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Restek Capillary Column Installation Guide

Figure B: Hydrogen provides similar resolution in one-half the analysis time of helium for an isothermal analysis.
Component list:
1. tetrachloro-m-xylene
2. alpha-BHC
3. beta-BHC
4. gamma-BHC
5. delta-BHC
6. heptachlor
7. aldrin
8. heptachlor epoxide
9. gamma-chlordane
10. endosulfan I
11. alpha-chlordane
12. dieldrin
13. DDE
14. endrin
15. endosulfan II
16. DDD
17. endrin aldehyde
18. endosulfan sulfate
19. DDT
20. endrin ketone
21. methoxychlor
Run Conditions:
30m, 0.25mm ID, 0.25µm Rtx®-5 (cat.# 10223)
0.1µl split injection of chlorinated pesticides

Oven temp: 210°C isothermal
Inj./Det. temp: 250°C/300°C
Linear velocity: hydrogen = 40 cm/sec.,
helium = 20 cm/sec.
ECD sensitivity: 512 x 10-11 AFS
Split vent flow: 100cm3/min.
Restek Capillary Column Installation Guide