Download 0340 Electron Capture Detector (ECD)

Electron Capture Detector (ECD)
Theory of operation
340
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.
Pressure
regulator
Anode
purge and
makeup
gas in
On/off
solenoid
valve
Restrictors
Vent
63
Ni plating
On/off
solenoid
valve
Figure 340-3
Jun 2001
Restrictors
Capillary adapter
Manual ECD flow diagram
Detectors
Agilent 6890 Gas Chromatograph Service Manual
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