Column Dimension : 75mm L X 4.6mm ID Stationary Phase : PHENYL USP Designation : L11 Particle size(µm) : 5 Pore Size(Å) : 5 Pore Size(Å) : 120 Surface area(m2/g) : 340 Pore volume(ml/g) : 1.07 Carbon Load(%) : 8.8 pH range : 2.0-8.0.