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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Self-Diffusion Coefficients of Some Hydrocarbons in Water: Measurements and Scaling Relations
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Self-Diffusion Coefficients of Some Hydrocarbons in Water: Measurements and Scaling Relations

机译:水中某些烃类的自扩散系数:测量和比例关系

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摘要

We present values of the self-diffusion coefficients at 25 ℃ of four hydrocarbons (n-pentane, n-hexane, cyclohexane, and o-xylene) at saturation concentrations in (heavy) water. To calculate the corresponding values for the series of n-alkanes, we suggest two alternative scaling relations for the dependence of the self-diffusion coefficients on the molecular weights of the n-alkanes. The scaling relations are "calibrated" using the value presented for n-pentane.
机译:我们给出了(重)水中饱和浓度下四种烃(正戊烷,正己烷,环己烷和邻二甲苯)在25℃时的自扩散系数值。为了计算一系列正构烷烃的相应值,我们建议了两个替代的比例关系,以依赖于自扩散系数对正构烷烃分子量的依赖性。使用正戊烷给出的值来“校准”比例关系。

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