Sensitive and selective flow-injection analysis coupled with solvent-extraction for the determination of pharmaceuticals and environmental pollutants

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  • OHNO Noriko
    Chemistry Laboratory, School of Business Administration, Asahi University
  • SAKAI Tadao
    Department of Applied Chemistry, Aichi Institute of Technology

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Other Title
  • フローインジェクション分析／溶媒抽出を利用する医薬品及び環境汚染物質の高感度分析
  • フローインジェクション ブンセキ ヨウバイ チュウシュツ オ リヨウ スル イヤクヒン オヨビ カンキョウ オセン ブッシツ ノ コウカンド ブンセキ

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Abstract

Sensitive and selective flow injection systems coupled with liquid-liquid extraction were proposed. Extraction/FI systems were applied to the determination of quaternary ammonium salts (R4N+) in pharmaceuticals, anionic surfactant and dissolved oxygen in environmental water samples. A homemade thermo-controlled flow cell was used for the selective determination of cationic surfactants. Also, several kinds of phase separators were designed. Especially, a double-membrane phase separator gave efficient and constant separation with long-term continuous runs. Consequently, the proposed solvent-extraction/FIA systems are useful for the analyses of pharmaceuticals and environmental pollutants.<br>

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 53 (4), 233-244, 2004

    The Japan Society for Analytical Chemistry

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