| abstract |
An amine separation method using liquid chromatography, according to the present invention, wherein a separating agent, in which a ligand having a crown ether-like cyclic structure is supported on a carrier, is used as a stationary phase, and a mobile phase containing an aqueous solution of one or more salts of hydrophobic anions selected from the group consisting of salts of chaotropic anions and salts of hydrophobic organic acids is used. |