Articles | Volume 17, issue 17
https://doi.org/10.5194/amt-17-5113-2024
© Author(s) 2024. 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-17-5113-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| Highlight paper
| 
05 Sep 2024
Research article | Highlight paper |
| 05 Sep 2024
| 05 Sep 2024
Optimizing the iodide-adduct chemical ionization mass spectrometry (CIMS) quantitative method for toluene oxidation intermediates: experimental insights into functional-group differences
Mengdi Song
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, PR China
International Joint Laboratory for Regional Pollution Control, Ministry of Education, Beijing, 100816, PR China
Shuyu He
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, PR China
International Joint Laboratory for Regional Pollution Control, Ministry of Education, Beijing, 100816, PR China
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, PR China
Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Nanjing University of Information Science & Technology, Nanjing, 210044, PR China
International Joint Laboratory for Regional Pollution Control, Ministry of Education, Beijing, 100816, PR China
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, PR China
International Joint Laboratory for Regional Pollution Control, Ministry of Education, Beijing, 100816, PR China
Shengrong Lou
State Environmental Protection Key Laboratory of Formation and Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental Sciences, Shanghai, 200233, PR China
Sihua Lu
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, PR China
International Joint Laboratory for Regional Pollution Control, Ministry of Education, Beijing, 100816, PR China
Limin Zeng
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, PR China
International Joint Laboratory for Regional Pollution Control, Ministry of Education, Beijing, 100816, PR China
Yuanhang Zhang
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, PR China
International Joint Laboratory for Regional Pollution Control, Ministry of Education, Beijing, 100816, PR China
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Cited
10 citations as recorded by crossref.
- Speciated measurement of bicyclic peroxy radicals via iodide-CIMS and its implication on OH-initiated aromatic oxidation Y. Liu et al. https://doi.org/10.5194/acp-25-15819-2025
- Empirical Approach to Quantifying Sensitivity in Different Chemical Ionization Techniques for Organonitrates and Nitroaromatics Constrained by Ion–Molecule Reaction and Transmission Efficiency S. He et al. https://doi.org/10.1021/acs.analchem.4c03751
- Characterization of the newly designed wall-free particle evaporator (WALL-E) for online measurements of atmospheric particles L. Gao et al. https://doi.org/10.5194/amt-18-5087-2025
- Identifying key parameters that affect sensitivity of flow tube chemical ionization mass spectrometers S. Aggarwal et al. https://doi.org/10.5194/amt-18-4227-2025
- Experimental Insights on the NO-Dependent Yields of Aromatic Hydrocarbon Oxidation Products M. Song et al. https://doi.org/10.1021/acs.est.5c06022
- The Combined Effect of NOx and NH3 on Toluene Photooxidation and SOA Formation L. Shijie et al. https://doi.org/10.1021/acsearthspacechem.5c00207
- Detection of Gaseous Mercuric Halides Using Acetate and Iodide Chemical Ionization Mass Spectrometry M. Bahramsari & A. Khalizov https://doi.org/10.1021/acs.analchem.5c07120
- Ammonium Chemical Ionization Mass Spectrometry (NH4+-CIMS) for Measurements of Atmospheric High-Molecular-Weight Oxygenated Volatile Organic Compounds C. Hou et al. https://doi.org/10.1021/acs.analchem.5c07134
- Multiphase Chemistry and Phase State Explain Nonlinear Effects in the Formation and Evaporation of SOA from Mixed Monoterpene Precursors H. Kang et al. https://doi.org/10.1021/acsestair.5c00438
- Chemical characteristics of submicron particles in the Yellow Sea of Korea using aircraft measurements during the 2019–2023 period J. Park et al. https://doi.org/10.1016/j.envres.2025.123148
10 citations as recorded by crossref.
- Speciated measurement of bicyclic peroxy radicals via iodide-CIMS and its implication on OH-initiated aromatic oxidation Y. Liu et al. https://doi.org/10.5194/acp-25-15819-2025
- Empirical Approach to Quantifying Sensitivity in Different Chemical Ionization Techniques for Organonitrates and Nitroaromatics Constrained by Ion–Molecule Reaction and Transmission Efficiency S. He et al. https://doi.org/10.1021/acs.analchem.4c03751
- Characterization of the newly designed wall-free particle evaporator (WALL-E) for online measurements of atmospheric particles L. Gao et al. https://doi.org/10.5194/amt-18-5087-2025
- Identifying key parameters that affect sensitivity of flow tube chemical ionization mass spectrometers S. Aggarwal et al. https://doi.org/10.5194/amt-18-4227-2025
- Experimental Insights on the NO-Dependent Yields of Aromatic Hydrocarbon Oxidation Products M. Song et al. https://doi.org/10.1021/acs.est.5c06022
- The Combined Effect of NOx and NH3 on Toluene Photooxidation and SOA Formation L. Shijie et al. https://doi.org/10.1021/acsearthspacechem.5c00207
- Detection of Gaseous Mercuric Halides Using Acetate and Iodide Chemical Ionization Mass Spectrometry M. Bahramsari & A. Khalizov https://doi.org/10.1021/acs.analchem.5c07120
- Ammonium Chemical Ionization Mass Spectrometry (NH4+-CIMS) for Measurements of Atmospheric High-Molecular-Weight Oxygenated Volatile Organic Compounds C. Hou et al. https://doi.org/10.1021/acs.analchem.5c07134
- Multiphase Chemistry and Phase State Explain Nonlinear Effects in the Formation and Evaporation of SOA from Mixed Monoterpene Precursors H. Kang et al. https://doi.org/10.1021/acsestair.5c00438
- Chemical characteristics of submicron particles in the Yellow Sea of Korea using aircraft measurements during the 2019–2023 period J. Park et al. https://doi.org/10.1016/j.envres.2025.123148
Saved (final revised paper)
Latest update: 25 Jun 2026
Editorial statement
Chemical ionization mass-spectrometry (CIMS) has been widely used in atmospheric chemistry research to detect oxygenated organic compounds. However, accurate quantification of species which do not have generic standards remains a major challenge for CIMS application, and semi-quantitative methods which have been developed to solve this dilemma usually have very large uncertainties. This work introduced a novel classification approach which greatly enhances the accuracy of semi-quantitative methods and effectively reduces their uncertainties. Although the approach was developed in this work specifically for toluene oxidation products, the concept can also be applied to other oxygenated organic compounds and may significantly enhance the quantification ability of CIMS.
Chemical ionization mass-spectrometry (CIMS) has been widely used in atmospheric chemistry...
Short summary
We introduce detailed and improved quantitation and semi-quantitation methods of iodide-adduct time-of-flight chemical ionization mass spectrometry (I-CIMS) to measure toluene oxidation intermediates. We assess the experimental sensitivity of various functional group species and their binding energy with iodide ions in I-CIMS. A novel classification approach was introduced to significantly enhance the accuracy of semi-quantitative methods (improving R2 values from 0.52 to beyond 0.88).
We introduce detailed and improved quantitation and semi-quantitation methods of iodide-adduct...
