The KF-803 is a standard GPC column for analysis with THF mobile phase. Fulfills USP-NF L21 requirements. Base material: Styrene divinylbenzene copolymer. Shipping solvent: THF, can be converted to other solvents such as Chloroform, Toluene, and DMF. Target molecular weight range: 1,000 - 50,000 Da. Guard column KF-G 4A (220-91524-14) and coupler 220-91527-97 are recommended.