Use of an aerodynamic particle sizer as a real-time monitor in generation of ideal solid aerosols
1986; Elsevier BV; Volume: 17; Issue: 6 Linguagem: Inglês
10.1016/0021-8502(86)90022-4
ISSN1879-1964
Autores Tópico(s)Atmospheric aerosols and clouds
ResumoA method based on real-time responses of an aerodynamic particle sizer (APS) has been developed to monitor the formation of both ideal and nonideal solid aerosol particles. Preliminary studies demonstrated that, at various generating conditions, the morphology change of particles in photomicrographs can be identified from the channel shift in the APS outputs. With this method, the time-consuming conventional way of ensuring the dryness, sphericity and monodispersity of particles with scanning electron microscopic studies is not required. The technique has been used successfully to determine optimum conditions for the generation of monodisperse ammonium fluorescein particles (3–17 μm) with a vibrating orifice aerosol generator under certain operating conditions. The mean density of the particles that were generated was calculated to be 1.35 g cm−3.
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