Articles | Volume 9, issue 8
https://doi.org/10.5194/amt-9-3851-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-9-3851-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
19 Aug 2016
Research article |
| 19 Aug 2016
A new technique for the direct detection of HO2 radicals using bromide chemical ionization mass spectrometry (Br-CIMS): initial characterization
Javier Sanchez
School of Chemical and Biomolecular Engineering, Georgia Institute of
Technology, Atlanta, GA 30332, USA
David J. Tanner
School of Earth and Atmospheric Sciences, Georgia Institute of
Technology, Atlanta, GA 30332, USA
Dexian Chen
School of Earth and Atmospheric Sciences, Georgia Institute of
Technology, Atlanta, GA 30332, USA
L. Gregory Huey
School of Earth and Atmospheric Sciences, Georgia Institute of
Technology, Atlanta, GA 30332, USA
School of Chemical and Biomolecular Engineering, Georgia Institute of
Technology, Atlanta, GA 30332, USA
School of Earth and Atmospheric Sciences, Georgia Institute of
Technology, Atlanta, GA 30332, USA
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42 citations as recorded by crossref.
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- Ozonolysis of Z-3-Hexenal and T-2-Hexenal: Insights into the Effect of the Double-Bond Position on the SOA Formation from GLV Isomers H. Sun et al. https://doi.org/10.1021/acs.est.5c11509
- Cl2− chemical ionization mass spectrometry (Cl2-CIMS) for the measurement of acyl peroxy radicals T. Berg et al. https://doi.org/10.1039/D5EA00043B
- Online Calibration of a Chemical Ionization Mass Spectrometer for Multifunctional Biogenic Organic Nitrates M. Robinson et al. https://doi.org/10.1021/acsestair.4c00056
- Investigation of the oxidation of methyl vinyl ketone (MVK) by OH radicals in the atmospheric simulation chamber SAPHIR H. Fuchs et al. https://doi.org/10.5194/acp-18-8001-2018
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- Applications of environmental mass spectrometry in atmospheric haze chemistry T. Chen et al. https://doi.org/10.1016/j.trac.2024.117614
- Extending the Range of Detectable Trace Species with the Fast Polarity Switching of Chemical Ionization Orbitrap Mass Spectrometry R. Cai et al. https://doi.org/10.1021/acs.analchem.4c00650
- Quantum yields for the thermalized CH3C(O) radical from acetone photodissociation as a function of wavelength and pressure at 298 K T. Berg et al. https://doi.org/10.1039/D6EA00053C
- Characterization of ozone production in San Antonio, Texas, using measurements of total peroxy radicals D. Anderson et al. https://doi.org/10.5194/acp-19-2845-2019
- Characterization of a chemical amplifier for peroxy radical measurements in the atmosphere M. Duncianu et al. https://doi.org/10.1016/j.atmosenv.2019.117106
- Derivation of Hydroperoxyl Radical Levels at an Urban Site via Measurement of Pernitric Acid by Iodide Chemical Ionization Mass Spectrometry D. Chen et al. https://doi.org/10.1021/acs.est.6b05169
- A vacuum ultraviolet ion source (VUV-IS) for iodide–chemical ionization mass spectrometry: a substitute for radioactive ion sources Y. Ji et al. https://doi.org/10.5194/amt-13-3683-2020
- Computational and Experimental Investigation of the Detection of HO2 Radical and the Products of Its Reaction with Cyclohexene Ozonolysis Derived RO2 Radicals by an Iodide-Based Chemical Ionization Mass Spectrometer S. Iyer et al. https://doi.org/10.1021/acs.jpca.7b01588
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- Techniques for measuring indoor radicals and radical precursors E. Alvarez et al. https://doi.org/10.1080/05704928.2022.2087666
- Measurements of Atmospheric HO2 Radicals Using Br-CIMS with Elimination of Potential Interferences from Ambient Peroxynitric Acid L. Wang et al. https://doi.org/10.1021/acs.analchem.4c01184
- Photoelectron angular distributions in photodetachment from polarised d-like states: the case of HO2− C. Blackstone et al. https://doi.org/10.1080/00268976.2020.1831636
- Secondary Ion Chemistry Mediated by Ozone and Acidic Organic Molecules in Iodide-Adduct Chemical Ionization Mass Spectrometry W. Zhang & H. Zhang https://doi.org/10.1021/acs.analchem.1c01486
- Impact of HO2∕RO2 ratio on highly oxygenated α-pinene photooxidation products and secondary organic aerosol formation potential Y. Baker et al. https://doi.org/10.5194/acp-24-4789-2024
- Noncombustion Emissions of Organic Acids at a Site near Boise, Idaho A. Lindsay et al. https://doi.org/10.1021/acsestair.4c00138
- An intercomparison of HO2 measurements by fluorescence assay by gas expansion and cavity ring-down spectroscopy within HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry) L. Onel et al. https://doi.org/10.5194/amt-10-4877-2017
