Thermodynamic study on the adsorption of dioctadecyl ether at hexane/water interface

Norihiro Matubayasi, Masatake Dohzono, Makoto Aratono, Kinsi Motomura, Ryohei Matuura

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The adsorption of dioctadecyl ether was studied at hexane/water interface, as functions of temperature, pres?sure, and mole fraction of dioctadecyl ether in hexane. The phase transition between expanded and condensed films was observed with decreasing temperature and increasing pressure and concentration. The thermodynamic quan?tities associated with the adsorption such as entropy, volume, and energy change were evaluated and comparison was made with the adsorbed films of 1-octadecanol at the same interface in which phase transition takes place. It is found that the dioctadecyl ether shows small negative discontinuous changes of the thermodynamic quantities with the transition from the expanded to the condensed films.

Original languageEnglish
Pages (from-to)1597-1600
Number of pages4
JournalBulletin of the Chemical Society of Japan
Volume52
Issue number6
DOIs
Publication statusPublished - Jan 1 1979

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Hexanes
Ether
Thermodynamics
Adsorption
Water
Phase transitions
Entropy
Temperature

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Thermodynamic study on the adsorption of dioctadecyl ether at hexane/water interface. / Matubayasi, Norihiro; Dohzono, Masatake; Aratono, Makoto; Motomura, Kinsi; Matuura, Ryohei.

In: Bulletin of the Chemical Society of Japan, Vol. 52, No. 6, 01.01.1979, p. 1597-1600.

Research output: Contribution to journalArticle

Matubayasi, Norihiro ; Dohzono, Masatake ; Aratono, Makoto ; Motomura, Kinsi ; Matuura, Ryohei. / Thermodynamic study on the adsorption of dioctadecyl ether at hexane/water interface. In: Bulletin of the Chemical Society of Japan. 1979 ; Vol. 52, No. 6. pp. 1597-1600.
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