Studies on system peaks in ion-pair adsorption chromatography (original) (raw)

Journal of Chromatography A, 1990

Abstract

Adsorption of a secondary amine, protriptyline, as phosphate ion-pair, to Nucleosil C18, was studied. Two different techniques were compared; the traditional break-through and the system peak technique. Both techniques indicated that the adsorption of the ion-pair was best fitted to a 2-site adsorption model of the Langmuir type, indicating a heterogenous solid phase surface.The reliability of the system peak technique

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