Column Dimension : 200mm L X 4.6mm ID Stationary Phase : PHENYL USP Designation : L11 Particle size(µm) : 10 Pore Size(Å) : 10 Pore Size(Å) : 120 Surface area(m2/g) : 309 Pore volume(ml/g) : 1.08 Carbon Load(%) : 9 pH range : 2.0-8.0.