ProPac WAX-10 9X250MM Weak and strong anion anion-exchange providing unequalled high resolution and efficiency in the separations of protein variants • High-efficiency, high-resolution separations • Useful for characterization and quality control assessment of closely-related protein variants • Supports separation of proteins that differ by as little as one amino acid residue • Neutral hydrophilic coat that eliminates protein-resin hydrophobic interactions • Superior lot-to-lot and column-to-column reproducibility • ProPac WAX-10 column contains a tertiary amine functional group and ProPac SAX-10 contains a quaternary amine functional group