Abstract
In the present study, the applicability of rapid flow injection–triple quadrupole mass spectrometry for simultaneous qualitative screening of different classes of stabilizers in polymeric materials is demonstrated. Electrospray ionization and atmospherical pressure chemical ionization were compared, whereby the latter yielded generally poorer detection limits and only single charged ions that were for some analytes beyond the mass range of the quadrupole mass spectrometry. Positive electrospray ionization allowed the interference-free monitoring of multiple reaction monitoring transitions selective for 36 commonly used stabilizers without chromatographic separation. Real polymer samples were extracted by toluene and the method allowed the detection of analytes down to 0.00001–0.025 wt% depending on the stabilizer.
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Acknowledgments
This research work was performed in work package AP-02 “Test Methods” of the fundamental research project SolPol-1 and in work package WP-01 “Performance and Test Methods” of the research project SolPol-3 on Solar-thermal Systems based on Polymeric Materials (www.solpol.at). This project is funded by the Austrian Climate and Energy Fund (KLI.EN) within the program “Neue Energien 2020.” The authors wish to express their acknowledgements to Agilent Technologies (Waldbronn, Germany) for providing the 6420 Triple Quadrupole LC/MS System.
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Beißmann, S., Reisinger, M., Toelgyesi, L. et al. Fast screening of stabilizers in polymeric materials by flow injection–tandem mass spectrometry. Anal Bioanal Chem 405, 6879–6884 (2013). https://doi.org/10.1007/s00216-013-7140-6
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DOI: https://doi.org/10.1007/s00216-013-7140-6