Organochlorine Pesticide Residues in Sediments and Waters from Cocoa Producing Areas of Ondo State, Southwestern Nigeria

Okoya, Aderonke Adetutu and Ogunfowokan, Aderemi Okunola and Asubiojo, Olabode Idowu and Nelson, Torto Organochlorine Pesticide Residues in Sediments and Waters from Cocoa Producing Areas of Ondo State, Southwestern Nigeria. Soil Science, 2013. pp. 1-12.

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Abstract

Thisstudyinvestigatedlevelsoforganochlorinepesticide(OCP)residuesinwaterandsedimentsamplesfromelevenriversserving as drinking water sources and receiving runoff from nearby cocoa plantations in Ondo State, Nigeria. Twenty-two composite samplesofsurfacewaterandsediments(0–3cm)werecollectedrandomlyusinggrabtechniqueandreplicatedthriceperseason. The efficiency of the two techniques [supercritical fluid extraction (SFE) and liquid/liquid extraction (LLE)] was evaluated with percentageanalyterecoveries 98.17 ± 0.03 to 134.72 ± 0.02 forSFEand 84.82 ± 3.32 to1102.83 ± 3.17 forLLE.Determinationof OCPsbygaschromatographywithelectroncapturedetectiongavehigherconcentrationsforsedimentscomparedtotheequivalent water samples. The commonly occurring pesticide residues in the sediments were (range,

Item Type: Article
Subjects: H Social Sciences > H Social Sciences (General)
Q Science > QD Chemistry
S Agriculture > S Agriculture (General)
S Agriculture > SB Plant culture
Divisions: Faculty of Engineering, Science and Mathematics > School of Chemistry
Depositing User: Mr. Victor Sebiotimo
Date Deposited: 13 Mar 2019 10:21
Last Modified: 13 Mar 2019 10:21
URI: http://eprints.abuad.edu.ng/id/eprint/87

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