Abstract
This paper describes the fundamental layout of a compact device for rapid analysis of heavymetal
vapors and aerosols in air. The device is based on an original source for exciting
the luminescence spectra of air. The source is a stabilized dc arc with a thermochemical cathode
in which the air is pumped through the interelectrode gap. The luminescence spectrum of
air is recorded by a linear position-sensitive CCD photodetector. The spectrum is processed and
digitized by a special controller. The device makes it possible to determine the concentration
in air of heavy-metal vapors and aerosols in real time at a level of 0.5 of the maximum permissible
concentration.
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