Articles | Volume 13, issue 11
https://doi.org/10.5194/amt-13-6193-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-13-6193-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Nov 2020
Research article |
| 19 Nov 2020
| 19 Nov 2020
Interferences with aerosol acidity quantification due to gas-phase ammonia uptake onto acidic sulfate filter samples
Benjamin A. Nault
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
now at: Center for Aerosols and Cloud Chemistry, Aerodyne Research, Inc., Billerica, MA, USA
Pedro Campuzano-Jost
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
Douglas A. Day
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
Hongyu Guo
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
Duseong S. Jo
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
now at: Advanced Study Program, National Center for Atmospheric Research, Boulder, CO, USA
Anne V. Handschy
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
Demetrios Pagonis
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
Jason C. Schroder
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
now at: Colorado Department of Public Health and Environment, Denver, CO, USA
Melinda K. Schueneman
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
Michael J. Cubison
TOFWERK AG, Boulder, CO, USA
Jack E. Dibb
Earth Systems Research Center, Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, NH, USA
Alma Hodzic
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
Weiwei Hu
State Key Laboratory at Organic Geochemistry, Guangzhou, Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China
Brett B. Palm
Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA
Jose L. Jimenez
CORRESPONDING AUTHOR
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA
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6 citations as recorded by crossref.
- Inter-comparison of online and offline methods for measuring ambient heavy and trace elements and water-soluble inorganic ions (NO<sub>3</sub><sup>−</sup>, SO<sub>4</sub><sup>2−</sup>, NH<sub>4</sub><sup>+</sup>, and Cl<sup>−</sup>) in PM<sub>2.5</sub> over a heavily polluted megacity, Delhi H. Bhowmik et al. 10.5194/amt-15-2667-2022
- Direct measurement of the pH of aerosol particles using carbon quantum dots E. Tackman et al. 10.1039/D2AY01005D
- Chemical transport models often underestimate inorganic aerosol acidity in remote regions of the atmosphere B. Nault et al. 10.1038/s43247-021-00164-0
- Conversion of Catechol to 4-Nitrocatechol in Aqueous Microdroplets Exposed to O3 and NO2 M. Rana et al. 10.1021/acsestair.3c00001
- Understanding the Evolution of Smoke Mass Extinction Efficiency Using Field Campaign Measurements P. Saide et al. 10.1029/2022GL099175
- Observations of cyanogen bromide (BrCN) in the global troposphere and their relation to polar surface O3 destruction J. Roberts et al. 10.5194/acp-24-3421-2024
6 citations as recorded by crossref.
- Inter-comparison of online and offline methods for measuring ambient heavy and trace elements and water-soluble inorganic ions (NO<sub>3</sub><sup>−</sup>, SO<sub>4</sub><sup>2−</sup>, NH<sub>4</sub><sup>+</sup>, and Cl<sup>−</sup>) in PM<sub>2.5</sub> over a heavily polluted megacity, Delhi H. Bhowmik et al. 10.5194/amt-15-2667-2022
- Direct measurement of the pH of aerosol particles using carbon quantum dots E. Tackman et al. 10.1039/D2AY01005D
- Chemical transport models often underestimate inorganic aerosol acidity in remote regions of the atmosphere B. Nault et al. 10.1038/s43247-021-00164-0
- Conversion of Catechol to 4-Nitrocatechol in Aqueous Microdroplets Exposed to O3 and NO2 M. Rana et al. 10.1021/acsestair.3c00001
- Understanding the Evolution of Smoke Mass Extinction Efficiency Using Field Campaign Measurements P. Saide et al. 10.1029/2022GL099175
- Observations of cyanogen bromide (BrCN) in the global troposphere and their relation to polar surface O3 destruction J. Roberts et al. 10.5194/acp-24-3421-2024
Latest update: 29 Jun 2024
Short summary
Collecting particulate matter, or aerosols, onto filters to be analyzed offline is a widely used method to investigate the mass concentration and chemical composition of the aerosol, especially the inorganic portion. Here, we show that acidic aerosol (sulfuric acid) collected onto filters and then exposed to high ammonia mixing ratios (from human emissions) will lead to biases in the ammonium collected onto filters, and the uptake of ammonia is rapid (< 10 s), which impacts the filter data.
Collecting particulate matter, or aerosols, onto filters to be analyzed offline is a widely used...
