Electrical detection of airborne particulates using surface ionization techniques

Various individual aerosol particles may be detected by causing them to impinge onto a heated metal surface where they pyrolyze and transfer surface-ionizable constituents to the surface. The surface-ionizable constituents then become ionized and are released as a burst of ions. For particles of sim...

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Bibliographic Details
Published in:Environmental science & technology 1975-04, Vol.9 (4), p.334-336
Main Authors: Myers, Richard L, Fite, Wade L
Format: Article
Language:English
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Summary:Various individual aerosol particles may be detected by causing them to impinge onto a heated metal surface where they pyrolyze and transfer surface-ionizable constituents to the surface. The surface-ionizable constituents then become ionized and are released as a burst of ions. For particles of similar composition, the number of ions per pulse is related to the particle size. The technique is detailed.
ISSN:0013-936X
1520-5851
DOI:10.1021/es60102a001