MODIFIED AND CONVENIENT PREPARATION OF SILICA IMPREGNATED WITH SILVER NITRATE AND ITS APPLICATION TO THE SEPARATION OF STEROIDS AND TRITERPENES

摘要

Modified and convenient procedures are reported for the preparation of flash columns and thin-layer chromatographic plates using silica impregnated with silver nitrate. The application of this adsorbent to the separation of steroids and triterpenes is also reported. [References: 23]