Gas detection and identification apparatus and method

Electricity: measuring and testing – Using ionization effects – For analysis of gas – vapor – or particles of matter

Reexamination Certificate

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Reexamination Certificate

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07408360

ABSTRACT:
Gas detection and identification apparatus that receives a flow of a mixture of a carrier gas and an analyte gas and detects and identifies the components of the flowing gas mixture by Penning Ionization Electron Spectroscopy (PIES).

REFERENCES:
patent: 6900734 (2005-05-01), Duan
patent: 2004/0245993 (2004-12-01), Bonne
V.A. Sheverev, N.A. Khromov, D.R. Kojiro Penning Ionization Electron Spectroscopy in Glow Discharge: Another Dimension for Gas Chromatography Detectors; Analytical Chemistry vol. 74, No. 21, Nov. 1, 2002 pp. 5556-5563.
G.A. Eiceman, J. Gardea-Torresdey, E. Overton, K. Carney, F. Dorman Gas Chromatography; Analytical Chemistry vol. 76, No. 12, Jun. 15, 2004 pp. 3387-3394.
N.B. Kolokolov, A.A. Kudrjavtsev, A.B. Blagoev Interaction Processes With Creation of Fast Electrons in the Low Temperature Plasma; Physica Scripta vol. 50, pp. 371-402 1994.
S.O. Akapo, J.-M.D. Dimandja, D.R. Kojiro, J.R. Valentin, G.C. Carle Gas chromatography in space; Journal of Chromatography A. 843 (1999) pp. 147-162.
V. Karanassions Microplasma for chemical analysis: analytical tools or research toys?; Spectrochimica Acta Part B 59 (2004) pp. 909-928.

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