Title: Determination of Chlorophenols and Chloroanisols in Wine by Headspace Solid-Phase Microextraction and Gas Chromatography-Tandem Mass Spectrometry
Abstract: A headspace solid-phase microextraction and gas chromatography-tandem mass spectrometric(HS-SPME-GC-MS/MS) method was proposed for the simultaneous determination of three chlorophenols 2,4,6-trichlorophenol(TCP),2,3,4,6-tetrachlorophenol(TeCP),pentachlorophenol(PCP) and two chloroanisols including pentachloroanisol(PCA) and 2,4,6-trichloroanisol(TCA) in wine.Chlorophenols from wine samples were acetylated and then analyzed by GC-MS/MS in a multi-reaction monitoring(MRM) mode.Four extraction parameters including extraction fiber,ion strength,extraction temperature and extraction time were optimized.The results showed that the limit of detection of this method was 0.1 ng/L.The average spike recovery rates of five analytes in a positive sample were 86.0%-105.9% with a RSD less than 16.5%(n = 5).This method was simple,effective,sensitive and therefore applicable to monitor cork taint in exported and imported wine.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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