Chromatographic separation agent, chromatography column, and chromatographic separation method

摘要

Provided is a separating agent for chromatography having universally exceptional separation performance in terms of selectivity, retention strength, and the like. This separating agent for chromatography comprises a porous substrate that is surface-modified by a silane functional group including an aromatic ring modified by a diamine, the aromatic ring being interposed between the porous substrate and the diamine.