Electrostatic Aerosol Sampler for Light and Electron Microscopy

Abstract

A two stage electrostatic aerosol sampler capable of accurate sampling of micron and submicron size aerosols onto any flat collecting surface of an area up to 5×10 cm2 is described. Size classification of the deposited aerosol is prevented by the use of a novel pulsed precipitating electric field. Sampling efficiency and the uniformity of the deposited aerosol has been determined using monodispersed flourescent aerosols over the size range from 0.028 to 3.2 μ. The sampler has been found to be very satisfactory for obtaining aerosol samples for electron or light microscopy.