HPLC Part: 00A-4443-B0 Gemini® 3 µm C6-Phenyl 110 Å, LC Column 30 x 2 mm, Ea Recomended Use: Separation of aromatic, polar, or basic compounds under high pH conditions Separation Mode: Reversed Phase Solid Support: Fully Porous Organo-silica Format: Column USP Designation: L11.