Abstract
A high performance liquid chromatography (HPLC) method was used to determine 12 acrylate compounds in plastic food contact materials. The plastic food contact material samples were extracted by ultrasonic with methanol. The mixed solution of water and acetonitrile was used as mobile phase for gradient elution. The samples were separated by ZORBAX SB-AQ column (250 mm×4.6 mm, 5 μm), and analyzed by diode array detector (DAD). The results showed that under the optimal chromatographic conditions, the 12 acrylate compounds had good linear relationships in the range of 0.01-10.0 mg/L, the correlation coefficient of the standard curves were higher than 0.999, and the detection limits (LODs) were 0.03-0.08 mg/kg. The recovery rate was between 85.4% and 110.7%, and the relative standard deviation was from 1.6% to 5.2%. The method was simple and accurate, and can be used for the analysis and detection of 12 acrylate compounds in plastic food contact materials.
Highlights
Acrylate compounds are the general term of esters of acrylic acid and its homologues, which are an important chemical raw material mainly used for the production of adhesives, synthetic resins, rubber and plastics [1,2,3]
A high performance liquid chromatography (HPLC) method was used to analyze and detect 12 acrylate compounds in plastic food contact materials, which can avoid the influence of high temperature on target substances in gas chromatography
The results showed that the mass concentrations of the 12 acrylate compounds were linear in the range of 0.1-10 mg/L, and the correlation coefficient were more than 0.999
Summary
Acrylate compounds are the general term of esters of acrylic acid and its homologues, which are an important chemical raw material mainly used for the production of adhesives, synthetic resins, rubber and plastics [1,2,3]. The main methods for the determination of acrylate compounds include gas chromatography [7], gas chromatography-mass spectrometry [8], high performance liquid chromatography [9], etc These methods are mainly used for quantitative analysis of a single or a few acrylate compounds. A high performance liquid chromatography (HPLC) method was used to analyze and detect 12 acrylate compounds in plastic food contact materials, which can avoid the influence of high temperature on target substances in gas chromatography. This method is simple, accurate and reliable, and can provide technical support for the detection of acrylate compounds in plastic food contact materials in the future
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