POPULARCONFIGURATIONGCs
CryosulfurGC
ExpectedPerformance
The following chromatograms were generated by an SRI
CryoSulfur GC. The first chromatogram shows the FPD
rsponse to 10ppb hydrogen sulfide (H
2
S), as enriched by
theCryoCooler at -10
o
C. The secondchromatogram shows
the FID response to 1000ppmC
1
-C
6
hydrocarbons.
Sample: 1000ppmC1-C6
Column: 60-meterMXT-1
Carrier:heliumat10mLs/minute
FID gain: HIGH
FID temperature: 150
o
C
FID ignitor: -400
Column oven temperature program:
Initial
Hold Ramp Final
40.00 3.00 10.00 140.00
Results:
Component
Retention Area
Methane/ethane 2.116
2077.6740
Propane
2.383
1905.1160
Butane
3.183
2378.4140
Pentane
5.050
2326.9040
Hexane
8.050
1567.5950
Total 10255.7030
Column oven temperature program:
Initial
Hold Ramp Final
40.00 3.00 10.00 120.00
Results:
Component Retention Area
H2S
3.596 65.5820
Event Table:
Time Event
0.000 Zero baseline
0.050 DOFF (vacuum pump)
0.100 AOFF (CryoCooler)
0.200 FON (trap heat)
2.000 GON (valve INJECT)
3.000 FOFF (trap heat)
3.100 GOFF (valve LOAD)
7.000 AON (CryoCooler)
10.000 DON (vacuum pump)
Sample: 10ppbH2S
Column: 60-meterMXT-1
Carrier:heliumat10mLs/minute
Vacuum pump: 20mLs/minute
Trap: -10
o
C
FPD gain: HIGH
FPD temperature: 150
o
C
FPD volts: 500
