Ion counter
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United States of America Patent
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May 13, 2008
Grant Date -
Apr 6, 2006
app pub date -
Oct 14, 2003
filing date -
Oct 14, 2002
priority date (Note) -
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status (Latency Note)
Importance
Abstract
Ions in a steady flow sample are counted by colliding the ions in a mixing chamber with a numerical excess of uncharged or neutral aerosol particles, suitably glycerol, entrained in air, to transfer respective charges from the ions to charge individual aerosol particles and passing the gases through a separating chamber subjected to an electric field to direct the charged aerosol particles to impinge upon an optical particle counter.
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