Separating Behaviors of Heavier Rare Earth Metal Ions in Centrifugal Partition Chromatography with Di(2-Ethylhexyl) Phosphoric Acid

Takeo Araki Department of Polymer, Science and Engineering Kyoto Institute of Technology, Matsugasaki, Kyoto, 606, Japan

Hideaki Asai Department of Polymer, Science and Engineering Kyoto Institute of Technology, Matsugasaki, Kyoto, 606, Japan

Hisanori Ando Department of Polymer, Science and Engineering Kyoto Institute of Technology, Matsugasaki, Kyoto, 606, Japan

Nobuo Tanaka Department of Polymer, Science and Engineering Kyoto Institute of Technology, Matsugasaki, Kyoto, 606, Japan

Kazuhiro Kimata Department of Polymer, Science and Engineering Kyoto Institute of Technology, Matsugasaki, Kyoto, 606, Japan

Ken Hosoya Department of Polymer, Science and Engineering Kyoto Institute of Technology, Matsugasaki, Kyoto, 606, Japan

Hiroshi Narita Department of Polymer, Science and Engineering Kyoto Institute of Technology, Matsugasaki, Kyoto, 606, Japan

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Abstract

The separating behaviors of SmCl₃, EuCl₃, GdCl₃, TbCl₃, DyCl₃, HoCl₃, ErCl₃, TmCl₃, YbCl₃, and LuCl₃ in Centrifugal Partition Chromatography with the stationary phase containing a separator, Di(2-ethylhexyl) phosphoric acid (D2EHPA), are examined. The separation trends of these heavier rare earth metal ions were found to be almost as expected from the observations reported for the lighter rare earth metal ions. And the separator is also useful for mutual separation of these heavier rare earth metal ions.

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Separating Behaviors of Heavier Rare Earth Metal Ions in Centrifugal Partition Chromatography with Di(2-Ethylhexyl) Phosphoric Acid

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Separating Behaviors of Heavier Rare Earth Metal Ions in Centrifugal Partition Chromatography with Di(2-Ethylhexyl) Phosphoric Acid

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