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Atmospheric particle samplerPositive and/or negative pressure is used to trap airborne particles against a filter. Positive pressure is provided by low molecular weight gas (He or H) to achieve high particle velocity and high capture percentage. Trapped particles are examined under electron microscope.
Document ID
19760000059
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Miller, C. G.
Stephens, J. B.
Date Acquired
August 8, 2013
Publication Date
March 1, 1976
Publication Information
Publication: NASA Tech Briefs
Volume: 1
Issue: 1
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
NPO-13396
Accession Number
76B10059
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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