Base Material : 2 Series High Purity Silica GelParticle Size : 5 µmSurface Area : 320 m2/gPore Size : 150 Å (15 nm)Pore Volume : 1.20 mL/gFunctional Group: OctylEnd-capping : YesCarbon Loading : 10.5 %USP Code : L7pH Range : 2 - 7.5