adsorption column separation的用法和样例：
- Silica gel column separation method and spectrophotography were used to determine the content of urson in the preparation.
- Phosphatidyl choline of high purity (PC content 96.2%) was prepared from commerial soybean powder phospholipids (PC content 40.0%) by coordination adsorption column chromatography (CACC).
- The principle of EPC has been introduced herein, and its application whereto sample injection and column separation was demonstrated on the analysis of pesticides by GC/MS.
- By using a non-polar column separation, the equilibrium conditions for the determination of residual solvents in edible vegetable oils by headspace gas chromatography (HSGC) have been developed.