Cleanert NH2 products are silica based sorbent bonded with aminopropyl functional group. This sorbent can be used in either normal phase or reversed phase mode. It retains the analytes either by a polar adsorption (from non-polar solution) or by weak anion exchange (from aqueous solution). pKa=9.8.
Based on Irregular Silica;
Average Particle Diameter: 40-60 μm;
Average Pore Size: 60 Å;
Specific Surface Area: 480 m2/g.