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6
Vacuum System
CI Calibration Valve
The CI calibration valve is part of the reagent gas flow control module supplied
with the optional chemical ionization ion source. The CI calibration valve is an
electromechanical valve with a vial to hold the tuning compound. (See
Figure
opens automatically during CI autotune or manual tuning, allowing the tuning
compound, perfluoro-5,8-dimethyl-3,6,9-trioxidodecane (PFDTD), to diffuse
through the GC/MS interface and into the ion source.
Figure 22.
112
22.) It is controlled by the Agilent MassHunter Workstation software. It
CI calibration valve
7250 Accurate-Mass Q-TOF Troubleshooting and Maintenance Manual
CI Calibration valve
CI Calibration vial
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Troubleshooting
