Measurement of mass of aerosol particles

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Other Title
  • エアロゾル粒子の質量を測る
  • エアロゾル リュウシ ノ シツリョウ オ ハカル

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Description

An aerosol particle mass analyzer (APM) which classifies aerosol particles according to their mass has been developed. Mass distributions of aerosol particles can be measured by the APM combined with a particle counting device. Particle mass that can be measured in this way ranges from 3×10-18 g to 2×10-12 g, which partially fills the mass range that is not covered by existing mass measuring instruments (e.g., mass spectrometers and conventional balances). The introduction of the APM has led to various new techniques for evaluating aerosol particle properties such as effective and true densities, porosities, fractal dimensions, and mass concentrations of suspended particulates. This article describes the principle of the APM and how it differs from other instruments for classifying aerosol particles. The article also describes the significance of measuring aerosol particle mass and the course of events that led to commercialization of the APM from the viewpoint of “synthesiology.”

Journal

  • Synthesiology

    Synthesiology 12 (2), 92-106, 2019

    National Institute of Advanced Industrial Science and Technology

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