大気圧下におけるエタノール水溶液中の微量トリアセチン，トリブチリンの気液平衡

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  • Vapor-Liquid Equilibria of a Minute Amount of Triacetin and Tributyrin in Aqueous Ethanol Solution.
  • タイキアツカ ニ オケル エタノール スイヨウエキチュウ ノ ビリョウ トリア

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The vapor-liquid equilibrium ratios of the water-ethanol system containing a minute amount of triacetin and tributyrin were measured at 101.3 kPa by use of an Othmer-type still. Triacetin and tributyrin vapor-liquid equilibrium ratios were calculated by ASOG.<BR>The experimental values of triacetin and tributyrin vapor-liquid equilibrium ratios in ethanol were constant at lower triacetin and tributyrin concentrations than 0.1 mol %, whereas the ratios at higher triacetin and tributyrin concentrations decreased with their increasing concentrations. In ethanol aqueous solution, triacetin and tributyrin vapor-liquid equilibrium ratios became lower with increasing ethanol concentration. The results of calculated ASOG were not in fair agreement with the experimental results.

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