18 Maintenance and Inspection
18.6 Inspection and Maintenance: Graphite Ferrule
298
GC-2010 Plus
Q Preparing the gas chromatograph
If the system is operating, press the [SYSTEM] key and select [Stop GC] (PF menu). The
temperature of the injection port , the column oven and detector automatically decrease.
Press the [MONIT] key, and ensure that the temperature of the injection port, the detector
and the column oven are 50 °C or less.
Press the [FLOW] key, and select [Off] (PF menu). The injection port/detector inspection/
maintenance can begin.
Q Conditioning the graphite ferrule
If a contaminated graphite ferrule is causing problems, condition the graphite ferrule using
this procedure.
Condition the graphite ferrule just before using the system if possible. Otherwise, the ferrule
may become re-contaminated.
Hold the graphite ferrule in the blue flame of a gas burner for 1 to 2 seconds until that it
becomes red hot.
Fig. 18.6.2 Conditioning the graphite ferrule
CAUTION
Do not get burned when holding the graphite ferrule.
Graphite ferrule
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