Environmental chambers

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environmental chambers

Large reactors, usually made of glass or polytetrafluoroethylene (PTFE) film, in which gas-phase chemical reactions are carried out to simulate changes occurring in the atmosphere.

Either natural sunlight or artificial ultraviolet lighting can be used to initiate the chemistry. The buildup of products such as nitrogen dioxide and ozone is monitored using techniques such as gas chromatography or infrared spectroscopy.

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