Harmonisation of sample preparation for microplastic analysis: Recovery rates of tablets containing microplastics as reference material for food and environmental matrix

  • Microplastic are found ubiquitarians in the environment and food products. Up to now, their impact of risks on health and environment is still controversially discussed, but based on the precautionary principle alone, their presence should be monitored and emission should be reduced (see here also the status of existing EU regulations ). The crucial point is not only the reduction of microplastics pollution but also the introduction of legally binding, standardized procedures for their analysis. The limited availability of certified reference material as well as absence of standard operating procedures to identify, characterize and quantify microplastics according to number and mass have generated lack of comparability between different analytical methods and laboratories; but also, the need of time-consuming development of own protocols for each laboratory. Further on, harmonisation and standardisation of microplastics analysis requires specific reference materials that are used toMicroplastic are found ubiquitarians in the environment and food products. Up to now, their impact of risks on health and environment is still controversially discussed, but based on the precautionary principle alone, their presence should be monitored and emission should be reduced (see here also the status of existing EU regulations ). The crucial point is not only the reduction of microplastics pollution but also the introduction of legally binding, standardized procedures for their analysis. The limited availability of certified reference material as well as absence of standard operating procedures to identify, characterize and quantify microplastics according to number and mass have generated lack of comparability between different analytical methods and laboratories; but also, the need of time-consuming development of own protocols for each laboratory. Further on, harmonisation and standardisation of microplastics analysis requires specific reference materials that are used to validate the measurement and to ensure the comparability of results. In the first step, we developed tablets of a water-soluble matrix, containing defined numbers of microplastic particles or mass contents. These can be solved in water and can be handled as reference materials in bottled drinking water without additional sample preparation. These samples can be measured, using mass-based methods as thermo-analytical methods like thermal desorption-gas chromatography-mass spectrometry (TED-GC/MS) or pyrolysis–gas chromatography–mass spectrometry (Py-GC/MS) and using umber-based methods as vibrational spectroscopy like Infrared and Raman directly after filtration. The aim of this work was to delevop standard operating procedure to measure microplastics in more complex matrices and to harmonise and compare different detection and characterization methods. In fact, these matrices require different additional treatments to allow a reliable quantification and identification of microplastics.zeige mehrzeige weniger

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Autor*innen:C Drago, Yosri Wiesner, U Braun, A Giovannozi, M Fadda, Mara Putzu, S Lorenzo, C Moscoso-Pérez, N Benismail, C Palma, J Almeida, M Mattarozzi, M Barbaresi, M Piergiovanni, M Masino, F Bianchi, M Careri, B v Bavel, A Maltseva, M Sillanpää, D Pröfrock, D Wippermann, Korinna AltmannORCiD
Dokumenttyp:Vortrag
Veröffentlichungsform:Präsentation
Sprache:Englisch
Jahr der Erstveröffentlichung:2025
Organisationseinheit der BAM:6 Materialchemie
6 Materialchemie / 6.5 Synthese und Streuverfahren nanostrukturierter Materialien
DDC-Klassifikation:Naturwissenschaften und Mathematik / Chemie / Analytische Chemie
Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Sanitär- und Kommunaltechnik; Umwelttechnik
Freie Schlagwörter:Microplastics; Nanoplastics
Themenfelder/Aktivitätsfelder der BAM:Chemie und Prozesstechnik
Chemie und Prozesstechnik / Chemische Charakterisierung und Spurenanalytik
Umwelt
Umwelt / Umwelt-Material-Interaktionen
Veranstaltung:SETAC Europe 2025
Veranstaltungsort:Vienna, Austria
Beginndatum der Veranstaltung:11.05.2025
Enddatum der Veranstaltung:15.05.2025
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:13.06.2025
Referierte Publikation:Nein
Eingeladener Vortrag (wissenschaftliche Konferenzen):Nein
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