Devices, systems and methods for elution of particles from flat filters
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United States of America Patent
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Jan 3, 2017
Issued Date -
N/A
app pub date -
Nov 19, 2013
filing date -
Sep 21, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Devices, systems and methods are disclosed which relate to using a wet foam elution method for removal of particles from a flat filter. Particles are captured from the atmosphere onto the flat filter. The flat filter is then placed into an extractor which passes a stream of wet foam through the flat filter. Expansion of the foam works to efficiently remove captured particles. The foam flows from the filter along with the captured particles into a sample container. Once in the sample container, the foam quickly breaks down leaving an analysis ready liquid sample.
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