高速液体クロマトグラフィーによる１６種希土類元素の分離

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書誌事項

タイトル別名
  • Separation of sixteen rare earth elements by high performance liquid chromatography
  • コウソク エキタイ クロマトグラフィー ニヨル 16シュ キドルイ ゲンソ ノ

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抄録

Separation of sixteen rare earth elements by high performance liquid chromatography was studied. A 0.4 M α-hydroxy-iso-butanoic acid (a-HIBA) solution was used as eluent and the eluted metal ions were detected with a coulometric detector. It was observed that the pH-gradient elution was effective for rapid separation. Good separation was achieved by the pH-gradient elution of initial pH 3.50 and final pH 7.00. The increase of column temperature improved the column efficiency. Sixteen rare earth elements could be separated each other in about 75 min using strong cation exchange resin (Hitachi # 2611) column, a 0.4 M α-HIBA solution and a pH gradient method. Resolutions of 16 rare earths were between 1.38 and 3.85, only dysprosium-yttrium being 0.91.

収録刊行物

  • 分析化学

    分析化学 31 (2), 63-66, 1982

    公益社団法人 日本分析化学会

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