Optical Characterization of Chrysotile for the Real Time Detection

被引：0
|
作者：
Ahn, Hosang [1 ]
Song, Seung Yeon [1 ]
Ahn, Jae Hwan [1 ]
Jang, Dae Gyu [1 ]
Joo, Jin Chul [1 ]
机构：
[1] Korea Inst Construct Technol, Div Environm Res, Goyang 411712, South Korea
来源：
INTELLIGENT MATERIALS AND MECHATRONICS | 2014年 / 464卷
关键词：
Asbestos; Chrysotile; Colorimeter; Luminance meter; Refractive index liquid; X-RAY-DIFFRACTION; ASBESTOS;
D O I：
10.4028/www.scientific.net/AMM.464.194
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：
We measured chrominance of chrysotile powder using a colorimeter and a luminance meter under different light sources with seven color filters to test feasibility for the real time asbestos detector development. Chrysotile powder was prepared by heating asbestos fabric at 150 degrees C for 1hr and hydrochloric acid treatment was followed to remove other elements. Refractive index liquid was used as a color changing analyte to observe the change in chrominance of chrysotile. From the measurements, it revealed that a colorimeter was more suitable for the chrysotile detection by the maximum change in chrominance, especially in the short wave length range of blue regions. A luminance meter was not able to separate the difference in chrominance depending on different color and light sources regardless dyeing. It might be due to that reflected light from chrysotile particle was relatively weaker than that from illuminated area. It is our suggestion that the real time monitoring of asbestos in indoor air can be possible using a color sensor, specified to the unique wavelength of dyed chrysotile based on our chrominance data.
引用
收藏
页码：194 / 198
页数：5
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