TSK-GEL SP-5PW is a strong cation exchanger for biomolecule purification. Its small particle size makes it an excellent choice for polishing and high performance resolution steps. It has the same selectivity as the Toyopearl SP-650 larger particles.
Catalog -- Process Media, Ion Exchange Chromatography
Comparative information for CIEX resins
Scale-up purification of mouse IgG1K
pKa's for Ion Exchange groups