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An Online Parallel-Plate Wet Denuder System for Monitoring Acetic Acid Gas
2010
Aerosol and Air Quality Research
In air environments, acetic acid gas may lead to irritations, generate pungent odor, and cause objects to corrode. This paper examines an online parallel-plate wet denuder system to monitor gaseous acid at ppbv concentration levels. Denuder surfaces which comprised frosted glass plates coated with a thin layer of TiO 2 nanoparticles were covered by a thin film made of ultrapure water or 0.5 mM H 2 O 2 to absorb the test acetic gases that were generated from a small thermostatic evaporation
doi:10.4209/aaqr.2010.03.0023
fatcat:pd25dmnu45dunccn6dyl7szw4e