oa Agrochemophysica - Die bepaling van organochloor-plaagdoderresidu s in Suid-Afrikaanse hoendereiers

Volume 10, Issue 4
  • ISSN : 0302-7112



A total o f 150 hens-egg samples was analysed for organochlorine pesticide residues. Two methods were evaluated namely a method based on the Food and Drug Administration method (FDA method) with or without Florosil column cleanup and a method using gel-permeation chromatography for cleanup. It was found that the adapted FDA method could not be used, because with Florosil column cleanup dieldrin and endosulfan could not be recovered, whereas without column cleanup the recovery varied widely. The method using the gel-permeation cleanup technique gave precise and rapid results.

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