Column Dimension : 50mm L X 2.1mm ID Stationary Phase : PHENYL USP Designation : L11 Particle size(µm) : 3 Pore Size(Å) : 3 Pore Size(Å) : 120 Surface area(m2/g) : 322 Pore volume(ml/g) : 1.07 Carbon Load(%) : 9.3 pH range : 2.0-8.0.