Fig. 17.
Van Deemter plots demonstrating effect of flow velocity of carrier gas on HETP of a silica-based monolithic column for ethane (1), propane (2), 2-methylpropane (3), and butane (4) (Reprinted from ref. [74]. Copyright 2006 Springer). Column 115 cm × 100 μm I.D., carrier gas helium, temperature 60 °C.