Thermo Fisher Scientific LTQ XL™ Linear Ion Trap Mass Spectrometer

Mass Accuracy

Turbo: 1.5 Da
Normal: 0.15 Da
Enhanced: 0.15 Da
Zoom: 0.15 Da
Ultrazoom: 0.15 Da

Resolution

0.15 FWHM
0.3 FWHM
0.45 FWHM
0.7 FWHM
3 FWHM

Sensitivity

• Heated Electrospray Ionization (HESI)


• Loop injection: 2 μL of 125 fg/μL Reserpine solution


• Total sample: 250 femtograms


• Minimum S/N ratio: 100:1

Speed

Turbo: 125,000 Da/sec
Normal: 16,667 Da/sec
Enhanced: 5,000 Da/sec
Zoom: 1,111 Da/sec
Ultrazoom: 28 Da/sec
MSn for n = 1 through 10
Polarity Switching <100 msec between positive and negative MS Scan

Dynamic Range

Under typical experimental conditions, at least four and a half (4.5) orders of magnitude