Apparatus for effective collection of explosive and narcotic...

G - Physics – 01 – N

Patent

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Details

G01N 1/22 (2006.01) G01N 1/00 (2006.01) G01N 33/22 (2006.01) G01N 33/94 (2006.01) G01N 1/02 (2006.01)

Patent

CA 2244498

An apparatus for collecting particulates and vapours from a contaminated surface includes a manifold having at least one nozzle receiving gas from a supply and directing at least one jet of gas onto a target area of the surface thereby to dislodge particulates and vapours from the surface. The manifold also has an orifice therein, one end of which is adjacent the target area. A pump draws gas and particulates and vapours dislodged from the target area of the surface into the orifice thereby to collect the particulates and vapours for analysis. A method for collecting particulates and vapours is also disclosed.

Appareil de collecte de particules et de vapeurs provenant d'une surface contaminée. L'appareil comprend un collecteur équipé d'au moins un bec collecteur qui reçoit le gaz provenant d'une source d'alimentation et distribue au moins un jet de gaz sur une zone cible d'une surface, ce qui permet de déloger les particules et la vapeur de la surface. Le collecteur comprend un orifice dont une extrémité se trouve près de la zone cible. Une pompe aspire dans un orifice le gaz, les particules et les vapeurs délogés de la zone cible qui sont ensuite recueillis à des fins d'analyse. L'invention décrit également une méthode de collecte de particules et de vapeurs.

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