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- W16943598 abstract "本報はTween20,40,60,80などのTween系及びTriton X-100などの非イオン界面活性剤共存下,2-テノイルトリフルオロアセトン(TTA)及び1,10-フェナントロリン(phen)によるサマリウム,ユウロピウムの蛍光分析法を詳しく検討し,更にTTA-phen-Tween 20系を希土類鉱物並びに希土類混合塩化物などの実試料に応用し,よい結果が得られた.抽出系と比較し,ミセル化した三元錯体の最適pHは酸性側(pH5.3～5.5)に移り,水溶性が増大しただけではなく,その蛍光強度も水溶液より約6倍増感し,安定性も増大した.又,共存イオンによる蛍光消光作用も減少し,特にEu3+の2万倍量に当たる0.1MのCa2+の共存でも,10ppbのEu3+の回収率は90%以上であった.本法の操作は簡易,迅速で,かつ感度は高く,希土類鉱物,酸化物,岩石,鉱物などの試料中の微量サマリウム,ユウロピウムの同時定量に応用でき,抽出系より利点が多い." @default.
- W16943598 created "2016-06-24" @default.
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- W16943598 date "1986-01-01" @default.
- W16943598 modified "2023-10-10" @default.
- W16943598 title "Fluorometric determination of samarium and europium with 2-thenoyltrifluoroacetone and 1,10-phenanthroline micellar system." @default.
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