Counting and measuring particles sized from soot to pollen_中国颗粒学会

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Partic. vol. 5 no. 5 pp. 359-361 (October 2007)
doi: 10.1016/j.cpart.2007.05.006

Instrument

Counting and measuring particles sized from soot to pollen

Martin Schmidt*, Sven Schütz, Leander Mölter

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mail@palas.de

Abstract

For number concentration measurements of superfine particles a condensation nucleus counter (CNC) is frequently used. The combination of a new CNC module with a white light aerosol spectrometer and a passive collector makes possible accurate time-resolved determination of particle number within the overall size range of 10 nm to 40 μm and at concentrations up to 105 particles/cm3. With the aerosol spectrometer a high time-resolved particle size determination is also possible in the size range of 0.3–40 μm up to the same high number concentrations of 105 particles/cm3.

Keywords

CNC; Particles; Size