Pyrolysis-Gas Chromatography-Mass Spectrometry (GC-MS)

Using this technique, sufficient heat is used to break down the organic bonds of a complex species into smaller and stable molecules referred to as pyrolyzates. The pyrolyzates form and their relative intensities provide insight into the nature of the original material. This technique has a wide variety of applications for identifying organic composition of unknown samples by providing detailed information about the compounds present in a sample: molecular formula, structure, and eluting time.

Pyrolyzer: Frontier lab

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GC: Agilent 8890 GC System

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MS: Agilent 5977B GC/MSD

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Sample form: Liquid, solid


  • Evolved Gas Analysis (EGA): Referred to as “road map”, this technique determines the thermal profile of the sample complexity when gases evolved during a customized programmed heating are transferred directly into the MS.
  • Single-Shot Analysis: Simple and fast technique for flash-Pyrolysis.
  • Double-Shot Analysis: Solid technique for identifying volatile fractions (residual solvents, additives, monomers, oligomers, etc.) as well as determination of polymeric fragments and the breakdown of the compounds seen in Desorption.
  • Heart Cuts (HC): Powerful technique for discovering detailed composition information of each thermal zone obtained from EGA.

How does Frontier Pyrolysis-GC/MS work?

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