Articles | Volume 14, issue 8
https://doi.org/10.5194/amt-14-5319-2021
© Author(s) 2021. 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-14-5319-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| Highlight paper
| 
03 Aug 2021
Research article | Highlight paper |
| 03 Aug 2021
| 03 Aug 2021
Iodide CIMS and m∕z 62: the detection of HNO3 as NO3− in the presence of PAN, peroxyacetic acid and ozone
Raphael Dörich
Atmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128, Mainz, Germany
Philipp Eger
Atmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128, Mainz, Germany
Jos Lelieveld
Atmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128, Mainz, Germany
Atmospheric Chemistry Department, Max Planck Institute for Chemistry, 55128, Mainz, Germany
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Cited
24 citations as recorded by crossref.
- Formation of Highly Oxidized Organic Compounds and Secondary Organic Aerosol from α-Thujene Ozonolysis M. Dam et al. https://doi.org/10.1021/acs.jpca.3c02584
- High Time Resolution Ambient Observations of Gas-Phase Perfluoroalkyl Carboxylic Acids: Implications for Atmospheric Sources C. Young et al. https://doi.org/10.1021/acs.estlett.4c00897
- Gas-Phase Reactions of Chlorine Oxide Anions with Ozone: Atmospheric Implications S. Brydon et al. https://doi.org/10.1021/acsearthspacechem.5c00052
- Laboratory and field characterization of an atmospheric pressure transverse chemical ionization ion-molecule reaction region P. Rund et al. https://doi.org/10.5194/amt-18-6979-2025
- Continuous Measurements of Atmospheric Monochloroacetic Acid: Evidence of Photochemical Formation S. Joudan et al. https://doi.org/10.1021/acs.estlett.6c00211
- Observations of Reactive Bromine in the Sub-Tropical Marine Boundary Layer P. Rund et al. https://doi.org/10.1021/acsestair.6c00124
- Technical note: Gas-phase nitrate radical generation via irradiation of aerated ceric ammonium nitrate mixtures A. Lambe et al. https://doi.org/10.5194/acp-23-13869-2023
- Weak Temperature Dependence of the Relative Rates of Chlorination and Hydrolysis of N2O5 in NaCl–Water Solutions S. Kregel et al. https://doi.org/10.1021/acs.jpca.2c06543
- Chloramine chemistry as a missing link in atmospheric chlorine cycling Y. Chen et al. https://doi.org/10.1126/sciadv.adv4298
- Abundance of NO3 Derived Organo-Nitrates and Their Importance in the Atmosphere A. Foulds et al. https://doi.org/10.3390/atmos12111381
- A novel technique for the humidity dependent calibration of hypoiodous acid (HOI) and iodine (I2) L. Marden et al. https://doi.org/10.5194/amt-19-2715-2026
- Optimizing the iodide-adduct chemical ionization mass spectrometry (CIMS) quantitative method for toluene oxidation intermediates: experimental insights into functional-group differences M. Song et al. https://doi.org/10.5194/amt-17-5113-2024
- Global tropospheric halogen (Cl, Br, I) chemistry and its impact on oxidants X. Wang et al. https://doi.org/10.5194/acp-21-13973-2021
- Nocturnal vertical gradients in O3, PAN and PAA in a boreal forest: the role of chemical reactions, deposition and entrainment S. Andersen et al. https://doi.org/10.1039/D5EA00159E
- A versatile vacuum ultraviolet ion source for reduced pressure bipolar chemical ionization mass spectrometry M. Breitenlechner et al. https://doi.org/10.5194/amt-15-1159-2022
- Molecular Compositions, Mutagenicity, and Mutation Spectra of Atmospheric Oxidation Products of Alkenes and Dienes Initiated by NOx + UV or Ozone: A Structure–Activity Analysis M. Lewandowski et al. https://doi.org/10.1021/acs.est.4c04603
- Reactive Chlorine Emissions from Cleaning and Reactive Nitrogen Chemistry in an Indoor Athletic Facility A. Moravek et al. https://doi.org/10.1021/acs.est.2c04622
- An Alternative Calibration Method for Measuring N2O5 with an Iodide-Chemical Ionization Mass Spectrometer and Influencing Factors Y. Liu et al. https://doi.org/10.1021/acs.analchem.3c04089
- Vehicle emission ratios of HCN and HONO measured near a highway in Meridian, Idaho A. Lindsay et al. https://doi.org/10.1016/j.atmosenv.2025.121379
- Airborne measurements of peroxyacetyl nitric anhydride (PAN) and peroxyacetic acid (PAA) over the Amazon rainforest: the role of isoprene and the fate of the peroxyacetyl radical C. Nelson et al. https://doi.org/10.1039/D5EA00169B
- Peroxy acetyl nitric anhydride (PAN) and peroxy acetic acid (PAA) over the Atlantic west of Africa during CAFE-Africa and the influence of biomass-burning J. Crowley et al. https://doi.org/10.1039/D5EA00006H
- A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry E. Tsiligiannis et al. https://doi.org/10.1029/2021GL097366
- Mass spectrometric measurements of ambient ions and estimation of gaseous sulfuric acid in the free troposphere and lowermost stratosphere during the CAFE-EU/BLUESKY campaign M. Zauner-Wieczorek et al. https://doi.org/10.5194/acp-22-11781-2022
- Airborne remote sensing of nitrous acid in the troposphere: potential sources of excess HONO B. Weyland et al. https://doi.org/10.5194/acp-26-6825-2026
24 citations as recorded by crossref.
