Special silica phase for SPE enrichment of drugs from urine or plasma
Features
- Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g, pH stability 2–8 special bifunctional modification - C8 / SA (strong cation exchanger – benzenesulfonic acid)
Recommended application: enrichment of acidic, neutral and basic drugs from urine or plasma