Description

The different Silica-Based packing types listed below offer different results for different samples. If you need assistance in selecting the best packing for your application, please contact us and we will be happy to discuss your needs. Ionic Exchange COOH Carboxylic Acid Ion Exchange Capacity – 0.3 meq/gm 40µm irregularly-shaped silica, 60 Angstrom mean porosity. The primary retention mechanism is weak cation exchange with typical sample matrices of water and biological fluids.