Figure 2

GC-ECD chromatograms of fortified sample solutions with standards extracted with (A) ethyl acetate, (B) dichloromethane:n-hexane (1:1, v/v), and (C) ethyl acetate:n-hexane (1:1, v/v) as extraction solvent.

GC-ECD chromatograms of fortified sample solutions with standards extracted with (A) ethyl acetate, (B) dichloromethane:n-hexane (1:1, v/v), and (C) ethyl acetate:n-hexane (1:1, v/v) as extraction solvent.