Welcome to the New Restek.com! Take a tour of the new site and feel free to send us your feedback.
Your web browser will no longer be supported by Restek.com as of 30 June 2021.
To avoid any interruption in access or functionality, install a current-generation web browser now. Learn more.

Fast Dual Column Analysis of Organochlorine Pesticides (EPA Method 8081) Using a GC Accelerator Kit and Rtx-CLPesticides and Rtx-CLPesticides2 Column Set

GC_EV1498
ColumnsRtx-CLPesticides 30 m, 0.32 mm ID, 0.32 µm (cat.# 11141-051)
and Rtx-CLPesticides2 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324-051)
using Rxi guard column 5 m, 0.32 mm ID (cat.# 10039)
with universal angled “Y” Press-Tight connector (cat.# 20403-261)
SampleOrganochlorine pesticide mix AB #2 (cat.# 32292)
Pesticide surrogate mix (cat.# 32453)
Diluent:n-Hexane
Injection
Inj. Vol.:2 µL splitless (hold 0.3 min)
Liner:Topaz 4.0 mm ID single taper inlet liner w/wool (cat.# 23303)
Inj. Temp.:250 °C
Purge Flow:40 mL/min
Oven
Oven Temp.:120 °C (hold 0.3 min) to 200 °C at 60 °C/min to 230 °C at 25 °C/min to 320 °C at 35 °C/min (hold 1.5 min)
Carrier GasH2, constant flow
Linear Velocity:90 cm/sec
DetectorMicro-ECD @ 330 °C
Make-up Gas Flow Rate:60 mL/min
Make-up Gas Type:N2
Data Rate:50 Hz
InstrumentAgilent 7890A GC
NotesA GC Accelerator oven insert kit (cat.# 23849) was installed in the instrument to speed up analysis. The analytical columns were custom products that were not on cages. This customized format can be obtained from Restek simply by ordering the standard column catalog number and specifying “-051” under special instructions.