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United States of America Patent
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Aug 19, 2003
Grant Date -
Oct 17, 2002
app pub date -
Apr 13, 2001
filing date -
Apr 13, 2001
priority date (Note) -
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Abstract
A passive air sampler is designed to facilitate emptying granular or particulate adsorbent from it directly into a thermal desorption tube or other vessel for use in an analytical instrument. The preferred form has an adsorbent container in a conical or funnel-like shape.
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