Gas chromatography system architecture incorporating...

Details Gas chromatography system architecture incorporating... Gas chromatography system architecture incorporating...

2006-12-21

2010-02-02

Larkin, Daniel S (Department: 2856)

Measuring and testing

Gas analysis

Gas chromatography

C073S023350

Reexamination Certificate

active

07654130

ABSTRACT:
A self-contained micro-scale gas chromatography system that includes a plurality of gas chromatography components arranged on a micro-fluidic platform with nearly zero dead volume “tubeless” fluidic connections for the gas chromatography components. The micro-fluidic platform includes a plurality of flow channels that provide fluid flow paths for a sample, carrier gas and waste gas through and among the micro-fluidic platform and the plurality of gas chromatography components. The gas chromatography components may include a micro-scale gas chromatography column that is implemented as a MEMS device and includes embedded heating and cooling elements. The system may also include an on-board supply of carrier gas and on-board waste management, as well as a thermal management scheme making the system suitable for use in oil and gas wells and also other remote environments.

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patent: 2004/0255643 (2004-12-01), Wise et al.
patent: 2005/0223775 (2005-10-01), Klee et al.

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