A dual source mass spectrometry system

H - Electricity – 01 – J

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H01J 49/04 (2006.01) G01N 30/72 (2006.01)

Patent

CA 2753760

In or for a dual source mass spectrometry system (10), an ion source housing (16) for detachable connection to a mass spectrometer of the system. The ion source housing comprises a source chamber (22) having an outlet port for connection to a vacuum region of a mass spectrometer, a sample port for receiving a gas chromatography [GC] column and means for charging analyte molecules discharged from said GC column, wherein the housing comprises a docking means by which a GC interface probe can be releasably engaged with the housing.

La présente invention concerne un logement de source d'ions (16) destinée à ou s'intégrant à un système de spectrométrie de masse à double source (10), ce logement (16) pouvant se connecter et se détacher d'un spectromètre de masse du système. Le logement de source d'ions comprend une chambre de source (22) pourvue d'un orifice de sortie à connecter à une région sous vide d'un spectromètre de masse, un orifice à échantillons permettant d'accueillir une colonne de chromatographie en phase gazeuse (GC), et des organes permettant de charger des molécules d'analysat qui se sont déchargées de ladite colonne de chromatographie en phase gazeuse. En l'occurrence, le logement comporte un organe de connexion permettant la mise en place de façon non permanente d'une sonde d'interface de colonne de chromatographie en phase gazeuse.

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