Salting-out phenomenon and clathrate hydrate formation in aqueous solution of polar nonelectrolyte.
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概要
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The Salting-out Phenomenon has been carefully observed by adding ammonium chloride into aqueous solutions of <I>t</I>-butyl alcohol, acetone, dioxane, and 2-butoxyethanol. The experimental results have been well explained by considering the formation of a clathrate hydrate-like local structure in the aqueous solution of each nonelectrolyte. In addition, the role of the chloride ion has been found to be the promotion of the aggregation of the clathrate hydrate-like local structures. The line-width measurement of <SUP>35</SUP>Cl-NMR spectra has been shown to be an extremely powerful method for studying the state of mixing of ions in solutions.
- 公益社団法人 日本化学会の論文
著者
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Fujiyama Tsunetake
Institute for Molecular Science
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Yudasaka Masako
Institute for Molecular Science
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Kato Tadashi
Institute for Molecular Science
関連論文
- X-Ray Diffraction Study of Mixing States in the Carbon Tetrachloride Solutions of Methanol and Pentane
- Salting-out phenomenon and clathrate hydrate formation in aqueous solution of polar nonelectrolyte.
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- Brillouin scattering study of clathrate hydrate formation in acetone-water solution.
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- Symmetrized local mode analysis of CH2 stretching mode in 1,1-dichloroethylene.
- High-overtone spectra and dipole moment functions for the C-H stretching vibration of chloroform.
- Effects of mechanical and electrical anharmonicities on local mode spectrum.
- A study of local structure formation in binary solutions of 2-butoxyethanol and water by Rayleigh scatterring and Raman spectra.
- Light scattering study of the 12-hydroxyoctadecanoic acid and benzene mixture in the gel state.
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- Determination of local structure and moving unit formed in binary solution of t-butyl alcohol and water.
- Observation of mutual diffusion coefficients and cooperative motions in binary solutions of t-butyl alcohol-water and 2-butoxyethanol-water.
- Eurther comments on the line-broadening of the chlorine 35 NMR spectra and the local structure around a chloride ion in aqueous solutions of non-electrolytes.