The Cogent UDC-Cholesterol™ is bonded directly to the TYPE-C™ silica hydride surface with a direct silicon-carbon bond.

The many advanced features of the Cogent UDC-Cholesterol column produces a very stable, efficient and unique HPLC column that operates in reverse phase, normal phase and or aqueous normal phase and will solve many difficult separation problems for you.

Advantages
Better Lot to Lot Consistency, More uniform bonding with Silicon-Carbon bonds, isocratic mobile phases more effective, less need for mobile phase additives. Highly stable in pH extremes, high temperature resistant and extremely low silanol activity.