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Central Institute for Engineering, Electronics and Analytics (ZEA)

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Gas chromatographic techniques

Separation, Characterization and Quantification of mixtures of volatile organic compounds (GC-FID; GC-MS)

  • GC-MS/ FID (coupling of gas chromatography with mass spectrometry and flame ionization detection)

    • Cold injection system for highly volatile compounds (e.g. organic solvents)
    • Headspacesampler: analysis of the vapor space above a sample

Liquid chromatographic techniques

Separation and Characterization of ionic/polar/high molecular weight compounds

  • LC-MS (couling of liquid chromatography with a Triple Quadrupol-Mass spectrometer)
    Further equipment:

    • Nano-HPLC coupled to Nano-electrospray ionization (Nano-ESI): analysis of very small sample volumes at flow rates of 100 - 300 nL/min

  • LC-Hybrid-MS (coupling of liquid chromatography with a linear ion trap mass spectrometer combined with a high resolution Fourier Transformation Ion Cyclotronresonance mass spectrometer (FTICR-MS))
    Further equipment:

    • Ionization modes:

      • ESI
      • Atmospharic pressure chemical ionization (APCI)
      • Nanomate for very low sample volumes