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Fingerprinting and identification of isolated plastic polymers with pyrolysis comprehensive two-dimensional gas chromatography and flame ionization detection
journal contribution
posted on 2023-02-20, 04:14 authored by J Luong, R Gras, Y Hua, G Liu, Robert ShellieRobert ShellieAn approach using pyrolysis with comprehensive two-dimensional gas chromatography with flame ionization detection is introduced for identifying common isolated plastic polymers. A quadrupole mass spectrometer is employed as a parallel detector to aid method development and improve polymer identification in complex matrices. Common plastic polymers including polyethylene, polypropylene, polystyrene, polyvinyl chloride, polyamide, poly(methyl methacrylate), styrene-butadiene rubber, and polyethylene terephthalate are accurately identified within a total analysis time of 45 min. A strategy to enhance compatibility of high-resolution capillary gas chromatography using a 150-µm internal diameter column technology and a larger internal volume microfurnace–based pyrolyzer is discussed. This strategy resulted in minimizing the band broadening effect caused by the pyrolyzer’s internal volume and overcoming the slow pressure buildup when the sample is inserted into the furnace. Prolonged pressure buildup to reach a final pressure setting can cause a safety shutdown to the pneumatic control system. The developed approach is complementary to spectroscopic techniques by offering mass based, chemical composition analysis of plastics.
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Journal
Analytical and Bioanalytical ChemistryLocation
GermanyPublisher DOI
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1618-2642eISSN
1618-2650Language
EnglishPublication classification
C1 Refereed article in a scholarly journalPublisher
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Science & TechnologyLife Sciences & BiomedicinePhysical SciencesBiochemical Research MethodsChemistry, AnalyticalBiochemistry & Molecular BiologyChemistrySynthetic polymer analysisComprehensive two-dimensional gas chromatographyFlame ionization detectionQuadrupole mass spectrometryPyrolysisPOLLUTED SEDIMENTSMICROPLASTICSSPECTROMETRYChemical SciencesBiological SciencesEngineering
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