Agilent Technologies 6890 Series Service Manual page 290

makeup gas and anode purge flows. The makeup gas line sweeps past the end
of the column and carries the column effluent into the ECD cell.
Anode
purge and
makeup
gas in
Figure 340-3
Jun 2001
Pressure
On/off
regulator
solenoid
valve
On/off
solenoid
valve
Manual ECD flow diagram
Detectors
Agilent 6890 Gas Chromatograph Service Manual
Electron Capture Detector (ECD)
Theory of operation
Restrictors
Restrictors
Capillary adapter
340
Vent
63
Ni plating
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