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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Semiempirical formula for the estimation of organic radical ion mobility in liquid n-alkanes
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Semiempirical formula for the estimation of organic radical ion mobility in liquid n-alkanes

机译:估计液态正构烷烃中有机自由基离子迁移率的半经验公式

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摘要

The mobilities of radical ions of a series of organic compounds in n-alkanes with viscosities within the range of 0.2-4 cP were determined by applying the method of time-resolved electric field effect. The obtained data were used to express the correlation between the mobilities and solvent viscosity in the form of the modified Stokes-Einstein relation. The relation was parametrized in such a way that the specific molecular properties of both solvent and solute appear in the expression only as the ratio of the volumes of their molecules. A significant difference between aromatic and aliphatic compounds was found with respect to the dependence of radical ion mobility on this volume ratio, and two different parametrizations were suggested for mobility estimation in these cases.
机译:采用时间分辨电场效应的方法,确定了一系列有机化合物在正构烷烃中的自由基迁移率,粘度在0.2-4 cP范围内。使用获得的数据以改进的斯托克斯-爱因斯坦关系的形式表示迁移率和溶剂粘度之间的相关性。该关系被参数化,使得溶剂和溶质两者的特定分子性质仅以其分子体积的比例出现在表达中。在自由基离子迁移率对该体积比的依赖性方面,发现芳香族化合物和脂肪族化合物之间存在显着差异,在这些情况下,为迁移率估计提出了两种不同的参数。

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