Study of ion exchange selectivity of organic ions by using 31P NMR spectroscopy

A. Marton, H. Sakashita, Yoshinori Miura, E. Hiramatsu, Y. Miyazaki

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

抄録

Ion exchange distribution of the phenylphosphoric acid has been studied on various types of chloride form strong base resins as a function of pH at 25 °C, at 0.1 M ionic strength. Equilibrium measurements were supplemented by the study of pH dependence of the 31P NMR spectra of the resin-phase phenylphosphate species. Equations were derived to describe the pH dependence of the overall distribution coefficient and the chemical shift of the resin-phase solute species. Experimental data were evaluated by using these model equations and the values of the individual distribution coefficients, ion exchange selectivity coefficients and the resin-phase 31P chemical shifts of the mono- and divalent ions have been calculated. Comparison of distribution data of the individual species corroborated the significance of the role of hydrophobic interaction in the selectivity of organic ion exchange processes. A well-defined correlation between the ion exchange selectivity and the resin-phase 31P NMR chemical shift data has been pointed out.

元の言語英語
ページ(範囲)217-227
ページ数11
ジャーナルTalanta
59
発行部数2
DOI
出版物ステータス出版済み - 2 6 2003

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Ion Exchange
Nuclear magnetic resonance spectroscopy
Ion exchange
Chemical shift
Magnetic Resonance Spectroscopy
Resins
Ions
Ion Exchange Resins
Nuclear magnetic resonance
Hydrophobic and Hydrophilic Interactions
Osmolar Concentration
Chlorides
Ionic strength
Acids

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

これを引用

Study of ion exchange selectivity of organic ions by using 31P NMR spectroscopy. / Marton, A.; Sakashita, H.; Miura, Yoshinori; Hiramatsu, E.; Miyazaki, Y.

:: Talanta, 巻 59, 番号 2, 06.02.2003, p. 217-227.

研究成果: ジャーナルへの寄稿記事

Marton, A, Sakashita, H, Miura, Y, Hiramatsu, E & Miyazaki, Y 2003, 'Study of ion exchange selectivity of organic ions by using 31P NMR spectroscopy', Talanta, 巻. 59, 番号 2, pp. 217-227. https://doi.org/10.1016/S0039-9140(02)00480-0
Marton, A. ; Sakashita, H. ; Miura, Yoshinori ; Hiramatsu, E. ; Miyazaki, Y. / Study of ion exchange selectivity of organic ions by using 31P NMR spectroscopy. :: Talanta. 2003 ; 巻 59, 番号 2. pp. 217-227.
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AB - Ion exchange distribution of the phenylphosphoric acid has been studied on various types of chloride form strong base resins as a function of pH at 25 °C, at 0.1 M ionic strength. Equilibrium measurements were supplemented by the study of pH dependence of the 31P NMR spectra of the resin-phase phenylphosphate species. Equations were derived to describe the pH dependence of the overall distribution coefficient and the chemical shift of the resin-phase solute species. Experimental data were evaluated by using these model equations and the values of the individual distribution coefficients, ion exchange selectivity coefficients and the resin-phase 31P chemical shifts of the mono- and divalent ions have been calculated. Comparison of distribution data of the individual species corroborated the significance of the role of hydrophobic interaction in the selectivity of organic ion exchange processes. A well-defined correlation between the ion exchange selectivity and the resin-phase 31P NMR chemical shift data has been pointed out.

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