Analytical Instrument Documents

JEOL Resources


Documentation in support of your JEOL product.

GC/MS with a DART® Ion Source


The output of a gas chromatograph was connected to an AccuTOF-DART® to provide a simple GC/MS interface.

GC/MS analysis can be carried out by connecting the GC output to the DART® ion source with a simple interface. Because the GC column is not introduced into vacuum, there are no restrictions on gas flow rates. No fragile electron filament is used. Conditions can be adjusted to produce chemical ionization (CI) mass spectra or mass spectra resembling electron ionization (EI) mass spectra.

Experimental Conditions

A JEOL AccuTOF-DART mass spectrometer was used as the detector. The GC/MS interface consisted of short piece of 1/8 inch OD copper tubing wrapped with heat tape. A thermocouple was used to check the interface temperature. The GC column extended about 1 cm from the tubing into the heated gas stream of the DART ion source and positioned directly in front of the sampling orifice for the mass spectrometer atmospheric pressure interface. The DART source was operated with helium gas with the gas heater set to 300 degrees C. The GC was operated with the standard GC column (30 m ID x 0.32 mm film thickness DB-5 column) used for GC/MS measurements in our laboratory. GC conditions for the Grob mix were: split injection, oven temperature ramped from 40 to 200 degrees at 6 degrees per minute.

Attached Files
Showing 0 Comment

Comments are closed.

Other Resources

Walkup NMR
  • See how the Delta NMR software allows users to just "walk up" and start NMR experiments
  • Mass Spec Reference Data
  • View our page of useful molecular references for Mass Spec
  • Tutorials (Mass Spec)
  • Documents on the basics of mass spectrometry
  • Delta NMR software Tutorials
  • Videos on how to use the Delta NMR software
  • No-D NMR
  • Description of No-D NMR and how it can be used to eliminate the need for deuterated solvents
  • Non Uniform Sampling (NUS)
  • Description of how NUS is used to greatly reduce the time needed for running NMR experiments
  • NMR Basics
  • Overview of the Basics of NMR Theory
  • NMR Magnet Destruction
  • See our presentation of the slicing open of a JEOL Delta-GSX 270 MHz NMR Magnet
  • NMR Training
    Basic Operations and System Management for JEOL NMR Users
    Mass Spec Training
    Learn more about spectrometer operation and maintenance, data collection and processing, and advanced MS software operation.
    JEOLink NMR Newsletter
    We publish and send out this NMR newsletter to our customers. They can also be viewed here.
    Mass Media Newsletter
    We publish and send out this Mass Spec newsletter to our customers. They can also be viewed here.
    © Copyright 2024 by JEOL USA, Inc.
    Terms of Use
    Privacy Policy
    Cookie Preferences