These cartridges contain the Oasis® WCX sorbent, which is a polymeric reversed phase, weak ion exchange mixed mode sorbent that has been optimized for fast, simple, and highly selective sample preparation of strong basic compounds and quaternary amines.

• Water wettable
• 60 µm particle size is recommended when working with viscous samples

These syringe-barrel-type cartridges are designed for use with vacuum manifolds and automated SPE instruments.