The Enthalpies of Binary Mixtures of Chalcogen Elements

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概要

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• The enthalpies of binary mixtures among chalcogen elements were measured by means of calorimetry. In the system of sulfur+selenium, the positive enthalpy increment suggests the formation of a co-ring and a co-chain on mixing. In the selenium+tellurium and sulfur+tellurium systems, some local ordered structures were deduced from the minimum points of the enthalpy at the compositions of Te<SUB>3</SUB>Se<SUB>2</SUB> and Te<SUB>3</SUB>S. In the latter system, the entropy of mixing was calculated from the reported phase diagram and the present enthalpy values. The entropy diagram also suggests that the local order is present.

• 公益社団法人 日本化学会の論文

著者

• Yokokawa Toshio

  Department Of Chemistry Faculty Of Science Hokkaido University

• Maekawa Takashi

  Department Of Applied Chemistry Faculty Of Engineering Ehime Universiry

• Niwa Kichizo

  Department of Chemistry Faculty of Science Hokkaido University

• Niwa Kichizo

  Department of Chemistry, Faculty of Science, Hokkaido University

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