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- W161854402 abstract "水-酢酸-クロロホルム三成分系において,pH依存相分離現象を利用した新しい均一液-液抽出法を開発した.まず,三成分溶媒系の相分離における最適操作条件を決定した{クロロホルム230μl(0.66vol%)と酢酸2cm3(5.71vol%)を含む均一水溶液に水酸化ナトリウム水溶液([NaOH]T=1.03moldm-3)を添加し相分離を行う.最終体積:35cm3}.又,あらかじめ添加するクロロホルムの量を調節することにより,水相(VW=35cm3)と析出相(VO=3.5μl)との体積比を一万倍とすることができた.モデル溶質としてα,β,γ,δ-テトラキス(4-ピリジル)ポルフィンを選定し,本法を適用した結果,VW/VOが700のとき,分配比(D)は5600及び抽出率(E)は88.9%であった.更に,本法と8-キノリノール比色法を組み合わせた均一液-液抽出法では,飲料水中の鉄の定量に対し,良好な結果が得られた{鉄(III)-8-キノリノール錯体:VW/VO=700のとき,D=1230及びE=63.7%}." @default.
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- W161854402 date "1994-01-01" @default.
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- W161854402 title "A homogeneous liquid-liquid extraction method based on pH dependent phase separation phenomena in the water-acid acid-chloroform ternary component system." @default.
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- W161854402 doi "https://doi.org/10.2116/bunsekikagaku.43.1183" @default.
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