LiChrospher® RP-18 endcapped is a reliable and versatile traditionally produced spherical silica gel carrier with C-18 endcapped reversed phase properties. It is well suited for the separation of neutral, acidic and weak basic compounds. This sorbent is packed into a LiChroCART® 125-4 HPLC cartridge. The connection to the HPLC system is being accomplished by use of the manu-CART® NT cartrige holder (item # 1514190001).