Polymeric packed column for organic SEC (GPC) analysis. Base material is styrene divinylbenzene, fulfills USP L21 requirements. Target molecular weight range: 1,000-50,000 Da. Shipping solvent is DMF (dimethylformamide) and can be replaced with a limited number of other solvents including toluene, xylene, and DMF but NOT chloroform or THF.
500A pore size, exclusion limit 70,000 Da. Guard column KD-G 4A recommended, part number 220-91524-09 with coupler 220-91209-08.