Dielectric properties of oil-water complexes using terahertz transmission spectroscopy

被引：61
|
作者：
Gorenflo, S
Tauer, U
Hinkov, I
Lambrecht, A
Buchner, R
Helm, H
机构：
[1] Fraunhofer Inst Phys Measurement Tech, D-79110 Freiburg, Germany
[2] Univ Regensburg, Inst Phys & Theoret Chem, D-93040 Regensburg, Germany
[3] Univ Freiburg, Inst Phys, Dept Mol & Opt Phys, D-79104 Freiburg, Germany
来源：
CHEMICAL PHYSICS LETTERS | 2006年 / 421卷 / 4-6期
关键词：
D O I：
10.1016/j.cplett.2006.01.108
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Terahertz time-domain spectroscopy (THz-TDS) is used to investigate the water content in synthetic oils. For this purpose, water was added to polyglycol oils, which are able to dissolve a certain percentage of water. Applying THz-TDS, changes in the absorption coefficient and refractive index are observed and characterized. Comparison of the experimental data with predictions based on Beer-Lambert and Lorentz-Lorenz-theory, respectively, exhibits excellent agreement and clearly indicates that water is not dissolved in form of clusters but rather via hydrogen-bonded oil-water complexes. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：494 / 498
页数：5
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