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Detection of Phthalic Acid Esters in Food Plastic Packaging Materials

Bie Tong-y

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Abstract

Contents of six phthalic acid esters(PAEs) including dimethyl phthalate(DMP), diethyl phthalate(DEP), dibutyl phthalate(DBP), benzyl butyl phthalate(BBP), di-(2-ethylhexyl) phthalate(DEHP), Din-octyl phthalate(DNOP) in nine kinds of food plastic packaging materials were investigated by solid phase extraction-gas chromatography. The results showed that the PAEs recovery rates ranged from 83.2 % to 106.9 %while the relative standard deviations ranged from 1.6 % to 6.2 %. PAEs were found in all the nine kinds of packaging materials. Among them, DBP existed in all the samples. DEHP was detected in 66.67 % of the total samples. All the contents of PAEs detected exceeded the European Standard(0.3 mg/kg bw).

About this research paper

What this paper is about

Contents of six phthalic acid esters(PAEs) including dimethyl phthalate(DMP), diethyl phthalate(DEP), dibutyl phthalate(DBP), benzyl butyl phthalate(BBP), di-(2-ethylhexyl) phthalate(DEHP), Din-octyl phthalate(DNOP) in nine kinds of food plastic packaging materials were investigated by solid phase extraction-gas chromatography. The results showed that the PAEs recovery rates ranged from 83.2 % to 106.9 %while the relative standard deviations ranged from 1.6 % to 6.2 %. PAEs were found in all the nine kinds of packaging materials. Among them, DBP existed in all the samples. DEHP was detected in 66.67 % of the total samples. All the contents of PAEs detected exceeded the European Standard(0.3 mg/kg bw).

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Available abstract

Contents of six phthalic acid esters(PAEs) including dimethyl phthalate(DMP), diethyl phthalate(DEP), dibutyl phthalate(DBP), benzyl butyl phthalate(BBP), di-(2-ethylhexyl) phthalate(DEHP), Din-octyl phthalate(DNOP) in nine kinds of food plastic packaging materials were investigated by solid phase extraction-gas chromatography. The results showed that the PAEs recovery rates ranged from 83.2 % to 106.9 %while the relative standard deviations ranged from 1.6 % to 6.2 %. PAEs were found in all the nine kinds of packaging materials. Among them, DBP existed in all the samples. DEHP was detected in 66.67 % of the total samples. All the contents of PAEs detected exceeded the European Standard(0.3 mg/kg bw).

Key concepts: Phthalate, Phthalic acid, Diethyl phthalate, Dimethyl phthalate, Dibutyl phthalate, Chemistry, Food packaging, Chromatography

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