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Application of Pyrolysis–Gas Chromatography– Mass Spectrometry for the Identification of Polymeric Materials

  • Analytical pyrolysis technique hyphenated to gas chromatography/mass spectrometry (Py-GC/MS) has extended the range of possible tools for characterization of synthetic polymers/copolymers. Pyrolysis involves thermal fragmentation of the analytical sample at elevated temperature between 500 and 1400 °C. In the presence of an inert gas, reproducible decomposition products characteristic for the original polymer/copolymer sample are formed. The pyrolysis products are chromatographically separated by using a fused silica capillary column and subsequently identified by interpretation of the obtained mass spectra or by using mass spectra libraries. The analytical technique eliminate the need for pre-treatment by performing analyses directly on the solid or liquid polymer sample. In this paper, application examples of the analytical pyrolysis hyphenated to gas chromatography/mass spectrometry for the identification of different polymeric materials in the plastic and automotive industry, dentistry and occupational safety are demonstrated. For the first time results of identification of commercially light-curing dental filling material and a car wrapping foil by pyrolysis-GC/MS are presented.

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Document Type:Article
Author:Peter Kusch, Gerd Knupp, Wolfgang Fink, Dorothee Schroeder-Obst, Volker Obst, Johannes Steinhaus
Parent Title (English):LC GC Asia Pacific
First Page:16
Last Page:21
Publisher:Advanstar Communications
Publishing Institution:Hochschule Bonn-Rhein-Sieg
Date of first publication:2014/11/01
Keyword:Pyrolysis GC/MS
Departments, institutes and facilities:Fachbereich Angewandte Naturwissenschaften
Dewey Decimal Classification (DDC):5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Entry in this database:2016/01/12
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 3.0