The AxION 2 TOF MS instrument is available with a choice of patented ion sources including dual probe Ultraspray™ 2 ESI or Field-Free Atmospheric Pressure Chemical Ionization (APCI). With its exact mass capabilities, AxION 2 TOF MS is the ideal tool for identification of unexpected compounds in your samples, providing a high level of resolution and mass accuracy -- consistently, day after day. The wide dynamic range allows accurate isotopic ratio and quantitation capabilities over a wide range of concentrations.

 Performance

Mass Range 18-12,000 m/z

Mass Measurement Accuracy ≤ 2 ppm at 1,000 m/z with internal mass calibration

Max Acquisition Rate ≤ 20,000 spectra/sec. Acquired spectra are summed to generate a mass spectrum saved to disk at ≤70 spectra/sec

Resolution ≥ 12,000 FWHM at 922 m/z

Linear Dynamic Range 10⁵

Sensitivity

ESI(+) S/N≥40:1  1 pg/µl reserpine @ 400 µl/min MeOH/H₂O

ESI(–) S/N≥50:1  2 pg/µl p-nitrophenol @ 400 µl/min MeOH/H₂O

Ion Sources

Ultraspray ESI 0.004-1.4 ml/min

Ultraspray2 ESI 0.004-1.4 ml/min

Field-Free APCI 0.05-1.5 ml/min

Operation/Other

Vacuum Stages 5 stages

Turbo Pump 10/30/200/400 L/sec

Roughing Pump Edwards®

 E2M28

Operating Temperature 16 ºC-26 ºC

Footprint 40.6 x 76.8 x 152.4 cm (16 x 30 x 60 in) with ion source extending 7.6 cm (3 in) from front panel

Power Required 220-240 V (50-60 Hz)