Asahipak ODP-50 is a microparticulate, macroporous polyvinylalcohol based polymeric packing. Designed for analysis of basic substances. Asahipak ODP-50 columns provide high separation efficiency with buffered and alkaline solutions at high pH. These polymeric columns can be used up to pH 13 with a variety of solvents with minimal mechanical swelling or shrinkage. Asahipak ODP-50 is offered in Agilent's convenient cartridge column configuration.