ExpectedPerformance
INJECTORS
OCPTV - On-Column ProgrammedTemperatureVaporization Injector
The followingchromatogram, fromanSRIGCequippedwithanOCPTV injectorandanECDdetector,
demonstrates the low detection levels achievable with the OCPTV.
NOTE:
Depending on the
configuration, yourGCmay have different relay assignments than the examples used here.
Event Table:
Time Event
0.000 Zero signal
0.050 AON (pre-column vent)
0.980 AOFF
1.000 BON (pre-columnheat)
11.000 BOFF
Columnoven temperatureprogram:
Initial
Hold Ramp Final
50.00 1.00 15.00 260.00
260.00 5.00 0.00 260.00
Results:
Component Retention Area
Pesticides 7.590 1864.6387
Sample:1µL5ppbpesticides
mix
Column: 15-meter XLB
0.25mm 0.25µm
Carrier: helium at 20psi
ECD temperature: 300
o
C
ECD current: 200
