Figure 1From: Development of an HPLC method for determination of pentachloronitrobenzene, hexachlorobenzene and their possible metabolitesRepresentative HPLC chromatogram of PCNB metabolites identified from anaerobic enriched soil sample. Peak 1, pentachloroaniline (PeCA); Peak 2, tetrachloroaniline (TeCA); Peak 3, trichloroaniline (TCA); and Peak 4, dichloroaniline (DCA).Back to article page