Sadowska-Rociek, Anna Comparison of different modifications on QuEChERS sample preparation method for PAHs determination in black, green, red and white tea. [electronic resource] - Environmental science and pollution research international Jan 2014 - 1326-38 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1614-7499 Standard No.: 10.1007/s11356-013-2022-1 doi Subjects--Topical Terms: Camellia sinensis--chemistryChemical Fractionation--methodsEnvironmental MonitoringGas Chromatography-Mass SpectrometryLiquid-Liquid ExtractionMass SpectrometryPolycyclic Aromatic Hydrocarbons--analysisSoil Pollutants--analysisTea--chemistry