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|
| Type |
Poster Presentation |
| Area |
Physical Chemistry |
| Room No. |
Grand Ballroom |
| Time |
10월 19일 (금요일) 11:00~12:30 |
| Code |
PHYS.P-228 |
| Subject |
Characteristic of a CNT Sponge Preconcentrator for GC Analysis of VOCs in Air Samples |
| Authors |
Juyeon Bang, Yeonhee Jang1, Dong Wook You, Kwang woo Jung*
Department of Chemistry, Wonkwang University, Korea
1Wonkwang University, Korea
|
| Abstract |
A miniature on-line sorption trap is used to preconcentrate volatile organic compounds (VOCs) from large-volume air samples and inject the organic compounds into the separation column of GC as a relatively narrow vapor plug. The CNT sponge adsorbents were assessed on the basis of analyte thermal-desorption bandwith and efficiency, chromatographic peak shape, and breakthrough volume against mixurtes of organic compounds. The determination of a vapor mixture of common air contaminants in <10 min is demonstrated using ambient air as the carrier gas. Detection limits of <10 ppb are achieved for the majority of compounds from a 100-mL air sample using FID and PID detector. Performance evaluation is performed in the context of real-time and in-situ monitoring applications. |
| E-mail |
4660864@naver.com |
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122nd General Meeting of the KCS