Monitor of the concentration of particles of dense radioactive materials in a stream of air

Patent · Mon Jan 01 00:00:00 EST 1979

OSTI ID:863249

Yule, Thomas J ^[1]

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1. West Chigago, IL

A monitor of the concentration of particles of radioactive materials such as plutonium oxide in diameters as small as 1/2 micron includes in combination a first stage comprising a plurality of virtual impactors, a second stage comprising a further plurality of virtual impactors, a collector for concentrating particulate material, a radiation detector disposed near the collector to respond to radiation from collected material and means for moving a stream of air, possibly containing particulate contaminants, through the apparatus.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL (United States)
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4132894
• OSTI ID: 863249
• Country of Publication: United States
• Language: English

Related Subjects

monitor
concentration
particles
dense
radioactive
materials
stream
air
plutonium
oxide
diameters
micron
combination
stage
comprising
plurality
virtual
impactors
collector
concentrating
particulate
material
radiation
detector
disposed
near
respond
collected
means
moving
possibly
containing
contaminants
apparatus
virtual impactor
particulate contaminants
plutonium oxide
radioactive material
active material
particulate material
radiation detector
radioactive materials
active materials
containing particulate
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