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A. Groman, J. Gruberska

Gas chromatographic determination of ε-caprolactam migrated from plastic articles

Polimery 1999, No 9, 618

DOI: dx.doi.org/10.14314/polimery.1999.618


ε-Caprolactam migrated from plastic packaging materials into food simulants (water, aqueous 15 % ethanol, and aqueous 3 % acetic acid) was determined by GC. 1,6-Hexanediol was used as the internal standard. Under specified conditions, the retention times ofε-caprolactam and 1,6-hexanediol were 19.4 and 17.2 min, respectively (Fig. 1). Migration of ε-caprolactam into sunflower oil (extraction with water and addition of the internal standard prior to the extraction) was also studied. The detectability of the method was found to be 3 mg/kg food simulant. For ε-caprolactam, the specific migration limit is 15 mg/kg. The relative error of the method was found to be maximum 10%, and the relative standard deviation was lower than 8.

Keywords: gas chromatography, migration of ε-caprolactam

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