Kinetic studies of the stripping of bis(2,4-pentanedionato)beryllium in various liquid-liquid partition systems.
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概要
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The rate constant, <I>k</I><SUB>st</SUB>, for the stripping of bis(2,4-pentanedionato)beryllium from inert solvents into water or a mixed solvent of water with a miscible organic solvent, such as ethylene glycol, methanol, acetonitrile, and pimethyl sulfoxide, was determined and discussed in connection with the dissociation rate constant, <I>k</I><SUB>d</SUB>, of the chelate in the aqueous phase and the liquid-liquid partition coefficient, <I>P</I>, of the chelate. The <I>k</I><SUB>st</SUB>=<I>k</I><SUB>d</SUB>⁄(1+<I>P</I>) relationship was found to hold true in all systems studied. The solvent effect of the aqueous mixed solvents on <I>k</I><SUB>d</SUB> was discussed in terms of the transfer activity coefficient.
- 公益社団法人 日本化学会の論文
著者
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Watarai Hitoshi
Department Of Chemistry Faculty Of Science Osaka University
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Suzuki Nobuo
Department Of Applied Physics Faculty Of Engineering Tohoku University
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