174 Maintaining Your GC
8 Maintaining the FID
To Check the FID Baseline
1 With the column installed, load your checkout method.
2 Set the oven temperature to 35 °C.
3 Using the software keyboard, press [Front Det] or [Back Det],
then scroll to Output. Alternately, use the arrows keys on the
GC to scroll to Output.
4 When the flame is lit and the GC is ready, verify that the
output is stable and < 20 pA.
If the output is not stable or > 20 pA, the system or gas may
be contaminated. If this contamination is isolated to the
detector, then bakeout the FID. (See “To Bakeout the FID” on
page 178.)
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