Particle Size:3 µm pH Range:2 to 8 Pore Size:200 Å Mode of Separation:Reversed Phase Diameter:4.6 mm Length:150 mm (075718), 250 mm (075719) Column Type:Reversed-Phase Stationary Phase:Acclaim C30 Packing Material:Spherical, fully porous ultrapure silica End Capping:Proprietary