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2009•Journal of Analytical ScienceRequires access

HPLC Determination of the Migration of Terephthalic Acid from Plastic Foodpackages into Food Simulants

LI Hui-ping

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Abstract

A method of high performance liquid chromatography(HPLC)was developed for determining the migration of terephthalic acid(TA) from plastic foodpackages into food simulants.The experimental parameters for sample pretreatment and chromatographic separation were optimized,and the optimal conditions were established.The developed method showed a good linear relationship in the range of 0.3~30 mg/L.The detection limit was 0.3 mg/L and the relative standard deviation for different simultants was in the range of 0.45%~9.24%.The developed method was applied to the real sample analysis,but no TA was found after the migration test.This results has been confirmed by HPLC-MS/MS technique.

About this research paper

What this paper is about

A method of high performance liquid chromatography(HPLC)was developed for determining the migration of terephthalic acid(TA) from plastic foodpackages into food simulants.The experimental parameters for sample pretreatment and chromatographic separation were optimized,and the optimal conditions were established.The developed method showed a good linear relationship in the range of 0.3~30 mg/L.The detection limit was 0.3 mg/L and the relative standard deviation for different simultants was in the range of 0.45%~9.24%.The developed method was applied to the real sample analysis,but no TA was found after the migration test.This results has been confirmed by HPLC-MS/MS technique.

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Available abstract

A method of high performance liquid chromatography(HPLC)was developed for determining the migration of terephthalic acid(TA) from plastic foodpackages into food simulants.The experimental parameters for sample pretreatment and chromatographic separation were optimized,and the optimal conditions were established.The developed method showed a good linear relationship in the range of 0.3~30 mg/L.The detection limit was 0.3 mg/L and the relative standard deviation for different simultants was in the range of 0.45%~9.24%.The developed method was applied to the real sample analysis,but no TA was found after the migration test.This results has been confirmed by HPLC-MS/MS technique.

Key concepts: Chemistry, Terephthalic acid, Chromatography, High-performance liquid chromatography, Relative standard deviation, Detection limit, Linear range, Linear relationship

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