Effects of Substituents in ß-Diketones and Their Tris-iron(III) Complexes on Partitioning between Various Micellar Phases and the Bulk Aqueous Phase
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- INABA Kazuho
- National Institute for Environmental Studies
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- NORO Junji
- Nissan ARC Ltd.
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- NAGANAWA Hirochika
- Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency
書誌事項
- タイトル別名
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- Effects of Substituents in β-Diketones and Their Tris-iron(III) Complexes on Partitioning between Various Micellar Phases and the Bulk Aqueous Phase
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To determine the factors that affect the partitioning of solutes in micellar systems, we investigated the partitioning of several β-diketones and their tris-complexes with iron(III) between the bulk aqueous phase and micelles of various polyoxyethylene (POE)-type nonionic surfactants (C12POE8, Brij 35, Brij 58, and Triton X-100). The trends of the partition constants in the micellar systems differed from those in typical liquid–liquid systems; these differences may have been due to the effects of the substituent groups on the extractants, and to the effects of the inner-sphere chemistry of the micelles. The bulkiness and the low wettability of the extractants and the complexes hindered their extraction into the micellar phase. The interaction between the polyoxyethylene moiety of the surfactants and water molecules dissolved in the micellar mantle may have hampered the penetration of such solutes with bulky or low-wettability substituents into the mantle. The locus of the solutes in the micelles seemed to play an important role in the partitioning behavior.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 28 (6), 577-581, 2012
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679236677376
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- NII論文ID
- 10030757962
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- NII書誌ID
- AA10500785
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- COI
- 1:STN:280:DC%2BC38jksVKjtg%3D%3D
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 023689189
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- PubMed
- 22729043
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可