Science and Technology of Food Industry

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ZHOU Hong-xia, HUA Chun, TANG Hui-min. Determination of 20 pthalates in feed by Gas Chromatography-Mass Spectrometry[J]. Science and Technology of Food Industry, 2014, (10): 74-78. DOI: 10.13386/j.issn1002-0306.2014.10.007
Citation: ZHOU Hong-xia, HUA Chun, TANG Hui-min. Determination of 20 pthalates in feed by Gas Chromatography-Mass Spectrometry[J]. Science and Technology of Food Industry, 2014, (10): 74-78. DOI: 10.13386/j.issn1002-0306.2014.10.007
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Determination of 20 pthalates in feed by Gas Chromatography-Mass Spectrometry

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  • An analytical method to determine 20 phthalates in feed was presented using liquid-liquid extraction and gas chromatography-mass spectrometry (GC-MS) . The sample pretreatment before GC-MS analysis was achieved by liquid-liquid extraction with n-hexane. The presented method was simple, accurate, reliable and reproducible. The limits of detection of this method for 18 phthalates tested were in the range of 10.2701μg/kg. The average spike recovery rates of these phthalates from blank feed samples varied from 80% 109% with relative standard deviation of 1.0% 5.9%. This method could meet the requirements for the determination of phthalates in feed.
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