6533b861fe1ef96bd12c4d49

RESEARCH PRODUCT

Solution Properties of Polyelectrolytes. VI. Secondary Effects in Aqueous Size-Exclusion Chromatography

Rosa GarcíaVicente SoriaMaria Jesus ParetsAgustín Campos

subject

ChromatographyAqueous solutionVolume (thermodynamics)Ionic strengthChemistrySodiumSize-exclusion chromatographyMolecular Medicinechemistry.chemical_elementElectrolytePolyelectrolyte

description

Abstract An independent analysis of different operational variables in aqueous size exclusion chromatography of poly electrolytes has been carried out using a silica-based support. The effect of polyion concentration, pH and ionic strength on sodium polystyrenesulfonate calibration plots has been investigated. Finally, a novel semi-empirical model has been developed from thermodynamic considerations which relates the support effective pore volume to the polyelectrolyte molecular weight and qualitatively describes secondary effects.

https://doi.org/10.1080/01483919008048992