Column Dimension : 200mm L X 4.6mm ID Stationary Phase : AMINO PROPYL SILANE USP Designation : L8 Particle size(µm) : 3 Pore Size(Å) : 3 Pore Size(Å) : 120 Surface area(m2/g) : 312 Pore volume(ml/g) : 1 Carbon Load(%) : 4.8 pH range : 2.0.