Analysis of Petroleum Products and Their Mixtures by Using Terahertz Time Domain Spectroscopy

被引：41

作者：

Jin, Yun-Sik ^{[1
]}

Kim, Geun-Ju ^{[1
]}

Shon, Chae-Hwa ^{[1
]}

Jeon, Seok-Gy ^{[1
]}

Kim, Jung-Il ^{[1
]}

机构：

[1] Korea Electrotechnol Res Inst, Terahertz Wave Res Lab, Ansan 426170, South Korea

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2008年 / 53卷 / 04期

关键词：

Terahertz; Time-domain spectroscopy; Petroleum; Solvent; Liquid; Refractive index; Dielectric constant;

D O I：

10.3938/jkps.53.1879

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the feasibility of terahertz time domain spectroscopy (THz-TDS) for discriminating regular petroleum products and their mixtures. Basic optical properties of gasoline, diesel, kerosene and organic solvents, such as xylene, toluene and benzene, used as additives in producing a similar gasoline were analyzed in the spectral range of 0.2 - 2 THz. A quantitative analysis on the mixtures of gasoline and the additives clearly shows that the optical properties of the mixtures differ from that of regular petroleum products in the THz spectral range. Furthermore, a variation in the mixing ratio results in systematic changes in the refractive index and the dielectric constant, indicating that THz-TDS is an effective means to analyze gasoline and its mixtures.

引用

页码：1879 / 1885

页数：7

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