Innovative Chromatography Products
www.restek.it
www.restek.it
Fast Dual Column Analysis of Organochlorine Pesticides (EPA Method 8081) Using a GC Accelerator Kit and Rtx-CLPesticides and Rtx-CLPesticides2 Column Set
| Peaks | Conc. (ng/mL) | |
|---|---|---|
| 1. | Tetrachloro-m-xylene | 25 |
| 2. | α-BHC | 25 |
| 3. | γ-BHC | 25 |
| 4. | β-BHC | 25 |
| 5. | δ-BHC | 25 |
| 6. | Heptachlor | 25 |
| 7. | Aldrin | 25 |
| 8. | Heptachlor epoxide | 25 |
| 9. | trans-Chlordane | 25 |
| 10. | cis-Chlordane | 25 |
| 11. | 4,4'-DDE | 50 |
| Peaks | Conc. (ng/mL) | |
|---|---|---|
| 12. | Endosulfan I | 50 |
| 13. | Dieldrin | 50 |
| 14. | Endrin | 50 |
| 15. | 4,4'-DDD | 50 |
| 16. | Endosulfan II | 50 |
| 17. | 4,4'-DDT | 50 |
| 18. | Endrin aldehyde | 50 |
| 19. | Methoxychlor | 250 |
| 20. | Endosulfan sulfate | 50 |
| 21. | Endrin ketone | 50 |
| 22. | Decachlorobiphenyl | 50 |
GC_EV1498
| Columns | Rtx-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) | |
| Sample | Organochlorine 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 Gas | H2, constant flow |
| Linear Velocity: | 90 cm/sec |
| Detector | Micro-ECD @ 330 °C |
| Make-up Gas Flow Rate: | 60 mL/min |
| Make-up Gas Type: | N2 |
| Data Rate: | 50 Hz |
| Instrument | Agilent 7890A GC |
| Notes | A 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. |
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