Xiong Pin
2014
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Journal
The Plastics
Abstract
Aimed to study the migration of bis( 2-( 2-butoxyethoxy) ethyl) hexanedioate in four different simulation food media by gas chromatography,and the migration results was promoted by the optimized of the chromatography analysis and sample pretreatment conditions. The results showed that the method was convenient,reproducible,and reliable on quantification. The recovery rate varied from 61. 2 % to 113. 6 %,which was 5 % within the relative standard derivation( RSD) of the precision experiments. The migration of bis( 2-( 2-butoxyethoxy) ethyl) hexanedioate in different simulation food media like distilled water,ethanoic acid aqoeous solution( 3 %),ethanol aqoeous solution( 15 %) and isooctane for PLA film were 0. 057,0. 143,0. 215,1. 938 mg / dm2,respectively. The values of those migrations were all below the EU directive provides for hygienic standard of 3 mg / dm2.