Chromatographia

, Volume 52, Issue 1–2, pp 93–98 | Cite as

Diol sep-pak cartridges for enrichment of polychlorobiphenyls and chlorinated pesticides from water samples; determination by GC-ECD

  • M. V. Russo
Originals Gas Chromatography

Summary

Gas chromatography of polychlorinated biphenyls and chlorinated pesticides in water samples has been performed after adsorption from a 20–200-mL sample on to a cartridge containing 100 mg diol-bonded porous silica. The PCBs are desorbed with 500 μL ethyl acetate, which is concentrated and analysed by gas chromatography with electron-capture detection (GC-ECD).

The average recovery of 0.1 ng mL−1 PCB congeners from distilled water and from Aniene river water is≥95% (standard deviation≤2.8). Average recoveries of 25 ng mL−1 Aroclor 1254 from distilled water and from Aniene river water were, respectively, 94.4% and 92.5% (standard deviation 5.8).

In the separation of PCB congeners from the chlorinated pesticides only the aldrin (40%) was eluted with the PCBs from the diol Sep-Pak cartridge by aqueous methanol. The method described is simple and reproducible.

Key words

Gas chromatography Solid-phase extraction (SPE) Chlorinated pesticides Polychlorinated biphenyls 

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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 2000

Authors and Affiliations

  • M. V. Russo
    • 1
  1. 1.Facoltà di Agraria (DiSTAAM)Università del MoliseCampobasso (CB)Italy

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