Chromatographia

, Volume 69, Issue 7–8, pp 691–699 | Cite as

Precision of Flash Pyrolysis-GC-MS Analysis: Experimental Evaluation of the Sources of Variability

  • Lei Ji
  • Lyadi Pio Riana
  • Michel Sablier
  • Jérôme Vial
Original

Abstract

The present study was carried out to evaluate the precision and to identify significant sources of variability in flash pyrolysis-GC-MS experiments. The analysis of variance has been applied to the example of polyethylene pyrolysis to estimate the impact of several controlled factors: sample handling, flash pyrolysis filament ageing and calibration. It was demonstrated that to get the best precision in experimental results, it is recommended to set the operator to reduce the impact of sample handling procedure and the filament to avoid variability due to changes in filament characteristics. In comparison, filament ageing and filament calibration are shown to influence in a limited extent the experimental results.

Keywords

Gas chromatography Pyrolysis-gas chromatography-mass spectrometry Flash pyrolysis Analysis of variance Polyethylene 

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Copyright information

© Vieweg+Teubner | GWV Fachverlage GmbH 2009

Authors and Affiliations

  • Lei Ji
    • 1
  • Lyadi Pio Riana
    • 1
  • Michel Sablier
    • 1
  • Jérôme Vial
    • 2
  1. 1.Laboratoire des Mécanismes RéactionnelsEcole Polytechnique, CNRSPalaiseau CedexFrance
  2. 2.Laboratoire Environnement et Chimie AnalytiqueESPCI, CNRSParisFrance

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