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Detector Systems
Flame ionization detector (FID)
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Flame ionization detector (FID)
Inlet
H
2
Inlet
FID Collector
Assembly
Jet
Flame Ionization Detector (FID)
Figure 7-1
The flame ionization detector (FID) responds to compounds that produce
ions when burned in a H
•airflame. These include all organic
compounds, although a few (e.g., formic acid, acetaldehyde) exhibit poor
sensitivity.