Peltenburg, Hester Elucidating the sorption mechanism of "mixed-mode" SPME using the basic drug amphetamine as a model compound. [electronic resource] - Analytica chimica acta Jun 2013 - 21-7 p. digital Publication Type: Journal Article ISSN: 1873-4324 Standard No.: 10.1016/j.aca.2013.04.030 doi Subjects--Topical Terms: Acrylic Resins--chemistryAdsorptionAlkanesulfonic Acids--chemistryAmphetamine--analysisCations--chemistryElectrolytesHydrogen-Ion ConcentrationIon ExchangeKineticsSolid Phase Extraction--instrumentation