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Overview of the ACMCC particulate organonitrates (pON) intercomparison

Abstract : Particulate organonitrates (pON) account for significant fraction (5-80% by mass) of total OA in ambient air. They are formed from the reactions of volatile organic compounds (VOCs) with atmospheric oxidants (OH/NO3 radicals) and NOx. Their quantification can be achieved using aerosol mass spectrometry (AMS), based on the characteristic mass fragment ratio (NO2+/NO+) allowing the distinction from inorganic nitrate. However, the accuracy of the low-resolution aerosol chemical speciation monitor (ACSM) to determine pON has not yet been evaluated. At the Aerosol Chemical Monitor Calibration Centre (AMCC), an intercomparison for the measurements of pON has been performed in order to obtain a stable and constant generation of pON, so to compare simultaneously the response of nine different AMS/ACSM systems (long-TOF-AMS vs ACSMs; Quads vs TOFs; standard vs capture vaporizers), as well as to investigate the pON physical properties and chemical composition...
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https://hal-ineris.archives-ouvertes.fr/ineris-03237749
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Submitted on : Wednesday, May 26, 2021 - 6:12:08 PM
Last modification on : Saturday, June 19, 2021 - 3:14:05 AM

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  • HAL Id : ineris-03237749, version 1

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Alexandre Albinet, Jean-Eudes Petit, Andrew Lambe, Athina Kalogridis, Liine Heikkinen, et al.. Overview of the ACMCC particulate organonitrates (pON) intercomparison. European Aerosol Conference (EAC 2019), Aug 2019, Gothenburg, Sweden. ⟨ineris-03237749⟩

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