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ORGANOCHLORINE INSECTICIDE RESIDUES IN SEDIMENTS FROM THE COAST OF CHITTAGONG, BANGLADESH
Ahmed Khan, Yusuf Sharif,Alauddin Talukder, Abul Bashar Mohammad,Begum, Jahanara 영남대학교 해양과학연구소 1997 Marine Nature Vol.5 No.1
ABSTRACT :A total of 5 samples of marine sediments were analyzed for residues of organochlorine insecticide from the coast of Chittagong, Bangladesh. The analytical method consisted of 3 phases 1) extraction, 2) clean-up and 3) analysis through Gas Chromatography (GC) with Electron Capture Detector (ECD). The concentration ranges were as follows 0.18-1.33 ng.g-¹ for aldrin, 0.2-1.84 ng.g-¹ for dieldrin, 0.30-1.31 ng.g-¹ for endrin, 0.11-0.26 ng.g-¹ for lindane, 0.56-3.36 ng.g-¹ for heptachlor, 0.2-1.51 ng.g-¹ for P, P' DDE, 0.18-2.91 ng.g-¹ for P, P' DDD, 0.11-3.12 ng.g-¹ for P, P' DDT. These results reveal that the sediments in the coast of Chittagong are slightly contaminated with some of these organochlorine insecticides.