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Analytical and Bioanalytical Chemistry

, Volume 406, Issue 5, pp 1493–1507 | Cite as

Monitoring the extraction of additives and additive degradation products from polymer packaging into solutions by multi-residue method including solid phase extraction and ultra-high performance liquid chromatography-tandem mass spectrometry analysis

  • Charlène Pouech
  • Florent Lafay
  • Laure Wiest
  • Robert Baudot
  • Didier Léonard
  • Cécile Cren-OlivéEmail author
Research Paper

Abstract

The use of polymer materials in industry for product packaging is increasing. The presence of additives in the polymer matrix enables the modification or improvement of the properties and performance of the polymer, but these industries are concerned regarding the extractability of these additives. The quantification of these additives is particularly challenging because of the presence of these substances as contaminants in all the analytical equipment and the diversity of their physicochemical properties. In this context, a multi-residue analytical method was developed for the trace analysis of the twenty main additives (and their degradation products) authorized in plastic products such as pharmaceutical packaging (e.g., antioxidants, release agents, and light absorbers). This analytical method consisted of a solid phase extraction (SPE) followed by an analysis using ultra-high performance liquid chromatography coupled to a tandem mass spectrometer (UHPLC-MS/MS). A comparison of two ionization interfaces and the optimization of the extraction procedure were discussed. The influence of the quality of the solvent type (distilled versus not distilled) and the nature of the SPE cartridges (Polypropylene versus Teflon®) were demonstrated. The optimized method exhibited a quantification limit lower than 20 ng mL−1 and recoveries between 70 % and 120 % for all compounds. Finally, the method was validated according to the ICH directive and was subsequently applied to the extraction of polymers under different pH conditions and storage temperatures. To the best of our knowledge, this study presents the first methodology allowing the simultaneous quantification of 24 additives at low ng mL−1.

Keywords

UHPLC-MS/MS, ultra-high performance liquid chromatography–tandem mass spectrometry Migration Polymer Plastic Packaging Additives 

Notes

Acknowledgments

The authors thank the Regional Rhône-Alpes Council, the FUI of the DGCIS, the CNRS (Centre National de la Recherche Scientifique), all of the partners of the POLYBIO project for their financial support for the POLYBIO project from the PLASTIPOLIS and the LYONBIOPOLE clusters, including for the project’s funding, which includes Charlène Pouech’s doctoral fellowship. Additionally, we thank Hervé Casabianca for the distillation of all solvents needed for this project.

Supplementary material

216_2013_7551_MOESM1_ESM.pdf (775 kb)
ESM 1 (PDF 775 kb)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Charlène Pouech
    • 1
    • 2
  • Florent Lafay
    • 1
  • Laure Wiest
    • 1
  • Robert Baudot
    • 1
  • Didier Léonard
    • 2
  • Cécile Cren-Olivé
    • 1
    Email author
  1. 1.Université de Lyon - Institut des Sciences AnalytiquesUMR 5280 CNRS-Equipe TRACESVileurbanneFrance
  2. 2.Université de Lyon - Institut des Sciences AnalytiquesUMR 5280 CNRS - Equipe SIMSVileurbanneFrance

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