The classic reversed-phase column, Ascentis C18 is suitable for any method that specifies a C18-type column. Its high surface area gives Ascentis C18 strong hydrophobic retention and high loading capacity for preparative applications. - See more at: http://www.sigmaaldrich.com/analytical-chromatography/hplc/columns/ascentis-hplc-columns/c18.html#sthash.JmBoRkEZ.dpuf