Dopant gas generating device

G - Physics – 01 – N

Patent

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Details

G01N 27/62 (2006.01) H01J 49/04 (2006.01) H01J 49/40 (2006.01)

Patent

CA 2701922

The present invention relates to a dopant gas generating device for supplying the dopant gas to the ion mobility spectrometry instrument, comprising: a doping container; an air inlet having an inlet end connecting with an upstream side of a carrier gas passage and an outlet end connecting with the doping container; an air outlet having an entrance end connecting with the doping container and an exit end connecting with an downstream side of the carrier gas passage; a dopant gas generating unit for releasing the dopant gas, wherein the dopant gas generating unit is disposed within the doping container. Through disposing the dopant gas generating unit, which is used for releasing the dopant gas, within the doping container, the dopant gas in the present invention is applicable with not only a solid state dopant, but also a liquid state dopant.

L'invention concerne un générateur de gaz de dopage fournissant un gaz de réaction pour un spectromètre à mobilité ionique comprenant un boîtier de dopage (3) ; un tuyau d'arrivée de gaz (1) comprenant une extrémité d'arrivée (201) raccordée à un côté amont d'un trajet de gaz porteur (20) et une extrémité de sortie (202) raccordée au boîtier de dopage (3) ; un tuyau de sortie de gaz (2) comprenant une extrémité d'arrivée (203) raccordée au boîtier de dopage (3) et une extrémité de sortie (204) raccordée à un côté aval du trajet de gaz porteur (20) ; et une unité de génération de gaz de dopage qui est utilisée pour libérer un gaz dopant, l'unité de génération de gaz de dopage étant placée dans le boîtier de dopage (3). Le dopant peut être un dopant solide ou un dopant liquide.

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