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Analysis of volatiles in polymers, part II. Supercritical fluid extraction/open tubular GC/MS

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Supercritical fluid extraction (SFE) connected to open tubular gas chromatography has been used for the analysis of non-polar to medium polar volatiles entrained in polymers. This polymer sheets, prepared with the aid of a microtome, have been extracted with supercritical carbon dioxide. The influence of sample area/weight ratio and extraction cell volume on the SFE performance has been investigated. Further, quantitative analysis was executed by stepwise extractions.

A set of polybutylene terephthalate polymers, originating from different manufactures, has been analysed regarding entrained volatiles.

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Schmidt, S., Blomberg, L. & Wännnman, T. Analysis of volatiles in polymers, part II. Supercritical fluid extraction/open tubular GC/MS. Chromatographia 28, 400–404 (1989). https://doi.org/10.1007/BF02261022

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Key Words

  • Supercritical fluid extraction
  • Gas chromatography/mass spectrometry
  • Volatile constituents in polymers
  • Quantification by stepwise extraction