Study on an Approach to Determining Phthalate Esters in Foods by Gas Chromatography

ZHANG Qian-long; ZHOU Zi-rong; CAO Yun; WANG Yu; YANG Pei-li

ZHANG Qian-long , ZHOU Zi-rong , CAO Yun , WANG Yu , YANG Pei-li . Study on an Approach to Determining Phthalate Esters in Foods by Gas Chromatography[J]. Journal of Environmental and Occupational Medicine, 2010, 27(7): 415-417.

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Study on an Approach to Determining Phthalate Esters in Foods by Gas Chromatography

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Objective To develop an approach to determining five common environment-polluted phthalate esters(PAEs) in foods by gas chromatography(GC).

Methods After extracted from organic solvent by ultrasonic, cleaned by Alumina N column and concentrated by nitrogen, PAEs in the samples were determined by gas chromatography-flame ionization detector(GCFID).

Results Five PAEs were well-separated from each other. The study showed the correlation coefficients between them were all above 0.999; the average spike recovery rates and the relative standard deviations(RSDs)were in the range of 82.0% to 101.0% and 2.8% to 7.3% respectively; the limits of detection(LODs)were between 2.0 μg/kg and 8.6 μg/kg.

Conclusion The approach was found simple, convenient, economic, sensitive, and applicable to everyday monitoring and inspection of foods for laboratories.

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Study on an Approach to Determining Phthalate Esters in Foods by Gas Chromatography

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