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Extraction of Alkali Metal Ions and Tetraalkylammonium Ions with Ionic Surfactants Containing a Poly(oxyethylene) Chain
http://hdl.handle.net/10458/4859
http://hdl.handle.net/10458/485900735241-b828-46f6-98d9-c3029411b851
名前 / ファイル | ライセンス | アクション |
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ski_2000.pdf (377.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-05-15 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Extraction of Alkali Metal Ions and Tetraalkylammonium Ions with Ionic Surfactants Containing a Poly(oxyethylene) Chain | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
境, 幸夫
× 境, 幸夫× 日高, 保× 高木, 誠× Ono, Kanako× Takagi, Makoto× Cattrall, Robert W. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The effect of the poly(oxyethylene) (POE) chain length of ionic surfactants, expressed as C_12 H_25 -(-OCH_2CH_2-)- n OCH_2 C_6 H_3 (OH)(NO_2) (n = 2-9), on the extraction of monovalent cations, including alkali metal and tetraalkylammonium (TAA) ions, was investigated. The extraction constants (K_<ex>) with surfactants having a POE chain of n ≧6 were almost constant for each alkali metal ion. The K_<ex> sequence was Li^+ < Na^+ < Cs^+ ≦ K^+ = Rb^+. The extractability and selectivity largely decreased as n in the surfactant decreased (n < 6). The effect of the POE chain length was related to the stability of the alkali metal-POE complex. Unlike an alkali metal ion, the K_<ex> values for all TAA ions were almost constant with surfactants of n = 2-8. These facts indicated that the surfactant extracts alkali metal ions by both complex formation with its POE chain and ion-pair formation with a terminal p-nitrophenolate anion. On the other hand, TAA ions were extracted simply by ion-pair formation with a p-nitrophenolate anion of the surfactant. The proposed structures are discussed from the viewpoint of the spectrum shift of the extracted species. | |||||
言語 | en | |||||
書誌情報 |
en : Bulletin of the Chemical Society of Japan 巻 73, 号 5, p. 1165-1169, 発行日 2000-05 |
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出版者 | ||||||
言語 | ja | |||||
出版者 | 日本化学会 | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | The Chemical Society of Japan | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00092673 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (C) 2000 The Chemical Society of Japan | |||||
著者版フラグ | ||||||
出版タイプ | VoR |