The Shodex Asahipak C8P-50 5µm 250Å series are columns for reversed phase chromatography and packed with Polyhydroxymethacrylate spherical porous particles that have C8 (Octyl) bonded to the surface. These columns are compatible with not only water (H2O) or polar organic solvents, but also the wide pH range between 2 to 13.