Gas Chromatography - GC Columns > Column Packing > Page 25
The column temperature was 78.6˚C, and the column packing 2.5w/w Apiezon Oil on C22 firebrick 100-120 mesh. The column diameter was 2 mm, the inlet pressure 200 p.s.i., and the column efficiency 30,000 theoretical plates. The argon detector was used and the sample weight was 20 mg.
Figure 12. Chromatogram from a 50 ft Column Showing the Separation of the Isomeric Heptanes and Octanes