Instrumental equipment

The following mass spectrometers are currently available at the Institute of Chemistry at the University of Kassel for routine analysis:

DSQ II made by Thermo Scientific

  • Single quadrupole GC-MS with prefilter and turbomolecular pump (250 L/s )
  • electron impact ionization
  • Scan rate 11.000 amu/sec.
  • Mass range: < m/z 1050
  • Full-Scan and Single Ion Monitoring (SIM)
  • Direct-Inlet-System via DIP probe

 

Exactive made by Themo Scientific

  • Ionization technique: Electrospray ionization (ESI) and chemical ionization at atmospheric pressure (APCI)
  • APCI-DIP (Direct-Inlet-Probe) 
  • Orbitrap technology
  • Exact mass measurement due to high mass accuracy
    < 2 ppm (with internal calibration)
  • High Resolution R(FWHM) = 100.000
  • Mass range in normal mode: < m/z 2000; in extended
    mode: < m/z 4.000
  • HCD collision cell, LC compatible

 

Finnigan LCQDECA made by ThermoQuest

  • Quadrupole ion trap mass spectrometer with external ion source Ionization techniques: electrospray ionization (ESI) and chemical ionization at atmospheric pressure (APCI)
  • MS/MS Scan, Zoom- and Ultra Zoom Scan
  • Selected/Consecutive Ion/Reaction Monitoring
  • Single Ion Monitoring
  • MS10 capability, LC compatible

neofleX made by Bruker Daltonics

The instrument is maintained by the Animal Physiology Working Group

  • Ionization technique: Matrix-Assisted Laser Desorption Ionization (MALDI)
  • Axial benchtop instrument with time-of-flight technology
  • MS/MS via TOF and CID (Collision-Induced Dissociation) mode
  • BRUKER smartbeam™ 3D laser with 355 nm wavelength
  • With a spatial resolution of 20 µm for MALDI imaging
  • Scout MTP – Microtiter Target with transponder technology
  • Mass resolution in Reflectron mode up to 30.000 FWHM