- Recent advances in understanding secondary organic aerosol: Implications for global climate forcing M. Shrivastava et al. https://doi.org/10.1002/2016RG000540
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- Airborne measurement of peroxy radicals using chemical amplification coupled with cavity ring-down spectroscopy: the PeRCEAS instrument M. George et al. https://doi.org/10.5194/amt-13-2577-2020
- Measurement of iodine species and sulfuric acid using bromide chemical ionization mass spectrometers M. Wang et al. https://doi.org/10.5194/amt-14-4187-2021
- Chemical ionization mass spectrometry: Developments and applications for on-line characterization of atmospheric aerosols and trace gases Y. Zhang et al. https://doi.org/10.1016/j.trac.2023.117353
- Gas-Phase Photolysis and Photo-Oxidation of Isoprene-Derived Atmospherically Relevant Hydroxy Nitrates R. Verma et al. https://doi.org/10.1021/acsestair.4c00010
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- Characterisation of gaseous iodine species detection using the multi-scheme chemical ionisation inlet 2 with bromide and nitrate chemical ionisation methods X. He et al. https://doi.org/10.5194/amt-16-4461-2023
- Temperature-dependent sensitivity of iodide chemical ionization mass spectrometers M. Robinson et al. https://doi.org/10.5194/amt-15-4295-2022
- Quantification of Hydroperoxyl Radical Based on Peroxynitric Acid Measurement S. Cheng et al. https://doi.org/10.1021/acs.estlett.5c00939
42 citations as recorded by crossref.
- 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
- Measurements of hydroperoxy radicals (HO2) at atmospheric concentrations using bromide chemical ionisation mass spectrometry S. Albrecht et al. https://doi.org/10.5194/amt-12-891-2019
- Ozonolysis of Z-3-Hexenal and T-2-Hexenal: Insights into the Effect of the Double-Bond Position on the SOA Formation from GLV Isomers H. Sun et al. https://doi.org/10.1021/acs.est.5c11509
- Cl2− chemical ionization mass spectrometry (Cl2-CIMS) for the measurement of acyl peroxy radicals T. Berg et al. https://doi.org/10.1039/D5EA00043B
- Online Calibration of a Chemical Ionization Mass Spectrometer for Multifunctional Biogenic Organic Nitrates M. Robinson et al. https://doi.org/10.1021/acsestair.4c00056
- Investigation of the oxidation of methyl vinyl ketone (MVK) by OH radicals in the atmospheric simulation chamber SAPHIR H. Fuchs et al. https://doi.org/10.5194/acp-18-8001-2018
- Measurement report: Molecular composition and volatility of gaseous organic compounds in a boreal forest – from volatile organic compounds to highly oxygenated organic molecules W. Huang et al. https://doi.org/10.5194/acp-21-8961-2021
- Advances on Atmospheric Oxidation Mechanism of Typical Aromatic Hydrocarbons M. Song et al. https://doi.org/10.6023/A21050224
- Controlled nitric oxide production via O(1D) + N2O reactions for use in oxidation flow reactor studies A. Lambe et al. https://doi.org/10.5194/amt-10-2283-2017
- Measuring Photodissociation Product Quantum Yields Using Chemical Ionization Mass Spectrometry: A Case Study with Ketones M. Link et al. https://doi.org/10.1021/acs.jpca.1c03140
- Applications of environmental mass spectrometry in atmospheric haze chemistry T. Chen et al. https://doi.org/10.1016/j.trac.2024.117614
- Extending the Range of Detectable Trace Species with the Fast Polarity Switching of Chemical Ionization Orbitrap Mass Spectrometry R. Cai et al. https://doi.org/10.1021/acs.analchem.4c00650
- Quantum yields for the thermalized CH3C(O) radical from acetone photodissociation as a function of wavelength and pressure at 298 K T. Berg et al. https://doi.org/10.1039/D6EA00053C
- Characterization of ozone production in San Antonio, Texas, using measurements of total peroxy radicals D. Anderson et al. https://doi.org/10.5194/acp-19-2845-2019
- Characterization of a chemical amplifier for peroxy radical measurements in the atmosphere M. Duncianu et al. https://doi.org/10.1016/j.atmosenv.2019.117106
- Derivation of Hydroperoxyl Radical Levels at an Urban Site via Measurement of Pernitric Acid by Iodide Chemical Ionization Mass Spectrometry D. Chen et al. https://doi.org/10.1021/acs.est.6b05169
- A vacuum ultraviolet ion source (VUV-IS) for iodide–chemical ionization mass spectrometry: a substitute for radioactive ion sources Y. Ji et al. https://doi.org/10.5194/amt-13-3683-2020
- Computational and Experimental Investigation of the Detection of HO2 Radical and the Products of Its Reaction with Cyclohexene Ozonolysis Derived RO2 Radicals by an Iodide-Based Chemical Ionization Mass Spectrometer S. Iyer et al. https://doi.org/10.1021/acs.jpca.7b01588