- Formation of Highly Oxidized Organic Compounds and Secondary Organic Aerosol from α-Thujene Ozonolysis M. Dam et al. https://doi.org/10.1021/acs.jpca.3c02584
- High Time Resolution Ambient Observations of Gas-Phase Perfluoroalkyl Carboxylic Acids: Implications for Atmospheric Sources C. Young et al. https://doi.org/10.1021/acs.estlett.4c00897
- Gas-Phase Reactions of Chlorine Oxide Anions with Ozone: Atmospheric Implications S. Brydon et al. https://doi.org/10.1021/acsearthspacechem.5c00052
- Laboratory and field characterization of an atmospheric pressure transverse chemical ionization ion-molecule reaction region P. Rund et al. https://doi.org/10.5194/amt-18-6979-2025
- Continuous Measurements of Atmospheric Monochloroacetic Acid: Evidence of Photochemical Formation S. Joudan et al. https://doi.org/10.1021/acs.estlett.6c00211
- Observations of Reactive Bromine in the Sub-Tropical Marine Boundary Layer P. Rund et al. https://doi.org/10.1021/acsestair.6c00124
- Technical note: Gas-phase nitrate radical generation via irradiation of aerated ceric ammonium nitrate mixtures A. Lambe et al. https://doi.org/10.5194/acp-23-13869-2023
- Weak Temperature Dependence of the Relative Rates of Chlorination and Hydrolysis of N2O5 in NaCl–Water Solutions S. Kregel et al. https://doi.org/10.1021/acs.jpca.2c06543
- Chloramine chemistry as a missing link in atmospheric chlorine cycling Y. Chen et al. https://doi.org/10.1126/sciadv.adv4298
- Abundance of NO3 Derived Organo-Nitrates and Their Importance in the Atmosphere A. Foulds et al. https://doi.org/10.3390/atmos12111381
- A novel technique for the humidity dependent calibration of hypoiodous acid (HOI) and iodine (I2) L. Marden et al. https://doi.org/10.5194/amt-19-2715-2026
- Optimizing the iodide-adduct chemical ionization mass spectrometry (CIMS) quantitative method for toluene oxidation intermediates: experimental insights into functional-group differences M. Song et al. https://doi.org/10.5194/amt-17-5113-2024
- Global tropospheric halogen (Cl, Br, I) chemistry and its impact on oxidants X. Wang et al. https://doi.org/10.5194/acp-21-13973-2021
- Nocturnal vertical gradients in O3, PAN and PAA in a boreal forest: the role of chemical reactions, deposition and entrainment S. Andersen et al. https://doi.org/10.1039/D5EA00159E
- A versatile vacuum ultraviolet ion source for reduced pressure bipolar chemical ionization mass spectrometry M. Breitenlechner et al. https://doi.org/10.5194/amt-15-1159-2022
- Molecular Compositions, Mutagenicity, and Mutation Spectra of Atmospheric Oxidation Products of Alkenes and Dienes Initiated by NOx + UV or Ozone: A Structure–Activity Analysis M. Lewandowski et al. https://doi.org/10.1021/acs.est.4c04603
- Reactive Chlorine Emissions from Cleaning and Reactive Nitrogen Chemistry in an Indoor Athletic Facility A. Moravek et al. https://doi.org/10.1021/acs.est.2c04622
- An Alternative Calibration Method for Measuring N2O5 with an Iodide-Chemical Ionization Mass Spectrometer and Influencing Factors Y. Liu et al. https://doi.org/10.1021/acs.analchem.3c04089
- Vehicle emission ratios of HCN and HONO measured near a highway in Meridian, Idaho A. Lindsay et al. https://doi.org/10.1016/j.atmosenv.2025.121379
- Airborne measurements of peroxyacetyl nitric anhydride (PAN) and peroxyacetic acid (PAA) over the Amazon rainforest: the role of isoprene and the fate of the peroxyacetyl radical C. Nelson et al. https://doi.org/10.1039/D5EA00169B
- Peroxy acetyl nitric anhydride (PAN) and peroxy acetic acid (PAA) over the Atlantic west of Africa during CAFE-Africa and the influence of biomass-burning J. Crowley et al. https://doi.org/10.1039/D5EA00006H
- A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry E. Tsiligiannis et al. https://doi.org/10.1029/2021GL097366
- Mass spectrometric measurements of ambient ions and estimation of gaseous sulfuric acid in the free troposphere and lowermost stratosphere during the CAFE-EU/BLUESKY campaign M. Zauner-Wieczorek et al. https://doi.org/10.5194/acp-22-11781-2022
- Airborne remote sensing of nitrous acid in the troposphere: potential sources of excess HONO B. Weyland et al. https://doi.org/10.5194/acp-26-6825-2026
Saved (final revised paper)
Latest update: 07 Nov 2026
Short summary
We demonstrate in laboratory experiments that the formation of IOx anions (formed in reactions of I− with O3) or acetate anions (formed e.g. by the reaction of I− with peracetic acid) results in unexpected sensitivity of an iodide chemical ionisation mass spectrometer (I-CIMS) to HNO3 at a mass-to-charge ratio of 62. This helps explain observations of apparent high daytime levels of N2O5. Airborne measurements using I-CIMS confirm these conclusions.
We demonstrate in laboratory experiments that the formation of IOx anions (formed in reactions...
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