Simultaneous Determination of 8 Kinds of Phthalic Acid Esters in Plastic Food Packaging Materials by High Performance Liquid Chromatography

Abstract

Abstract: A high performance liquid chromatographic method for simultaneous determination of eight kinds of phthalic acid esters (PAEs) in plastic food packaging materials was developed. The contents of PAEs in 27 plastic packaging material samples, assigned to 7 classes were analyzed. All the samples contained DBP, and 44% of them contained DEHP, including one sample found to contain BBP and no other PAEs. These results illustrate that DBP and DEHP are dominantly used as plasticizers in plastic food packaging materials in China at present. The contents of DBP and DEHP were 22.89–267.6 mg/kg and 0.33–899.8 mg/kg in 27 plastic packaging material samples, respectively. PET packaging material and HDPE packaging material were both richer in DEHP.

Key words: high performance liquid chromatography, food plastic packing material, phthalic acid esters

CLC Number:

References

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