Determination of the water content in petroleum products using Terahertz Transmission Spectroscopy

被引：2
|
作者：
Gorenflo, Stefan [1 ]
Tauer, Ulrike [1 ]
Hinkova, Iliyana [1 ]
Lambrecht, Armin [1 ]
Helm, Hanspeter [2 ]
机构：
[1] Fraunhofer Inst Phys Measurement Tech, Heidenhofstr 8, D-79110 Freiburg, Germany
[2] Univ Freiburg, Inst Phys, Dept Mol & Opt Phys, D-79104 Freiburg, Germany
来源：
TERAHERTZ AND GIGAHERTZ ELECTRONICS AND PHOTONICS V | 2006年 / 6120卷
关键词：
terahertz time-domain spectroscopy; polyglycol oil; water in oil;
D O I：
10.1117/12.644495
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The water content in polyglycol oils is investigated by Terahertz Time-Domain Spectroscopy (THz-TDS). These oils are able to dissolve a certain percentage of water. Changes in the absorption coefficient and refractive index are observed related to the amount of water added to the pure oils. Comparison of the experimental data with predictions based on Beer-Lambert and Lorentz-Lorenz-theory, respectively, exhibits an excellent agreement. Analyses with Fourier Transform Infrared (FTIR) Spectroscopy reveal sensitivity similar to the THz-TDS experiment. THz-TDS may offer powerful tools to quantitatively determine the water concentration in petroleum products.
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页数：10
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