Versatile Weak Anion Exchange Mixed-Mode SPE for Acidic CompoundsThe CleanX WAX (Weak Anion Exchange) SPE Cartridges feature a polymeric mixed-mode sorbent engineered for the retention and purification of strongly acidic analytes from biological, environmental, and food matrices.Designed for wide pH stability (0–14), CleanX WAX offers a balanced combination of ion-exchange and hydrophobic interactions, ensuring consistent extraction efficiency across a variety of sample types.These cartridges are ideal for method development, LC-MS/MS workflows, and bioanalytical applications, providing clean extracts, high recovery, and excellent reproducibility.