Sartorius offers a broad range of ultrafiltration membrane discs for sample concentration in your stirred cells. You can choose from membrane discs from 13 mm to 300 mm in diameter, pore sizes from 1 to 300 kilodaltons and three different membrane materials depending on the application.
Polyethersulfone (PES):
General pupose membrane that provides excellent performance and are usually preferred for their low fouling characteristics, exceptional flux and broad pH range.