Cleanert PSA SPE is similar to Cleanert® NH2. It has two amino groups with pKa = 10.1 and 10.9, respectively. This sorbent is an anion exchanger slightly stronger than Cleanert NH2. It can be used for the extraction of metal ions by chelating interactions. It is also commonly used to remove organic acids, pigments and metal ions from organic samples such as vegetables and fruits.
Based on Irregular Silica;
Average Particle Diameter: 40-60 μm;
Average Pore Size: 60 Å;
Specific Surface Area: 480 m2/g.