Within the past several years the application of silicic acid to the chromatographic fractionation of simple and complex lipides has received increased attention. In particular this adsorbent has been used in the separation of phospholipides by McKibbin (I), Lea et aE. (Z), and Hanahan et al. (3). As shown by Borgstrom (4), who used model lipide compounds, and Fillerup and Mead (5), who employe...
