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KMID : 0385520140270020108
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Analytical Science & Technology
2014 Volume.27 No. 2 p.108 ~ p.113
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The study for VOCs analysis in long path by open path FT-IR spectrometer
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Cho Nam-Wook
Cho Won-Bo
Kim Hyo-Jin
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Abstract
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The harmful materials as volatile organic compounds (VOCS) that is easy for gas to be changed from liquid on ambient temperature, those should be controlled by Korea Chemicals Management Association. The VOCs samples should be collected directly in place so that those could be analyzed. Generally but it couldn’t avoid to have the risk of analyst. Moreover, if there is the place limited to entrance, it is impossible to collect directly and measure. Owing to such problem, it tried to be solved by open path FT-IR spectrometer that could be studied on the combustion gases within long path and VOCs samples were tried to measure to large volume by remote and real time. Firstly, it was to investigate optimized measured length between the system and benzene sample of VOCs. As result, The optimized measured length was confirmed with 15 meter length and the qualitative analysis could be measured on seven VOC samples. The calibration curve as quantitative analysis of benzene samples could be worked. On the basis of the result, the system as remote monitor could show to have potentiality.
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KEYWORD
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open path FT-IR spectrometer, monitoring of VOCs,
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