PRE-CONFIGURED GCs
Mud-logger
General Operating Procedure continued
8. Enteran isothermal temperatureprogram in theTemperature
Programdialogbox. Forexample:
InitialTempHold Ramp FinalTemp
180
o
C
15.00 0.00 180
o
C
10. Start theanalysisbypressing thespacebaronyourcomputer
keyboard,orbypressing theRUNbuttonon thefrontof theGC.
11. In PeakSimple, input the retention windows (“Add
component”) to identify the individualhydrocarbonpeaks(methane,ethane,propane,butane,etc.)Calibrate
the individualhydrocarbonpeaks.
NOTE:
TheMud-loggerGCsystem isplumbed forbackflush.Thisgivesyou theoption toset thevalve
program tobackflush theheavierhydrocarbonsafter thedesiredpeakshavebeenseparated.Forexample, if
yourapplicationrequiredseparationofhydrocarbonsup toC
5
,youcouldset thevalve tobackflushafter the
elutionof theC
5
component(s),andall theheavierhydrocarbonswould togetherproduceone largepeak.See
the“ExpectedPerformance:ColumnBackflush toFID#1”page.
9. Type inanEvent table. Example:
Time Event
0.00 Zerosignal
0.050 GON
4.00 GOFF
7. InPeakSimple,open theChanneldetails
dialogboxforchannel2.TheDataloggermode
areaisinthelowerrightcorneroftheChannel
detailsdialogbox.Click in thecheckbox to
activateDataloggermode, thenenter thegain
factorwhichwillmultiplythe300millivoltsignal
toproduce thedesiredconcentrationunit.For
example:
300x .33=100 if thedesiredunit is
percent;or
300x3333=1,000,000 if thedesired
unitispartspermillion(ppm).
TheFID#2signal times thegain factorwill
display in thechannel2chromatogramwindow.
Event table
