Matrix | Silica Gel |
---|---|
Function Groups | Benzene Sul-fonic Acid Group |
Endcapped | No |
Carbon Loading | 7.5% |
Material characteristics | Particle Size:40-60 µm Pore Size: 60A Pore Volume: 0.8cm 3/g Surface Area :480m 2/g |
Retention Mechanism | Strong anion -exchange selectivity |
Applications | Extraction of negatively charged sub –stances from water or aqueous solution, especially for the extraction of weak acids such as carboxylic acids, which may not retain effectively on weak anion exchange sorbents. |