LC/MSn high resolutionIon Max ESI Source & HCD Collision CellTested, with warranty.Spezifikationen:Routine FT mass accuracy60,000 resolution at 1 Hz scan cycleWide dynamic rangeParallel MS and MSn analysisMultiple dissociation techniques: CID, PQD and HCDMass Range m/z 50-2000, m/z 200-4000Resolution 60,000 at m/z 400 at a scan rate of 1 Hz,min. resolution 7,500 max. resolution >100,000 at m/z 400Mass Accuracy < 3 ppm external calibration, < 2 ppm internal calibrationSensitivity sub-femtomol range for peptidesDynamic Range > 4,000 within a single scanMS Scan Power MSn , for n = 1 through 10Price plus installation.

Like-new Orbitrap HRMS instrument, manufactured in 2021, rarely used.SpecificationsDynamic range:> 5,000:1 within a spectrumMass accuracy:< 3 ppm RMS – with internal calibrationMass range:40 to 6,000 m/zResolution:max. 480,000 at 195 m/zPolarity switching:One complete scan cycle in < 1 s(one complete scan each in positive and negative modes at a resolution of 60,000)Scan rate:max. 40 Hz at a resolution of 7,500 at 200 m/zSensitivity:MS/MS: 50 fg reserpine on column, S/N 100:1 SIM: 50 fg reserpine on column, S/N 150:1Refurbished, incl. fore-pump, data acquisition system, LED monitor(HPLC / UPLC optional upon request)

Orbitrap Tribrid HRMS instrument, manufactured in 2014SpecificationsMass range:m/z 50–2,000, m/z 200–4,000, up to m/z 6,000 without precursor ionOTMS resolution:15,000–500,000 (FWHM) at m/z 200Scan rate:OTMSn up to 20 Hz, ITMSn up to 20 HzOTMS mass accuracy:< 3 ppm RMS with external calibration, < 1 ppm RMS with internal calibrationMS/MS electrospray ionization (ESI) ion trap sensitivity: 2 μL of a 50 fg/μL solution of reserpine(total 100 femtograms), injected at a flow rate of 500 μL/min, produces a minimum signal-to-noise ratio of 200:1 for the transition of the isolated protonated molecular ions at m/z 609 to the two largest products, m/z 397 and m/z 448, when the mass spectrometer is operated with unit resolution in full-scan MS/MS mode, m/z 165–615. An HESI III probe is required for the test.Dynamic range:> 5,000 within a single OTMS spectrumMS scan capability: MSn, for n = 1 to 10Synchronous precursor isolation, up to 20 precursors per MSn scanMultiplexing using the ion routing multipoleUp to 10 precursors per scan using the quadrupole mass filterPolarity switching:full cycle in < 1.1 s (one full scan in positive mode and one full scan in negative mode at a resolution setting of 30,000)ETD efficiency: ETD fragmentation efficiency of >15% (infusion of 1 pmol/μL angiotensin at 3 μL/min)refurbished, incl. forepump, control computer, LED monitor(HPLC / UPLC / nanoLC optional upon request) 

Orbitrap Tribrid HRMS instrument, manufactured in 2017SpecificationsMass range:m/z 50–2,000, m/z 200–4,000, up to m/z 6,000 without precursor ionOTMS resolution:15,000–500,000 (FWHM) at m/z 200Scan rate:OTMSn up to 20 Hz, ITMSn up to 20 HzOTMS mass accuracy:< 3 ppm RMS with external calibration, < 1 ppm RMS with internal calibrationMS/MS electrospray ionization (ESI) ion trap sensitivity: 2 μL of a 50 fg/μL solution of reserpine(total 100 femtograms), injected at a flow rate of 500 μL/min, produces a minimum signal-to-noise ratio of 200:1 for the transition of the isolated protonated molecular ions at m/z 609 to the two largest products, m/z 397 and m/z 448, when the mass spectrometer is operated with unit resolution in full-scan MS/MS mode, m/z 165–615. An HESI III probe is required for the test.Dynamic range:> 5,000 within a single OTMS spectrumMS scan capability: MSn, for n = 1 to 10Synchronous precursor isolation, up to 20 precursors per MSn scanMultiplexing using the ion routing multipoleUp to 10 precursors per scan using the quadrupole mass filterPolarity switching:full cycle in < 1.1 s (one full scan in positive mode and one full scan in negative mode at a resolution setting of 30,000)ETD efficiency: ETD fragmentation efficiency of >15% (infusion of 1 pmol/μL angiotensin at 3 μL/min)refurbished, incl. forepump, control computer, LED monitor(HPLC / UPLC / nanoLC optional upon request)