Proteomics Mass Analyzer


  • Thermo LTQ Orbitrap & Mass Spec
    • Max Resolution > 100,000 
    • IonMax ESI Source
    • Two (2) Mechanical Pumps
    • Chiller
    • Powervar 2000 GPI
  • Xcalibur Data System
  • Cables & Manuals
  • Ninety (90) Day Warranty


  • Two (2) Year Warranty Available
  • Nitrogen Generator
  • Source Options:
    • Nano or APCI Source
  • Installation & Familiarization

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Item#: 10986a
Condition: Refurbished
Manufacturer: Thermo Scientific

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Proteomics Mass Analyzer

This hybrid system combines the linear ion trap mass spectrometer with the Orbitrap mass analyzer. The LTQ Orbitrap provides faster, more sensitive and more reliable detection and identification of compounds in complex mixtures. Outstanding mass accuracy, mass resolution and reliable high sensitivity MSn performance make the LTQ Orbitrap a clear alternative to hybrid Time-of-Flight systems.

Automated Data Dependent MSn acquisition with accurate mass analysis can be effortlessly combined with rapid LC/MS analysis. The accurate mass MS spectrum, typically recorded at 60,000 resolution, is used to trigger subsequent accurate mass MSn analyses. Up to three MSn scans can be performed per second, yielding unprecedented information for identification of trace level species in complex mixtures. High resolution and accurate mass with external calibration are used to rapidly and confidently confirm elemental assignments.


  • Resolution (apodized)
    • 60000 (FWHM) @ m/z 400 with a scan repetition rate of 1 second
    • Minimum resolution 7500 @ m/z 400
    • Maximum resolution 100000 @ m/z 400
  • Cycle Time 
    • 1 scan at 60000 resolution @ m/z 400 per second
  • Mass Range
    • m/z 50–2000
    • m/z 200–4000
  • Mass Accuracy 
    • <5 ppm RMS for 8 h period with external calibration
    • <2 ppm RMS with internal calibration
  • Dynamic Range 
    • >10000 between mass spectra
    • >4000 between highest and lowest detectable mass in one spectrum
  • MS/MS 
    • MS/MS and MSn scan functions

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Proteomics Mass Analyzer

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