Cleanert PRS SPE sorbent is a silica gel based strong cation exchanger. This sorbent, consisting of a propane sulfonic acid, has slightly less exchange capability than SCX. It can be applied to the extraction of weak cations, such as pyridine, with high recovery.
Based on Spherical Silica;
Average Particle Diameter: 50 μm;
Average Pore Size: 60 Å;
Specific Surface Area: 600 m2/g
The Ion Exchange Ability: 0.3 meq/g.