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- Wuethrich, Alain, et al. Show all 3 Authors
- Journal of chromatography 2014 v.1369 pp. 186-190
- anions; application timing; benzenesulfonic acid; capillary electrophoresis; drinking water; electric field; electric power; evaporation; hydrogels; inorganic ions; river water; solid phase extraction
- ... An off-line electrophoretic sample concentration technique for charged analytes in aqueous samples is presented. As a demonstration, nine anions including inorganic ions, a dye and benzenesulfonate derivatives were enriched from a 10mL sample solution into 20μL electrolyte inside a glass micropipette. A hydrogel was placed at one end of the micropipette while the other end was immersed in the samp ...