Sartorius Vivaspin 15 R Centrifugal Concentrators, PES Membrane 30,000 Da; 12/Pk

This product has a modified regenerated cellulose membrane specially designed for ''sticky'' samples. This membrane has ultimate recovery at low adsorption (95 to 98%) and very small hold up volume (<20 and micro;l). Ideal for desalting and concentration of Ig fractions. Broad range of process alternatives for the filtration and concentration of biological samples Disposable ultrafiltration devices concentrate and purify biological samples to concentrations over 100x in a single spin! Concentrators feature twin vertical membranes€"increased surface area provides faster filtration Polyethersulfone membrane is excellent for most solutions when recovery is most important.