Expected Performance
ThefollowingchromatogramshowsanNPDnoiserunusingheliumcarriergasandan80degree isothermal
temperatureprogram.
ThischromatogramshowstheNPDresponsetoanisothermalanalysisofa10ppmmalathionsample. Compare
theNPDresponse to the100%hydrocarbonsolventwith theresponse to the10ppmmalathionsample.
Sample:1µL10ppmmalathion
Column:15-meterMXT-5
Carrier:heliumat10mL/min
NPDgain:HIGH
NPD temperature:250
o
C
NPDbeadcurrent: -380
Injector temperature:200
o
C
Temperatureprogram:
Initial
Hold Ramp Final
200
o
C 100.00 0.00 200
o
C
Results:
Component Retention Area
Solvent
0.600 9872.7620
Malathion 9.566 4752.8840
Total 14625.6460
Column:15-meterMXT-5
Carrier:heliumat10mL/min
NPDgain:HIGH
NPD temperature:250
o
C
NPDbeadcurrent: -380
NPDnoiseaveragesapproximately20µV frompeak topeak
20µV
Temperatureprogram:
Initial
Hold Ramp Final
80
o
C 24.00 0.00 80
o
C
DETECTORS
Nitrogen/Phophorus Detector - NPD
