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Determination of migration of styrene of polystyrene plastic moldings in directly contact with foodstuffs by HS-GC/MS

Hubiao Chen

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Abstract

Objective To establish a new method for determination of styrene from polystyrene plastic moldings in food simulants.Methods A method was developed for the determination of styrene in food simulants(water and soyabean oil) by headspace gas chromatography-mass spectrometry directly.Results In two simulants,average recoveries ranged from 87.5 to 99.6% with relative standard deviations(RSD) between 2.5 and 6.4%.The detection limit was less than 0.01 μg/mL.Conclusion This method has good sensitivity,accuracy and reproducibility.The limit of quantitation of this method can meet the international standard.

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Objective To establish a new method for determination of styrene from polystyrene plastic moldings in food simulants.Methods A method was developed for the determination of styrene in food simulants(water and soyabean oil) by headspace gas chromatography-mass spectrometry directly.Results In two simulants,average recoveries ranged from 87.5 to 99.6% with relative standard deviations(RSD) between 2.5 and 6.4%.The detection limit was less than 0.01 μg/mL.Conclusion This method has good sensitivity,accuracy and reproducibility.The limit of quantitation of this method can meet the international standard.

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Available abstract

Objective To establish a new method for determination of styrene from polystyrene plastic moldings in food simulants.Methods A method was developed for the determination of styrene in food simulants(water and soyabean oil) by headspace gas chromatography-mass spectrometry directly.Results In two simulants,average recoveries ranged from 87.5 to 99.6% with relative standard deviations(RSD) between 2.5 and 6.4%.The detection limit was less than 0.01 μg/mL.Conclusion This method has good sensitivity,accuracy and reproducibility.The limit of quantitation of this method can meet the international standard.

Key concepts: Polystyrene, Styrene, Detection limit, Food contact materials, Chromatography, Gas chromatography–mass spectrometry, Reproducibility, Relative standard deviation

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