Alexandre Albinet, Nicolas Papaiconomou
A new ionic liquid 1-octyl-3,5-dimethylpyridinium iodide ([O35LUT]+[I]−) was synthesized and utilized as coating for an ozone denuder device based on a high-volume aerosol sampler (30 m3h−1). Particle transmission of the denuder was studied, and over 99% of particles ranging from 10 to 2,500 nm were transmitted. The device, containing 4.66 g of ionic liquid, was used outdoors, under dry and damp atmospheric conditions. To expose the device to an average concentration of 120 ppbv (240 µg m−3) of ozone in air, an additional production of ozone was directly injected into the denuder. Under these conditions, over 97% of ozone was removed for approximately 120 h (5 days). Therefore, iodide-based ionic liquids can be used as a new alternative to conventional denuder coatings in order to reduce artifacts occurring during sampling of particulate matter. Future applications are not limited to ozone removal for specific aerosol sampling methods.
@article{76868181-9204-4fde-bb93-7b149165684d,
title={A new ozone denuder for aerosol sampling},
author={Alexandre Albinet and Nicolas Papaiconomou},
year={2026},
language={en}
}TY - JOUR TI - A new ozone denuder for aerosol sampling AU - Alexandre Albinet AU - Nicolas Papaiconomou PY - 2026 LA - en ER -
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