Stereo selectivity

Compared to either monomeric type (5C18-MS-II) or other polymeric type(5C18-AR-II) octadecyl (ODS) columns, COSMOSIL® 5C22-AR-II displayes improved stereo selectivity.


1 ) Separation of steroids

Compared with C18 type, COSMOSIL® 5C22-AR-II shows superior separation of fat-soluble compounds; steroids and carotenes.


2 ) Separation of carotenes