Please use this identifier to cite or link to this item: http://hdl.handle.net/11189/2036
Title: Evaluation of extraction methods for the analysis of selected polybrominated diphenyl ethers and hexabromobiphenyl (BB-153) – Application to aqueous environmental samples
Authors: Daso, Adegbenro P 
Fatoki, Olalekan S 
Odendaal, J.P. 
Keywords: Polybrominated diphenyl ethers (PBDEs);Landfill leachate;Effluent;River water;Black river;Cape Town
Issue Date: 2013
Abstract: The increasing evidence of the presence of organic pollutants in different aqueous matrices has led to the development of many analytical techniques. The isolation of these compounds from the aqueous matrices remains an integral component of these techniques. In this study, the performance of three different extraction methods, namely separatory funnel, magnetic stirring and solid-phase extraction methods commonly applied to organic pollutants in aqueous matrices was assessed. The extraction efficiencies of the target compounds BDE 28, 47, 100, 99, 154, 153 and 183 as well as BB 153 were evaluated using spiking experiments. More so, the performance of a modified clean-up technique was compared with the conventional glass column chromatographic technique. The results from these studies showed that the separatory funnel extraction technique gave the best recoveries. The percent recoveries of these compounds ranged from 72 to 89%, 65 to 84% and 26 to 122% for the separatory funnel, magnetic stirring and solid-phase techniques, respectively. The modified clean-up technique, which requires the use of fewer quantities of the adsorbent material and eluting solvent, gave comparable results with the conventional column technique. The combination of the best extraction method and the modified clean-up techniques was applied to different aqueous matrices, including river water, wastewater treatment effluent and landfill leachate samples.
URI: http://hdl.handle.net/11189/2036
Appears in Collections:Appsc - Journal Articles (not DHET subsidised)
Prof. James P Odendaal
Prof. Olalekan S. Fatoki

Files in This Item:
File Description SizeFormat 
Daso_AP_Fatoki_Olalekan_S_Odendaal_JP_AppSci_2013.pdfArtile449.01 kBAdobe PDFView/Open
Show full item record

Page view(s)

26
Last Week
0
Last month
3
checked on Aug 21, 2018

Download(s)

10
checked on Aug 21, 2018

Google ScholarTM

Check


This item is licensed under a Creative Commons License Creative Commons