Figure 3From: Development of an HPLC method for determination of pentachloronitrobenzene, hexachlorobenzene and their possible metabolitesRepresentative HPLC chromatogram of chlorophenolics and chlorohydroquinolics standards showing; Peak 1, dichlorohydroquinone (DiCH); Peak 2, tetrachlorohydroquinone (TeCH); and Peak 3-pentachlorophenol (PCP).Back to article page