A micro gas chromatograph with integrated bi-directional pump for quantitative analyses

Author

Yutao Qin ; Gianchandani, Yogesh B.

Author_Institution

Center for Wireless Integrated MicroSensing & Syst. (WIMS), Univ. of Michigan, Ann Arbor, MI, USA

fYear

2014

fDate

26-30 Jan. 2014

Firstpage

294

Lastpage

297

Abstract

This paper describes a micro gas chromatography (μGC) system that comprises a Knudsen pump with bidirectional capability (KP2), a two-stage preconcentrator-focuser (PCF2) and a separation column. In this valveless system, the bi-directionality of the pump allows flow reversal in the multi-stage preconcentrator. The KP2, PCF2, and separation column are arranged in a 4.3 cm³ stack, and used with a commercial flame ionization detector. In preliminary experiments, the μGC system demonstrated quantitative separation of benzene, toluene, and xylene (BTX) in ambient room air.

Keywords

chromatography; flames; ionisation; organic compounds; pumps; μGC system; Knudsen pump; ambient room air; benzene; bidirectional capability; flame ionization detector; integrated bi-directional pump; microgas chromatography; multistage preconcentrator; quantitative analysis; toluene; two-stage preconcentrator-focuser; valveless system; xylene; Bidirectional control; Detectors; Fluid flow; Gas chromatography; Glass; Heat sinks;

fLanguage

English

Publisher

ieee

Conference_Titel

Micro Electro Mechanical Systems (MEMS), 2014 IEEE 27th International Conference on

Conference_Location

San Francisco, CA

Type

conf

DOI

10.1109/MEMSYS.2014.6765634

Filename

6765634