Dry transfer method for the preparation of explosives test samples
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United States of America Patent
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Aug 18, 2000
filing date -
Aug 18, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of preparing samples for testing explosive and drug detectors of the type that search for particles in air. A liquid containing the substance of interest is placed on a flexible Teflon.RTM. surface and allowed to dry, then the Teflon.RTM. surface is rubbed onto an item that is to be tested for the presence of the substance of interest. The particles of the substance of interest are transferred to the item but are readily picked up by an air stream or other sampling device and carried into the detector.
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