title: Liquid-liquid extraction followed by solid-phase extraction for the determination of lipophilic pesticides in beeswax by gas chromatography-electron-capture detection and matrix-matched calibration.
authors.affiliation: Department of Analytical Chemistry, Faculty of Sciences, University of Valladolid, Prado de la Magdalena s/n, 47005 Valladolid, Spain. jjimenez@qa.uva.es
authors.forename: J J
authors.initials: JJ
authors.lastname: Jiménez
authors.forename: J L
authors.initials: JL
authors.lastname: Bernal
authors.forename: Ma J
authors.initials: MJ
authors.lastname: del Nozal
authors.forename: C
authors.initials: C
authors.lastname: Alonso
mesh_terms: D002138:Calibration; D002849:Chromatography, Gas / Q000379:methods*; D008055:Lipids / Q000737:chemistry; D010575:Pesticides / Q000032:analysis* / Q000737:chemistry; D012015:Reference Standards; D014885:Waxes / Q000737:chemistry*
chemical_list: D008055:Lipids; D010575:Pesticides; D014885:Waxes; C038228:beeswax