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Pesticides of U.S. EPA Method 505 on Rtx-CLPesticides and Rtx-CLPesticides2

GC_EV01004
Peaks
1.Hexachlorocyclopentadiene
2.Hexachlorobenzene
3.Simazine
4.Atrazine
5.γ-BHC
6.Heptachlor
7.Alachlor
8.Aldrin
Peaks
9.Heptachlor epoxide
10.trans-Chlordane*
11.trans-Nonachlor
12.cis-Chlordane*
13.Dieldrin
14.Endrin
15.cis-Nonachlor
16.Methoxychlor
* For information regarding the nomenclature used for cis-chlordane and trans-chlordane, visit www.restek.com/chlordane-notice
ColumnsRtx-CLPesticides 30 m, 0.32 mm ID, 0.32 µm (cat.# 11141)
and Rtx-CLPesticides2 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324)
using Rxi guard column 5 m, 0.32 mm ID (cat.# 10039)
with deactivated universal “Y” Press-Tight connector (cat.# 20405-261)
Sample200 ng/mL 505 organohalide pesticide mix (cat.# 32024)
4.2 µg/mL simazine (cat.# 32236)
4.2 µg/mL atrazine (cat.# 32208)
Diluent:Methanol
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.:90 °C (hold 1 min) to 310 °C at 10 °C/min (hold 5 min)
Carrier GasHe, constant flow
Linear Velocity:40 cm/sec
DetectorMicro-ECD @ 325 °C
InstrumentAgilent/HP6890 GC
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.