AccuTOF™ GCx-plus Time-of-Flight Mass Spectrometer by JEOL USA

Manufacturer JEOL USA  |   Model: JMS-T200GC
The JMS-T200GC AccuTOF™ GCx-plus Mass Spectrometer is the most advanced mass spectrometer system of the AccuTOF™ GC series of gas chromatography/time-of-flight mass spectrometer systems.

AccuTOF™ GCx-plus Time-of-Flight Mass Spectrometer by JEOL USA product image
AccuTOF™ GCx-plus Time-of-Flight Mass Spectrometer
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Reliable determination of elemental composition

The high-resolution and high mass accuracy AccuTOF™ GCx-plus enables accurate elemental composition determination, which is a powerful tool for the qualitative analysis of unknown compounds and impurities.

Powerful Separation and High Resolution Mass Spectra

The AccuTOF-GCX-plus offers a variety of ion sources and direct probes and features an Instrument Detection Limit (IDL) of 16 fg, statistically calculated from repeated injections of 100 fg octafluoronaphthalene (OFN). In combination with comprehensive 2D gas chromatography (GCxGC) using the Zoex thermal modulator, the GCx offers both powerful chromatographic separation and high-resolution mass spectra.

High resolution and mass accuracy allow for rapid elemental composition determination and target compound identification. With a fast analog-to-digital converter providing high linear dynamic range, the JEOL AccuTOF-GCx is perfectly suited to analyzing complex mixtures of true unknowns — even at low concentrations. Applications include: environmental, petroleum, polymers and materials, forensics, foods, flavors, and fragrances.

Powerful, streamlined data analysis

While hundreds or even thousands of components can be separated and detected using this type of system, interpreting the data sets can be challenging due to the unprecedented amount of information the data provides. The AccuTOF-GCx features new software methods and tools to simplify the analysis of GC/HRMS and GCxGC/HRMS data sets from complex mixtures such as crude oil and environmental contaminants.

Multiple ionization methods

The AccuTOF-GCx-plus is designed for optimum throughput, operation, and uptime. An optional combination EI/FI/FD ion source eliminates the need for source exchange for these experiments. Gas chromatography/field ionization can also be used to characterize samples that would be difficult to analyze by any other technique.


  • Electron Ionization (EI)


  • Chemical Ionization (CI)
  • Field Desorption (FD)
  • Field Ionization (FI)
  • Combination EI/FI/FD
  • Photoionization (PI)
  • Direct Probe (exposure and insertion)
  • Liquid Injection Field Desorption Ionization (LIFDI)