DETECTOR APPARATUS
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United States of America Patent
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Issued Date -
Apr 29, 2010
app pub date -
Jun 13, 2008
filing date -
Jun 26, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A detector apparatus supplies samples of gas or vapour to an ion mobility spectrometer (1) via a tube (2). The tube is made of fluorinated ethylene propylene selected to reduce adhesion of substances of interest to the tube, which may also be heated along its length further to reduce adhesion. The tube (2) is closely spaced from the inlet orifice (10) of the spectrometer 1 and opens into an enclosure (3) housing a fan (4), which draws gas and vapour through the tube. The tube (2) may be flexible and extend for some distance to enable sampling from locations remote from the spectrometer (1).
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