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  • Title: Theoretical aspects of retention in overloaded columns.
    Author: González FR.
    Journal: J Chromatogr A; 2006 Sep 15; 1127(1-2):262-72. PubMed ID: 16815426.
    Abstract:
    Issues regarding the concentration dependent solute distributions in overloaded chromatographic columns are discussed. Geometric simplicity of wall-coated capillary columns is taken as a reference and the discussion is developed using the example of the absorption isotherm of a solute having more affinity for itself than for the stationary phase. A retention function is deduced solving the equation of motion for the peak maximum, making some approximations. By means of this expression, the applicability of capillary gas chromatography (GC) as a technique for obtaining information on the sorption isotherm is analyzed.
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