Particle Size:2.2 µm Pore Size:120 Å Flow Rate:0.25 to 0.75mL/min. Diameter:2.1 or 3 mm (Varies with model) Length:100 or 150 mm (Varies with model) Particle Shape:Spherical Column Type:Specialty / Carbonyl Mode of Separation:Speciality / Application Specific Packing Material:Spherical, fully porous ultrapure silica End Capping:Yes Stationary Phase:Acclaim Carbonyl