Sampling bottle for chlorinated organic compounds

G - Physics – 01 – N

Patent

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Details

G01N 1/22 (2006.01) G01N 1/02 (2006.01) G01N 1/34 (2006.01) G01N 33/00 (2006.01)

Patent

CA 2283260

A sampling bottle (3) capable of sampling both corpuscular and gaseous chlorinated organic compounds, which are contained in a fluid, by capturing the same simultaneously, comprising a housing (6), and a capturing member (7) provided in the interior of the housing, the capturing member (7) having a porous tubular core (7a) which is closed at one end thereof with a closing element (7c) and formed of sintered glass, and a gas permeable sheet (7b) provided on an outer circumferential surface of the core (7a), the gas permeable sheet (7b) comprising, for example, a paper-like member containing fibrous active carbon and inorganic fibers, the corpuscular and gaseous chlorinated organic compounds contained in a sample gas sent through a sampling tube (2) being sampled simultaneously by the core (7a) and gas permeable sheet (7b), i.e., removed thereby from the gas, the resultant sample gas being then discharged from a discharge port (6b).

L'invention concerne un bouteille (3) d'échantillonnage permettant d'échantillonner des composés organiques chlorés gazeux et corpusculaires se trouvant dans un fluide, par piégeage simultané de ceux-ci. La bouteille comporte un logement (6) et un élément (7) de piégeage situé à l'intérieur du logement, l'élément (7) de piégeage présentant une partie centrale (7a) tubulaire poreuse qui est fermée à l'une de ses extrémités à l'aide d'un élément (7c) de fermeture, et est constituée de verre fritté; et une feuille (7b) perméable aux gaz située sur une surface du pourtour extérieur de la partie centrale (7a). La feuille (7b) perméable aux gaz comporte, par exemple, un élément de type papier contenant du charbon actif fibreux et des fibres inorganiques. Les composés organiques corpusculaires et chlorés gazeux se trouvant dans un gaz échantillon qu'on envoie dans un tuyau (2) d'échantillonnage sont échantillonnés simultanément par la partie centrale (7a) et la feuille (7b) perméable aux gaz, c.-à-d. qu'ils sont extraits du gaz, le gaz échantillon obtenu étant ensuite déchargé par un orifice (6b) de décharge.

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