Ultrasonic Absorption Mechanisms in Aqueous Solutions of Alcohols
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概要
- 論文の詳細を見る
Ultrasonic absorption measurements in aqueous solutions of <I>tert</I>-butyl and allyl alcohols were carried out in the frequency range of 4.5–220 MHz at 25 °C. Two relaxation processes were observed in aqueous solution of <I>tert</I>-butyl alcohol and a single one in that of allyl alcohol. The former relaxation mechanisms were revealed to be due to the perturbation of the equilibria expressed by (<U>Remark: Graphics omitted.</U>) where A and B were alcohol and water molecule respectively. The latter mechanism was due to that expressed by (<U>Remark: Graphics omitted.</U>). The rate constants for all these processes were determined from the concentration dependence of the relaxation frequencies. The water structure in aqueous solutions was discussed in terms of a hydrophobic interaction, and it was concluded that the hydrophobic interaction decreased in this sequence, <I>tert</I>-butyl, <I>n</I>-propyl and allyl alcohols.
- 公益社団法人 日本化学会の論文
著者
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Nishikawa Sadakatsu
Department Of Applied Chemistry Faculty Of Science And Engineering Saga University
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Yasunaga Tatsuya
Department of Chemistry, Faculty of Science, Hiroshima University
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Mashima Mitsuo
Department of Chemistry, Faculty of Science and Engineering, Saga University
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Maekawa Michio
Department of Chemistry, Faculty of Science, Hiroshima University
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