Time of Flight Mass Spectrometer (TOF MS)

Time-of-flight mass spectrometers (TOF MS) do exactly what their name suggests: determine an ion’s mass-to-charge ratio (m/z) based on how long it takes for that ion to travel down the instrument’s “flight tube” and reach the detector. Frequently, though not exclusively coupled to matrix-assisted laser desorption ionization (MALDI) sources, TOF MS come in a variety of configurations, including a single-stage time-of-flight mass spectrometer, a multi-stage TOF/TOF, and even a hybrid quadrupole-TOF (Q-TOF) instrument; the latter two enable MS/MS applications. Often, time-of-flight mass spectrometers contain two detectors: a linear detector at the end of the flight tube, and a “reflector” detector, which captures ions that were redirected back towards the source by a “reflectron.” The reflectron serves two purposes: correcting for discrepancies in initial kinetic energy of identically sized molecules (which would cause them to reach the detector at different times and thus, have different apparent m/z values) and lengthening the flight path, improving resolution.

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CompanyJEOL USA, Inc.JEOL USA, Inc.JEOL USA, Inc.JEOL USA, Inc.
ItemSpiralTOF-plus Ultra-High Mass Resolution MALDI-TOFMS SystemAccuTOF DART® 4G Time-of-Flight Mass SpectrometerAccuTOF LC-Express Time-of-Flight Mass SpectrometerAccuTOF™ GC-Alpha Mass Spectrometer
Catalog NumberJMS-S3000JMS-T100LP-DARTJMS-T100LPJMS-T2000GC
Price
Ionization Method(s)Matrix-Assisted Laser Desorption/IonizationDirect Analysis in Real Time (DART)ESI, DART, and CSI (ColdSpray) are supportedFI, FD
EI, PI, CI optional
Mass AnalyzerMALDI-TOFTime-of-Flight Mass AnalyzerTime-of-FlightTOF
ResolutionInquireInquireGreater than 6,000 FWHM (Full Width at Half Maximum)> 30,000 FWHM
Scanning SpeedInquireInquireUp to 16,000 spectra/secondInquire
Mass RangeInquireUp to m/z 6000InquireUp to m/z 6,000
DescriptionThe JMS-S3000 SpiralTOF™-plus Ultra-High Mass Resolution MALDI-TOFMS* System is a MALDI-TOFMS that incorporates the innovative SpiralTOF ion optics. The JMS-S3000 has evolved into SpiralTOF™-plus 3.0 with much wider dynamic range. The JMS-S3000 defines a new standard in MALDI-TOFMS performance and ... Read MoreDirect Analysis in Real Time DART - A Powerful Problem-solving Tool

The AccuTOF-DART 4G allows you to immediately determine chemical composition and produce high-resolution, accurate mass spectra by simply placing a sample in its native form between the DART ion source and the AccuTOF mass
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The basic system comes standard with an orthogonal spray ESI source. Optionally available ion sources include: APCI, Dual Spray ESI, Micro ESI, Nano ESI, and the revolutionary Direct Analysis in Real Time (DART). All sources are coupled to the AccuTOF via our unique atmospheric pressure interface. ... Read MoreThe JMS-T2000GC AccuTOF™ GC-Alpha Time-of-Flight Mass Spectrometer takes you to a new world of mass spectrometry, the ultimate GC-MS with superior performance and ease of operation.

The AccuTOF™ GC-Alpha is an orthogonal-acceleration time-of-flight mass spectrometer(oaTOFMS) with dual
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