G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 30/00 (2006.01) G01N 30/04 (2006.01) G01N 30/06 (2006.01) G01N 33/00 (2006.01)
Patent
CA 2233155
The invention concerns a method and device for the automatic analysis of volatile substances in gases, in particular in air, the method comprising the following successive steps: a) the gas to be analyzed is passed through an absorption, and optionally reaction, solution; and b) the solution is analyzed by a chromatography method. According to the invention, the absorption, and optionally reaction, solution is located in a depression (6) in the bottom of a vessel (8) and, when it has been acted on by the gas to be analyzed, is removed with a cannula and taken for analysis.
L'invention concerne un procédé et un dispositif permettant d'analyser automatiquement des substances volatiles dans des gaz, notamment dans de l'air. Le procédé comprend les étapes suivantes: a) le gaz à analyser est guidé à travers une solution d'absorption et éventuellement de réaction, b) la solution est analysée à l'aide d'une méthode de chromatographie. Selon l'invention, la solution d'absorption et éventuellement de réaction se trouve dans une cavité (6) dans le fond d'un récipient (8). Après l'action exercée par le gaz à analyser, ladite solution est prélevée à l'aide d'une canule et l'analyse est effectuée.
European Atomic Energy Community (euratom)
Robic
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