title: Problems associated with the purifications of pentachlorophenol for biological studies.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002733:Chlorophenols / Q000032:analysis*; D002845:Chromatography / Q000379:methods; D008401:Gas Chromatography-Mass Spectrometry; D010416:Pentachlorophenol / Q000032:analysis*
chemical_list: D002733:Chlorophenols; D010416:Pentachlorophenol