G - Physics – 01 – T
Patent
G - Physics
01
T
324/62
G01T 1/167 (2006.01) G01N 15/02 (2006.01) G01T 7/02 (2006.01) G01N 1/22 (2006.01)
Patent
CA 1149462
ABSTRACT OF THE DISCLOSURE Device for analyzing the activity of a radio- active aerosol as a function of the grain size distribut- ion of its particles of the type comprising a tight enclosure, means for circulating the aerosol through said enclosure and within the latter, a plurality of stages for collecting aerosol particles with a given grain size, each of the stages comprising an aerosol injection plate perforated by at least one calibrated opening and a col- lection plate for particles of a given grain size, wherein it comprises means for establishing an electric field between the injection and collection plates of each of the stages with a view to establishing an ionisation current through a stage during the disintegration of the particles collected in the latter and means for measuring the ion- isation current of one of the said stages.
332571
Madelaine Guy
Pourprix Michel
Commissariat A. L'energie Atomique
Goudreau Gage Dubuc
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