Capillary gas chromatography combined with atomic emission detection for the analysis of DDT and metabolites

Capillary gas chromatography with atomic emission detection (GC-AED) was evaluated for the determination of DDT and metabolites in biological samples. Utilizing chlorine-selective detection at 479 nm, DDT, DDE, and DDD were quantified down to the 20 ng/g (fat weight) level ( S N = 10 ) in cod liver...

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Bibliographic Details
Published in:Chemosphere (Oxford) 1998, Vol.36 (2), p.213-224
Main Authors: Semb, Svein Ingar, Brevik, Einar Magne, Pedersen-Bjergaard, Stig
Format: Article
Language:English
Subjects:
Analysis
Biological and medical sciences
Chromatography, Gas - methods
Chromatography, Gel
Cod Liver Oil - analysis
DDT - analysis
DDT - metabolism
Dichlorodiphenyl Dichloroethylene - analysis
Dichlorodiphenyldichloroethane - analysis
Environmental Monitoring
Fish and seafood industries
Food industries
Fundamental and applied biological sciences. Psychology
General pharmacology
Insecticides - analysis
Medical sciences
Pesticide Residues - analysis
Pharmacology. Drug treatments
Reproducibility of Results
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Summary:Capillary gas chromatography with atomic emission detection (GC-AED) was evaluated for the determination of DDT and metabolites in biological samples. Utilizing chlorine-selective detection at 479 nm, DDT, DDE, and DDD were quantified down to the 20 ng/g (fat weight) level ( S N = 10 ) in cod liver oil, while the detection limit was 6 ng/g ( S N = 3 ). With splitless injection performed in the pressure programmed mode, DDT and related compounds were quantified based on a single chlorine calibration curve (universal calibration). The quantitative data obtained by GC-AED were in excellent accordance with similar results from capillary gas chromatography with electron capture detection (GC-ECD), while the procedure for calibration was simplified with the former technique.
ISSN:0045-6535
1879-1298
DOI:10.1016/S0045-6535(97)00277-4