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Feb 24, 2004Article Details
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Determination of Phthalate Esters in the Aquatic Environment
Abstract
The use of solid phase extraction and capillary GLC provides the basis for selective determination of phthalate ester plasticizers in rivers and marine water samples. Of the several solvent ratios (methanol in dichloromethane) that were tried for selective elution of phthalate esters from the C18 solid phase glass catridge, the 50/50 ratio, CH3OH in CH2Cl2 (v/v) gave the best result. The method was tested on river and marine water samples that receive effluent from industries that use phthalate esters. The rivers and marine water samples are grossly polluted as several phthalate esters, for example, dimethyl(DMP), diethyl(DEP), dibutyl(DBP) and diethylhexyl(DEHP) were found present at 0.03 – 2 306 ± 9.4 m gl-1. A study on uncontaminated water was done to establish bank levels.
South African Journal of Chemistry Vol.54 2001: 69-83
South African Journal of Chemistry Vol.54 2001: 69-83
