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Restek Capillary Column Installation Guide

Figure C: Hydrogen is slightly faster than helium when operated under the same programmed conditions.
Component list:
1. phenol
2. 2-chlorophenol
3. 2-nitrophenol
4. 2,4-dimethyl phenol
5. 2,4-dichlorophenol
6. 4-chloro-3-methyl phenol
7. 2,4,6-trichlorophenol
8. 2,4-dinitrophenol
9. 4-nitrophenol
10. 2-methyl-4,6-dinitrophenol
11. pentachlorophenol
Run Conditions:
30m, 0.25mm ID, 0.25µm Rtx®-5 (cat.# 10223) 0.1µl split injection of phenols

Oven temp: 50°C (hold 4 min.)
to 250°C @
8°C/min. (hold 5 min.)
Inj. & Det. temp: 280°C
Linear velocity: hydrogen = 40 cm/sec.,
helium = 20 cm/sec.
FID sensitivity: 32 x 10-11 AFS
Split vent: 40cm3/min.
Restek Capillary Column Installation Guide