Device and method for micro sorbent extraction and desorption
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United States of America Patent
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Jan 12, 2010
Grant Date -
Jan 8, 2009
app pub date -
Sep 8, 2008
filing date -
Nov 26, 2001
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Abstract
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.
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