1. Connect thecalibrationgasstandard to thesample inletat10psi.
2. Set theValveOven temperature to90
o
C.
3. Ignite theFID.
4. Setan isothermalColumnOven temperatureprogramasfollows:
InitialTemp Hold Ramp FinalTemp
200
o
C
5.00 0.00 200
o
C
5. Type inaneven tableasfollows:
Time
Event
0.00
Zero
0.050
GON
1.5
GOFF
6. Set theFIDgain toMEDIUM.
7. Start theanalysisbyhitting thespacebaron thecomputerkeyboard.
8. InPeakSimple, input theretentionwindows to identify the individualhydrocarboncomponents(methane,
ethane,propane,butane,etc).
9. Calibrate the individualhydrocarbonpeaks.
10. This instrument isplumbed forbackflush. Thisgives theuser theoption toset thevalveprogram to
backflush theheavierhydrocarbonsafter thedesired peakshavebeenseparated. For instance, ifyour
application requiredseparationofhydrocabonsup toC
5
,youcouldset thevalve tobackflushafter the
elutionof theC
5
component(s),andall theheavierhydrocarbonswould togetherproduceone largepeak.
General Operating Procedure Part 2:
Speciated Hydrocarbons Using the FID Detector
POPULAR CONFIGURATION GCs
Mud-Logger
