Shodex KW405-4F, 5um, 4.6 x 300mm LC Column

Silica-based column suitable for aqueous SEC (GFC) analysis of proteins and enzymes over a wide range of molecular weight, and with 3-4x higher sensitivity than the KW-8xx series. Fulfills USP-NF, L20, L33, and L59 requirements. Target molecular weight range: 200,000 - (est.) 20,000,000 Da. Shipping solvent is water, usable pH range 3.0 to 7.5. 2,000A pore size, exclusion limit 20,000,000 Da (estimated). Guard column KW400G-4A is recommended, part number 220-91668-07 with coupler 220-91524-97.