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Design and characterization of a smog chamber for studying gas-phase chemical mechanisms and aerosol chemistry

Author(s): X. Wang | T. Liu | F. Bernard | X. Ding | S. Wen | Y. Zhang | Z. Zhang | Q. He | S. Lü | J. Chen | S. Saunders | J. Yu

Journal: Atmospheric Measurement Techniques Discussions
ISSN 1867-8610

Volume: 6;
Issue: 4;
Start page: 7735;
Date: 2013;
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We describe here characterization of a new state-of-the-art smog chamber facility for studying atmospheric gas phase and aerosol chemistry. The chamber consists of a 30 m3 fluorinated ethylene propylene (FEP) Teflon film reactor suspended in a temperature-controlled enclosure equipped with two banks of black lamps as the light source. Temperature can be set in the range from −10 °C to 40 °C at accuracy of ±1 °C as measured by eight temperature sensors inside the enclosure and one just inside the reactor. Matrix air can be purified with NMHCs < 0.5 ppb, NOx/O3/carbonyls < 1 ppb and particles < 1 cm
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