Transcription of The Flame Ionization Detector - UMass Amherst
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The Flame Ionization Detector - UMass Amherst
51422 The Flame Ionization DetectorGeneral InformationFID pneumaticsSpecial considerationsConditions that prevent the Detector from operatingDetector shutdownJetsAutomatic reignition Lit offsetProcedure: Changing the auto-reig-nite setpointElectrometerData ratesProcedure: Using fast peaksOperating the FIDC olumns and TrapsGas pressuresOperating with EPCP rocedure: Using the FIDC heckout Conditions andChromatogramFID checkout conditionsTypical FID checkout chromatogramMaintaining a Flame IonizationDetectorCorrecting FID hardware problemsReplacing or cleaning the jetProcedure: Removing and inspect-ing the jetProcedure: Cleaning the jetProcedure: Installing the jetCleaning the collectorProcedure: Removing the collectorProcedure: Cleaning the collectorProcedure: Reassembling thedetectorProcedure: Replacing the FID ignition wireThe Nickel Catalyst TubeGas flowsTemperatureRepacking the catalyst515515 The Flame Ionization DetectorGeneral InformationThe Flame Ionization Detector passes sample and carrier gas from the column through a hydrogen-air Flame .
The flame ionization detector passes sample and carrier gas from the column through a hydrogen-air flame. The hydrogen-air flame alone creates few ions, but when an organic compound is burned there is an increase in ions produced. A polarizing voltage attracts these ions to a collector located near the flame. The
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