- Airborne flux measurements of ammonia over the southern Great Plains using chemical ionization mass spectrometry S. Schobesberger et al. https://doi.org/10.5194/amt-16-247-2023
- Online detection of airborne nanoparticle composition with mass spectrometry: Recent advances, challenges, and opportunities X. Li et al. https://doi.org/10.1016/j.trac.2023.117195
- Computational Comparison of Different Reagent Ions in the Chemical Ionization of Oxidized Multifunctional Compounds N. Hyttinen et al. https://doi.org/10.1021/acs.jpca.7b10015
- Recent advances in mass spectrometry techniques for atmospheric chemistry research on molecular‐level W. Zhang et al. https://doi.org/10.1002/mas.21857
- Techniques for measuring indoor radicals and radical precursors E. Alvarez et al. https://doi.org/10.1080/05704928.2022.2087666
- Measurements of Atmospheric HO2 Radicals Using Br-CIMS with Elimination of Potential Interferences from Ambient Peroxynitric Acid L. Wang et al. https://doi.org/10.1021/acs.analchem.4c01184
- Photoelectron angular distributions in photodetachment from polarised d-like states: the case of HO2− C. Blackstone et al. https://doi.org/10.1080/00268976.2020.1831636
- Secondary Ion Chemistry Mediated by Ozone and Acidic Organic Molecules in Iodide-Adduct Chemical Ionization Mass Spectrometry W. Zhang & H. Zhang https://doi.org/10.1021/acs.analchem.1c01486
- Impact of HO2∕RO2 ratio on highly oxygenated α-pinene photooxidation products and secondary organic aerosol formation potential Y. Baker et al. https://doi.org/10.5194/acp-24-4789-2024
- Noncombustion Emissions of Organic Acids at a Site near Boise, Idaho A. Lindsay et al. https://doi.org/10.1021/acsestair.4c00138
- An intercomparison of HO2 measurements by fluorescence assay by gas expansion and cavity ring-down spectroscopy within HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry) L. Onel et al. https://doi.org/10.5194/amt-10-4877-2017
- Recent advances in understanding secondary organic aerosol: Implications for global climate forcing M. Shrivastava et al. https://doi.org/10.1002/2016RG000540
- A perspective on the reactions of organic peroxy radicals with HO2 N. Illmann https://doi.org/10.1039/D5EA00023H
- 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
- Airborne measurement of peroxy radicals using chemical amplification coupled with cavity ring-down spectroscopy: the PeRCEAS instrument M. George et al. https://doi.org/10.5194/amt-13-2577-2020
- Measurement of iodine species and sulfuric acid using bromide chemical ionization mass spectrometers M. Wang et al. https://doi.org/10.5194/amt-14-4187-2021
- Chemical ionization mass spectrometry: Developments and applications for on-line characterization of atmospheric aerosols and trace gases Y. Zhang et al. https://doi.org/10.1016/j.trac.2023.117353
- Gas-Phase Photolysis and Photo-Oxidation of Isoprene-Derived Atmospherically Relevant Hydroxy Nitrates R. Verma et al. https://doi.org/10.1021/acsestair.4c00010
- Chemical composition and hydrolysis of organic nitrate aerosol formed from hydroxyl and nitrate radical oxidation of α-pinene and β-pinene M. Takeuchi & N. Ng https://doi.org/10.5194/acp-19-12749-2019
- Uronium from X-ray-Desorbed Urea Enables Sustainable Ultrasensitive Detection of Amines and Semivolatiles A. Shcherbinin et al. https://doi.org/10.1021/acs.analchem.5c02239
- Multi-scheme chemical ionization inlet (MION) for fast switching of reagent ion chemistry in atmospheric pressure chemical ionization mass spectrometry (CIMS) applications M. Rissanen et al. https://doi.org/10.5194/amt-12-6635-2019
- Characterisation of gaseous iodine species detection using the multi-scheme chemical ionisation inlet 2 with bromide and nitrate chemical ionisation methods X. He et al. https://doi.org/10.5194/amt-16-4461-2023
- Temperature-dependent sensitivity of iodide chemical ionization mass spectrometers M. Robinson et al. https://doi.org/10.5194/amt-15-4295-2022
- Quantification of Hydroperoxyl Radical Based on Peroxynitric Acid Measurement S. Cheng et al. https://doi.org/10.1021/acs.estlett.5c00939
Saved (final revised paper)
Latest update: 16 Sep 2026
Short summary
HO2 radicals play an important role in tropospheric chemistry. Here we propose a new direct method for measuring HO2 radicals in the atmosphere using bromide anion chemical ionization mass spectrometry. Ambient measurements in Atlanta are presented. Instrument performance parameters: sensitivity, lower detection limit, and time resolution are discussed. We demonstrate that the technique provides excellent selectivity and is suitable for in situ ground-based HO2 measurements.
HO2 radicals play an important role in tropospheric chemistry. Here we propose a new direct...
