Figure 28. Esi Source Dialog Box - Thermo Scientific LTQ Series Hardware Manual

4
Daily Operation
After Operating the LTQ Series System
50 LTQ Series Hardware Manual
g. Click OK.
h. Go to step 6.
5. To flush the ESI source:
a. Choose Setup > ESI Source to open the ESI Source dialog box

Figure 28. ESI Source dialog box

b. In the Sheath Gas Flow Rate (arb) box, enter 30.
c. In the Aux Gas Flow Rate (arb) box, enter 5.
d. In the Sweep Gas Flow Rate (arb) box, enter 0.
e. In the Spray Voltage (kV) box, enter 0.
f. Click OK.
6. To set up and start a flow of 50:50 methanol/water solution from the LC system to the
API source:
a. Choose Setup > Inlet Direct Control to open the Inlet Direct Control dialog box.
The Xcalibur data system controls the LC pumps from several manufacturers
including Thermo Fisher Scientific Inc., Agilent™ Technologies, and Waters™
Corporation. Contact your Thermo Fisher Scientific sales representative for
information about the liquid chromatography systems compatible with the
LTQ Series mass spectrometer.
b. Click the LC Pump tab.
c. Set the solvent proportions to 50% methanol and 50% water.
d. Start the solvent flow.
(Figure 28).
Thermo Scientific