Waters XSelect CSH Phenyl-Hexyl Sentry Guard Cartridge, 130Å, 3.5 µm, 4.6 mm X 20 mm, 2/pkg - 186005374

XSelect CSH Phenyl-Hexyl columns provide you with alternative analyte selectivity compared to traditional reversed-phase columns and are a valuable tool for method development. The trifunctionally bonded C6 phenyl-ligand is a robust, low bleed sorbent that selectively retains polyaromatic compounds through pi-pi interactions.