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Title: Solid-phase extraction method for the analysis of eleven phenolic pollutants in water samples
Authors: Olujimi, O.O. 
Fatoki, Olalekan S 
Odendaal, James P 
Okonkwo, OJ 
Keywords: Solid phase extraction;Phenolic compounds;Pollutants
Issue Date: 2011
Publisher: Asian Journal of Chemistry
Abstract: An analytical protocol for the determination of priority phenolic compounds: phenol, 2-methyl 4,6-dinitrophenol, 2-chlorophenol, 2,4- dichlorophenol, 2,4,6-trichlorophenol, pentachloro-phenol, 2-nitrophenol, 4-nitrophenol, 2,4-dinitrophenol, 4-chloro-3-methylphenol, 2,4,6-tribromophenol and 2,4-dimethylphenol, in water samples using strata C18 cartridge is presented. Different parameters affecting extraction and peak separation were optimized. Recoveries using spiking of the test compounds varied in the ranged between 69.43 ± 1.76 % and 101.87 ± 0.45 %. The high recoveries obtained validated the method. Detection limits obtained ranged from 4 µg L-1 for 2,4- dimethylphenol to 166 µg L-1 for 4-nitrophenol, using LC-UV. The results obtained by applying the developed method to real environmental water sample containing 2,4-dichlorophenol, 2-methyl, 4,6-dinitrophenol, pentachlorophenol and 2,4,6-tribromophenol indicated the following concentration levels: 5.129, 0.561, 4.788 and 0.868 ng µL-1 , respectively.
Appears in Collections:Appsc - Journal Articles (DHET subsidised)
Prof. James P Odendaal
Prof. Olalekan S. Fatoki

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