DETECTORS
Flame Photometric Detector - FPD
Expected Performance
Sample:1µL10ppmmalathion
Column:15mMXT-1
Carrier:helium@10mL/min
FPDPMTvolts: -400
FPDH
2
:30mL/min
FPDair:100mL/min
FPD temp:250
o
C
FPD Phosphorus
FPDNoiseRun
(FID/FPDCombo)
Column:15mMXT-1
Carrier:Helium@10mL/min
FPDgain:HIGH
FPD temp:150
o
C
FPDPMTvolts: -400
FPDH
2
:60mL/min (30mL/min foreachof
the twohydrogen flows)
FPDair:100mL/min
FPDSulfur
(FID/FPDCombo)
Sample: 1cc 10ppmH
2
S in 3 replicate
injections to demonstrate the
consistency of the FPD response
Column: 15mMXT-1
Carrier: Helium@ 10mL/min
FPD gain: HIGH; FPD temp: 150
o
C
FPDPMTvolts: -400
FPDH
2
: 60mL/min (30mL/min for each of the
two hydrogen flows)
FPD air: 100mL/min
Temperature Program:
Initial
Hold Ramp Final
60
o
C 60.00 0.00 60
o
C
Results:
Component Retention Area
Malathion 4.916 2819.0520
FPD noise averages less than 100µV
frompeak topeak
TemperatureProgram:
Initial
Hold Ramp Final
225
o
C 10.00 0.00 225
o
C
Results:
Component
Retention Area
Hydrogen Sulfide 6.550 5216.6680
Hydrogen Sulfide 7.533 4828.8710
Hydrogen Sulfide 8.516 4810.5420
Total 14856.0810
