SPIN-LATTICE RELAXATION AND VISCOSITY IN MIXTURES OF N-HEXANE AND N-HEXADECANE

被引：7
|
作者：
ZEGA, JA
HOUSE, WV
KOBAYASHI, R
机构：
[1] Department of Chemical Engineering, Rice University, Houston, Texas 77251
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 1990年 / 29卷 / 05期
关键词：
D O I：
10.1021/ie00101a029
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The normalized decay of magnetization in mixtures of hexane and hexadecane was accurately described by a double-exponential expression with the preexponentials equal to the proton fractions. Two methods were used to define a single-valued “effective” relaxation time for each mixture. Both of these relaxation times are closely related to the mixture viscosity. The mole fraction weight-average relaxation rate is a linear function of the viscosity. The proton fraction weight-average relaxation rate shows a second-order dependence on the viscosity. © 1990, American Chemical Society. All rights reserved.
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页码：909 / 912
页数：4
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