Improved pulsed discharge systems

Details Improved pulsed discharge systems Improved pulsed discharge systems

G - Physics

01

N

G01N 30/64 (2006.01) G01N 27/70 (2006.01) G01N 30/70 (2006.01)

Patent

CA 2180266

The discharge systems of this disclosure are useful in the chemical analysis field, including identification and quantification of gaseous impurities. The systems utilize a pair of electrodes which apply a spark across a gap between the electrodes, the spark preferably being repetitively formed. As an inert gas flows between the electrodes, the spark creates photons of energy which are emitted and are used as described. In alternate aspects, other particles are energized in the spark gap and subsequently surrender their energy. Photon emission or loss of energy assists in identification and measurement of peaks eluted from a typical gas chromatograph. The preferred inert gas is helium with or without traces of rare inert gases.

Systèmes de décharges utilisés pour l'analyse chimique y compris pour l'identification et la quantification d'impuretés gazeuses et se composant d'une paire d'électrodes qui créent entre elles une étincelle de préférence pulsée. Lorsqu'un gaz inerte passe entre les électrodes, l'étincelle y donne naissance à des photons énergétiques qui sont émis et utilisés ainsi que décrits. Dans d'autres variantes, d'autre particules énergétiques créées dans l'espace séparant les électrodes restituent ensuite leur énergie. L'émission de photons ou la perte d'énergie contribuent à l'identification et à la mesure de pics fournis par un chromatographe courant. Le gaz inerte préféré est de l'hélium avec ou sans traces de gaz rares inertes.

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