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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Mundy, D.E. et al.

Determination of pentachlorophenol and related compounds in animal materials by high-performance liquid chromatography and gas chromatography.

The rapid determination of pentachlorophenol and tetrachlorophenols in animal materials by high-performance liquid chromatography (HPLC) on porous silica is described. Non-fatty substrates are digested in alkali and the chlorophenols extracted as ion pairs. Fatty materials are extracted with ethyl acetate-hexane after acidification. Extracts are cleaned up on "Sep-Pak" silica or Florisil cartridges. Penta- and tetrachloroanisoles are recovered by the extraction procedures and can be determined by gas chromatography if required. Mean recoveries of the chlorophenols were 73-108% at fortification levels of 0.1-10 mg/kg. A concentration of 0.1 mg/kg can readily be determined and the method can be adapted to reach about 1 microgram/kg. Identities can be confirmed by ion-pair HPLC on a reversed-phase column.[1]

References

Determination of pentachlorophenol and related compounds in animal materials by high-performance liquid chromatography and gas chromatography. Mundy, D.E., Machin, A.F. J. Chromatogr. (1981) [Pubmed]

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