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2009•Chinese Journal of Analysis LaboratoryRequires access

Determination of phenols in environmental water by solid phase microextraction coupled with gas chromatography

HU Zhong-yang

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Abstract

A method for the determination of phenols in environmental water by solid phase microextraction coupled with gas chromatography was developed.The conditions of SPME influencing extraction quantities of phenols such as pH,ionic strength of solutions,extraction time and desorption time were studied.The extraction effects between two fiber coatings,polyacrylate(PA) and polydimethyliloxane(PDMS) on phenols were compared.The conditions of GC were also investigated.There was a good linear relationship between the concentrations and peak area values of phenols in the range of 0.20～200 μg/L.The detection limits of phenols were 0.019～0.10 μg/L.Relative standard deviations(n=5) were found to be 4.4%～11%. The average recoveries of phenolic standards added in environmental water were 92.2%～101.9%.The method can be applied to detect the phenols in environmental water.

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What this paper is about

A method for the determination of phenols in environmental water by solid phase microextraction coupled with gas chromatography was developed.The conditions of SPME influencing extraction quantities of phenols such as pH,ionic strength of solutions,extraction time and desorption time were studied.The extraction effects between two fiber coatings,polyacrylate(PA) and polydimethyliloxane(PDMS) on phenols were compared.The conditions of GC were also investigated.There was a good linear relationship between the concentrations and peak area values of phenols in the range of 0.20～200 μg/L.The detection limits of phenols were 0.019～0.10 μg/L.Relative standard deviations(n=5) were found to be 4.4%～11%. The average recoveries of phenolic standards added in environmental water were 92.2%～101.9%.The method can be applied to detect the phenols in environmental water.

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Available abstract

A method for the determination of phenols in environmental water by solid phase microextraction coupled with gas chromatography was developed.The conditions of SPME influencing extraction quantities of phenols such as pH,ionic strength of solutions,extraction time and desorption time were studied.The extraction effects between two fiber coatings,polyacrylate(PA) and polydimethyliloxane(PDMS) on phenols were compared.The conditions of GC were also investigated.There was a good linear relationship between the concentrations and peak area values of phenols in the range of 0.20～200 μg/L.The detection limits of phenols were 0.019～0.10 μg/L.Relative standard deviations(n=5) were found to be 4.4%～11%. The average recoveries of phenolic standards added in environmental water were 92.2%～101.9%.The method can be applied to detect the phenols in environmental water.

Key concepts: Chemistry, Phenols, Solid-phase microextraction, Extraction (chemistry), Chromatography, Gas chromatography, Solid phase extraction, Detection limit

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