油脂類－溶媒系の拡散現象 [第1報] : 椿油－アセトン系の拡散実験

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タイトル別名
  • Diffusion Phenomena of Fatty Substance-solvent System: [Part 1] Diffusion Experiments of Tsubaki Oil Contacted with Acetone
  • ツバキアブラ-アセトンケイ ノ カクサン ジッケン ユシルイ-ヨウバイケイ ノ カクサン ゲンショウ 1

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We reported previously about the diffusion phenomena of diluted acetone solution of tsubaki oil and suggested that these fatty molecules should associate when the concentration increases. Now, we describe in this paper about the diffusion experiments of tsubaki oil contacted with acetone. There exists a maximum point as well as minimum in the diffusion coefficient vs. concentration curve. This is true in case of triolein in acetone but not necessarily when other fatty oils or other solvents are used. Provi­ded that the diffusion coefficient corresponds to the solute size,. the association degree of triolein molecules in acetone should have minimum and maximum point, too. These characteristic concentrations are also estimated here from our viscosity measurements and diffusion coefficients.

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