| 학회 |
한국공업화학회 |
| 학술대회 |
2008년 봄 (05/09 ~ 05/10, 한양대학교(안산)) |
| 권호 |
12권 1호 |
| 발표분야 |
정밀화학 |
| 제목 |
Characterization of a double-stage membrane interface for sample introduction into a miniature time-of-flight mass spectrometer |
| 초록 |
The benefits of on-site analysis of environmental pollutants are well known, with such techniques increasing sample throughput and reducing the overall cost of pollution level monitoring. Characterization of double-stage membrane inlet have been performed using a time-of-flight mass spectrometer (TOFMS). Temporal evolution of volatile organic compounds (VOCs) through 127㎛ thick two polydimethylsiloxane (PDMS) membranes were measured by monitoring the ion signal after a step change in the sample concentration. The detection limits for VOCs were found to be in the range of ppb by volume. Initial results indicate that the TOFMS will be capable of use in a wide range of applications, particularly for real-time environmental monitoring. |
| 저자 |
장유미, 김진수, 정광우
|
| 소속 |
원광대 |
| 키워드 |
time-of-flight mass spectrometer; membrane
|
| E-Mail |
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