Column, LC, Shodex GPC KF-800D, Guard Column 10um, 8.0 x 100mm. The KF800 series is a standard organic solvent SEC (GPC) column that supports a wide range of applications from low to high molecular weight compounds. These columns fulfill USP L21 requirements. The shipping solvent is THF. The base material is Styrene divinylbenzene copolymer.