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Pesticides & Herbicides U.S. EPA Method 508.1 Rtx-CLPesticides & Rtx-CLPesticides2

ColumnsRtx-CLPesticides2 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324)
and Rtx-CLPesticides 30 m, 0.32 mm ID, 0.32 µm (cat.# 11141)
using Rxi guard column 5 m, 0.32 mm ID (cat.# 10039)
with deactivated universal “Y” Press-Tight connector (cat.# 20405-261)
Sample50 ng/mL 508.1 calibration mix #1 (cat.# 32094)
100 ng/mL 508.1 calibration mix #2 (cat.# 32095)
100 ng/mL 508.1 calibration mix #3 (cat.# 32096)
50 ng/mL pentachloronitrobenzene (cat.# 32091)
250 ng/mL 4,4'-dibromobiphenyl (cat.# 32092)
500 ng/mL atrazine (cat.# 32208)
500 ng/mL simazine (cat.# 32236)
Diluent:Ethyl acetate
Injection
Inj. Vol.:2 µL splitless (hold 0.75 min)
Liner:Cyclo double taper (4 mm) (cat.# 20896)
Inj. Temp.:250 °C
Oven
Oven Temp.:80 °C (hold 0.5 min) to 155 °C at 19 °C/min (hold 1 min) to 210 °C at 4 °C/min to 310 °C at 25 °C/min (hold 0.5 min)
Carrier GasHe, constant flow
Linear Velocity:26 cm/sec
DetectorMicro-ECD @ 325 °C
NotesThis chromatogram was obtained using an Agilent micro-ECD. To obtain comparable results, you will need to employ a micro-ECD in addition to confirmational dual columns connected to a 5-meter guard column using a “Y” Press-Tight connector.