Extracting strong bases


WCX sorbent is composed of monodisperse microporous polystyrene-divinylbenzene resin particles grafted with carboxyl groups. This polymeric mixed-mode sorbent features reversed-phase and weak cation exchange retention mechanisms, allowing for superb retention for strong bases such as quaternary ammonium cations.



  • Superb retention for strong bases
  • Predictable single retention mechanism
  • Stable from pH 1 to 14, compatible with common solvents



Surface area: 600 m 2/g
Particle size: 40 μm
Pore size: 300 Å



  • Analysis of strong basic drugs in biological matrices
  • New drug discover

WCX SPE Cartridges


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