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OALib Journal期刊
ISSN: 2333-9721
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DESIGN OF AN ANNULAR DENUDER/CASCADE IMPACTOR SYSTEM AND MEASUREMENT OF ACIDITY OF FINE PARTICLES
环状扩散管-分级采样器的建立和细粒子酸性的测定

Keywords: Annular denuder/cascade impactor system,atmospheric aerosol acidity
气溶胶
,采样器,颗粒物酸性,大气监测

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Abstract:

An annular denuder/cascade impactor system was designed and evaluated for the first time in China to study aerosol acidity. Laboratory tests and field mesurements showed a good performance of the system, capable of avoiding interference of basic gases, such as NH 3 , with acid aerosols during sampling. The acidity of fine particles was measured in nine sites of China.

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