Measurement of Ambient Fine Particles (PM<SUB>2.5</SUB>)

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  • Sakamoto Kazuhiko
    Graduate School of Science and Engineering, Saitama University Institute for Environmental Science and Technology, Saitama University

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  • 微小粒子状物質（PM<SUB>2.5</SUB>）の測定
  • 微小粒子状物質(PM2.5)の測定
  • ビショウリュウシジョウ ブッシツ PM2 5 ノ ソクテイ

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Abstract

The recent activities in research and developments of PM2.5 mass monitoring and its chemical speciation were introduced. Major chemical components of recent PM2.5 in Japan were sulfate, nitrate, ammonium, organics, and elemental carbon. In order to avoid or suppress artifacts derived from their sampling and/or analyses of those chemical components, this paper reviews several sampling methods with an annular-denuder filter-pack and related analysis or high-time resolution monitoring method such as a thermal-optical reflectance carbon analysis and an Aerodyne aerosol mass spectrometer. The advantages and limitations of their methods are discussed.

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