Device and method for micro sorbent extraction and desorption

Details Device and method for micro sorbent extraction and desorption Device and method for micro sorbent extraction and desorption

G - Physics

01

N

G01N 1/00 (2006.01) G01N 1/02 (2006.01) G01N 1/28 (2006.01) G01N 1/34 (2006.01) G01N 30/04 (2006.01)

Patent

CA 2466197

This invention relates to a micro cartridge and to a method of using the micro cartridge to sample and extract components of interest from a gas or a liquid. The cartridge contains a sorbent and has passages through which a pressure drop can be created to permit access between the gas or liquid and the sorbent. The micro cartridge is elongated and has one pointed end to fit into the injection port of a suitable analysis instrument where the components of interest are desorbed. The cartridge has two ends that are covered by removable closures and preferably has a diameter of less than 1 millimeter. The cartridge can be used with micro machine components and components made using nano technology.

L'invention concerne une micro cartouche et une méthode d'utilisation de celle-ci pour échantillonner et extraire des composants d'intérêt d'un gaz ou d'un liquide. La cartouche contient un sorbant et comporte des passages par lesquels il est possible de créer une perte de charge pour permettre un accès entre le gaz ou le liquide et le sorbant. La micro cartouche est allongée et a une extrémité pointue pour s'emboîter dans la chambre d'injection d'un instrument d'analyse convenable où les composants d'intérêt sont désorbés. La cartouche comporte deux extrémités qui sont couvertes par des bouchons amovibles et qui ont préférablement un diamètre de moins de 1 millimètre. La cartouche peut être utilisée avec des micro composants de machine et des composants fabriqués au moyen de nanotechnologie.

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