ProElut PSA sorbent contains two different amino groups, one primary and one secondary. It gives comparatively higher pKa and ionic capacity relative to ProElut™ NH2. The PSA sorbent is an excellent choice for extracting polar compounds from non-polar solvents. The compounds that are retained too strongly on a NH2 sorbent can be effectively eluted on a PSA sorbent. In addition, the PSA functional group is a very effective bidentate ligand in chelation applications
◆ Overview
| Base material | Spherical silica, Particle Size: 50 μm, Pore Size: 60 Å, Specific Surface Area: 500 m2/g |
| Functional group | .png) |
| Endcapping | No |
| Carbon loading | 8.5% |
| Retention mechanism | Normal phase or weak anion exchange |
| Application | Extract polar compounds from non-polar matrix Remove polar hydrocarbons, organic acids, and phenols in extracts Separate compounds with very similar structures (isomers) |
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