Method and device for detecting and identifying chemical agents
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United States of America Patent
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Sep 6, 2011
Grant Date -
May 8, 2008
app pub date -
Jun 1, 2005
filing date -
Jul 7, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A feeding device for enriching and feeding a fluid sample into a chemical detector, the feeding device comprises (a) a sorbent element having a sorbent material for sorbing at least one target chemical present in the fluid sample; (b) a desorbing mechanism for generating conditions for the sorbent material to desorb the at least one target chemical out of the sorbent material, thereby to provide an enriched fluid sample; and (c) a loose connector, for providing a loose connection between the feeding device and the chemical detector, such that when the sorbent material desorbs the at least one target chemical, the chemical detector is fed by the enriched fluid sample, and when the sorbent material sorbs the at least one target chemical, the chemical detector is fed by environmental fluids.
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