title: Loss of paraoxon in aqueous acetonitrile extractions.
mesh_terms: D000097:Acetonitriles; D001554:Benzene; D002849:Chromatography, Gas; D008722:Methods; D010261:Paraoxon / Q000032:analysis*; D010278:Parathion / Q000032:analysis; D010573:Pesticide Residues / Q000032:analysis; D012997:Solvents
chemical_list: D000097:Acetonitriles; D010573:Pesticide Residues; D012997:Solvents; D010278:Parathion; D001554:Benzene; D010261:Paraoxon