二甲苯与环丁砜混合液粘度和密度测定及关联

摘要在常压下采用U形振动管密度计测定了对二甲苯与环丁砜的混合液在298 15K～353 15K下的密度,用乌氏粘度计测定了此混合溶液在303 15K～353 10K下的粘度,并由密度数据计算出超额体积VE、由粘度数据计算出了不同温度和组成下的混合粘度的变化,同时对不同温度下的超额体积与组成的关系进行了多元回归,对混合粘度变化随组成的关系按Redlich-Kister方程进行了关联。

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	周清
	马沛生
	杨长生

关键词：密度粘度超额摩尔体积对二甲苯

Abstract： Densities and viscosities of the binary mixture of sulfolane with p-xylene were determined between 30315 to 35315K at atmospheric pressure by using a vibrating U-shaped sample tube densimeter and Ubbelohde suspended-level viscometer respectively.Density values were used in determination of excess molar volume.Viscosities were used to calculated deviations of viscosity.Excess volume and deviation of viscosity were fitted by a multiple regression analysis and Redlich-Kister equation respectively.

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Received 2004-01-15; published 2004-01-15

引用本文:

周清,马沛生,杨长生.二甲苯与环丁砜混合液粘度和密度测定及关联[J]. 化学工业与工程, 2004,21(1): 12-16

ZHOU Qing,MA Pei-sheng,YANG Chang-sheng.Densities and Viscosities for Binary Mixture of the p-Xylene with Sulfolane at Different Temperature[J]. Chemcial Industry and Engineering, 2004,21(1): 12-16