Electroanalytical and chromatographic determination of pentachlorophenol and related molecules in a contaminated soil: a real case example - Codognoto, Lúcia; Zuin, Vânia Gomes; Souza, Djenaine de; Yariwake, Janete Harumi; Machado, Sergio Antonio Spinola; Avaca, Luís Alberto (Microchemical journal, 2004)