Volume 49, Issue 1 pp. 56-64
Research Article
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Liquid and Gas Chromatographic Multi-residue Pesticide Determination in Animal Tissues

Aurora Navas D&45bldj;iaz

Corresponding Author

Aurora Navas D&45bldj;iaz

Departamento de Quıimica Analıitica, Facultad de Ciencias, Universidad de Málaga, 29071-Málaga, Spain

Departamento de Quıimica Analıitica, Facultad de Ciencias, Universidad de Málaga, 29071-Málaga, SpainSearch for more papers by this author
Angeles Garc&45Bldj;ia Pareja

Angeles Garc&45Bldj;ia Pareja

Departamento de Quıimica Analıitica, Facultad de Ciencias, Universidad de Málaga, 29071-Málaga, Spain

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Francisco Garc&45bldj;ia Sánchez

Francisco Garc&45bldj;ia Sánchez

Departamento de Quıimica Analıitica, Facultad de Ciencias, Universidad de Málaga, 29071-Málaga, Spain

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Abstract

A liquid chromatography multi-residue method with photometric detection has been developed. The method is applicable to the quantitative determination of organochlorine (tetradifon, dicofol, chlorfenson, chlorobenzilate), organophosphorus (fenitrothion, azinphos-ethyl) and carbamate (pirimicarb) pesticides in animal tissues. The extracted residues are cleaned up by gel-permeation chromatography. A further fractionation on silica Sep-Pack cartridges is included in the procedure. A gas chromatographic method with electron-capture detection for the analysis of the same pesticides was carried out and the results in the two cases compared. Lower detection and quantitation limits and similar recoveries of pesticides from spiked pig liver and brain samples were obtained by the LC method. © 1997 SCI.

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