Determination of Organochlorinated Pesticide Residues By Gas Chromatography - Mass Spectrometry after Elution in A Florisil Column

The purpose of the present study was to develop an easy analytical method for determining alpha-hexachlorocyclohexane (alpha-HCH), hexachlorobenzene (HCB), heptachlor (HC), aldrin (ALD), 4,4-dichlorodiphenyldichloroethylene (4,4-DDE) and 4,4-dichlorodiphenyltrichloroethane (4,4-DDT) residues by gas chromatography with mass spectrometre (GC-MS) for routine analysis. Chicken muscles were utilized as samples in this study. A florisil packed column was used in sample preparation step and showed good performance. The average precision and accuracy ranged 8.03-24.00% and -4.36-30.67%, respectively (n=6). The average recoveries were between 95.74 and 130.67% for various spiking levels (25, 50, 100 ng/g). The average of inter- and intra-day precision was