HPLC Retention Behavior of Poly-Aromatic-Hydrocarbons on Aminopropyl Silica Gels Modified with Cu(II)- and Ni(II)-Phthalocyanine Derivatives in Non-polar Eluent

概要

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A comparative study was conducted to elucidate the mechanism underlying the separation of poly-aromatichydrocarbons (PAHs) and related compounds thereof on a column packed with silica gels modified with Ni(II)-or Cu(II)-phthalocyanine derivatives (PCS) (Ni- or Cu-PCSD column) and commercially available PYE^[○!R] and NPE^[○!R] columns with a non-polar eluent, such as n-hexane. It has been revealed that the dominant interaction responsible to the separation of PAHs on the Cu-PCS_D and the PYE^[○!R] columns with n-hexane is the π-π interaction; however, in the separation of PAHs having 4 rings such as pyrene on the Ni-PCS_D column, participation of π-d interaction was indicated. The predominant role of π-π interaction in the separation of PAHs of less than three rings on the Ni-PCS_D column was demonstrated using anthracene. All the columns possessed planar recognition ability and were estimated to be potentially useful in the separation and the analysis of PAHs.
公益社団法人日本薬学会の論文
2004-01-01