactant (sodium octyl sulfate).

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Adsorption of an Anionic Surfactant on an Octadecyl Bonded Phase from a Pure Aqueous Mobile Phase

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Adsorption of an Anionic Surfactant on an Octadecyl Bonded Phase from a Pure Aqueous Mobile Phase

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