Articles | Volume 16, issue 5
https://doi.org/10.5194/amt-16-1407-2023
© Author(s) 2023. 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-16-1407-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
16 Mar 2023
Research article |
| 16 Mar 2023
| 16 Mar 2023
Using tunable infrared laser direct absorption spectroscopy for ambient hydrogen chloride detection: HCl-TILDAS
John W. Halfacre
CORRESPONDING AUTHOR
Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
Jordan Stewart
Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
Scott C. Herndon
Aerodyne Research, Inc., Billerica, MA 01821, USA
Joseph R. Roscioli
Aerodyne Research, Inc., Billerica, MA 01821, USA
Christoph Dyroff
Aerodyne Research, Inc., Billerica, MA 01821, USA
Tara I. Yacovitch
Aerodyne Research, Inc., Billerica, MA 01821, USA
Michael Flynn
Department of Earth and Environmental Science, Centre for Atmospheric Science, School of Natural Sciences, The University of Manchester, Manchester, M13 9PL, UK
Stephen J. Andrews
Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
Steven S. Brown
Chemical Sciences Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO 80305, USA
Department of Chemistry, University of Colorado, Boulder, CO 80309,
USA
Patrick R. Veres
Chemical Sciences Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO 80305, USA
Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
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Cited
11 citations as recorded by crossref.
- 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
- Hydrogen Halide Gas Sensors: Active Materials, Operation Principles, and Emerging Technologies X. Liu et al. https://doi.org/10.1002/idm2.70028
- Validation and Correction of PM2.5 Mass Concentrations from Consumer-Grade Personal Exposure and Outdoor Fixed Monitors: A Two-Year Colocation Study in Colorado A. Khalili Hollo et al. https://doi.org/10.1021/acsenvironau.6c00020
- An asymmetric thiazolo-thiazole derivative as a solvatochromic, reversible and self-color recovery acid–base molecular switch S. Shah et al. https://doi.org/10.1039/D4TC00991F
- Investigation of Long-Term Performance of a Proposed Cost-Effective HCl Non-Dispersive Infrared Analyzer at Real Stationary Sources B. Park et al. https://doi.org/10.3390/chemosensors12120262
- The determination of ClNO2 via thermal dissociation–tunable infrared laser direct absorption spectroscopy J. Halfacre et al. https://doi.org/10.5194/amt-18-3799-2025
- Disturbance-resilient laser-absorption gas sensor enabled by controlled beam divergence in a confocal Chernin multipass cell J. Lei et al. https://doi.org/10.1016/j.snb.2026.141058
- Pressure calibration free HCl detection in QEPAS based on multi-feature fusion of second-harmonic signals Y. Zhang et al. https://doi.org/10.1016/j.snb.2026.141057
- Selective measurement of Cl2 and HCl based on dopant-assisted negative photoionization ion mobility spectrometry combined with semiconductor cooling S. Song et al. https://doi.org/10.1039/D4AY00690A
- Reactive chlorine in the polluted marine boundary layer during the Halifax fog and air quality study (HaliFAQS) T. Furlani et al. https://doi.org/10.1039/D5EA00115C
- A Method to Measure Total Gaseous Fluorine R. Ye et al. https://doi.org/10.1021/acs.estlett.4c00553
11 citations as recorded by crossref.
- 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
- Hydrogen Halide Gas Sensors: Active Materials, Operation Principles, and Emerging Technologies X. Liu et al. https://doi.org/10.1002/idm2.70028
- Validation and Correction of PM2.5 Mass Concentrations from Consumer-Grade Personal Exposure and Outdoor Fixed Monitors: A Two-Year Colocation Study in Colorado A. Khalili Hollo et al. https://doi.org/10.1021/acsenvironau.6c00020
- An asymmetric thiazolo-thiazole derivative as a solvatochromic, reversible and self-color recovery acid–base molecular switch S. Shah et al. https://doi.org/10.1039/D4TC00991F
- Investigation of Long-Term Performance of a Proposed Cost-Effective HCl Non-Dispersive Infrared Analyzer at Real Stationary Sources B. Park et al. https://doi.org/10.3390/chemosensors12120262
- The determination of ClNO2 via thermal dissociation–tunable infrared laser direct absorption spectroscopy J. Halfacre et al. https://doi.org/10.5194/amt-18-3799-2025
- Disturbance-resilient laser-absorption gas sensor enabled by controlled beam divergence in a confocal Chernin multipass cell J. Lei et al. https://doi.org/10.1016/j.snb.2026.141058
- Pressure calibration free HCl detection in QEPAS based on multi-feature fusion of second-harmonic signals Y. Zhang et al. https://doi.org/10.1016/j.snb.2026.141057
- Selective measurement of Cl2 and HCl based on dopant-assisted negative photoionization ion mobility spectrometry combined with semiconductor cooling S. Song et al. https://doi.org/10.1039/D4AY00690A
- Reactive chlorine in the polluted marine boundary layer during the Halifax fog and air quality study (HaliFAQS) T. Furlani et al. https://doi.org/10.1039/D5EA00115C
- A Method to Measure Total Gaseous Fluorine R. Ye et al. https://doi.org/10.1021/acs.estlett.4c00553
Saved (final revised paper)
Latest update: 04 Nov 2026
Short summary
This study details a new sampling method for the optical detection of hydrogen chloride (HCl). HCl is an important atmospheric reservoir for chlorine atoms, which can affect nitrogen oxide cycling and the lifetimes of volatile organic compounds and ozone. However, HCl has a high affinity for interacting with surfaces, thereby preventing fast, quantitative measurements. The sampling technique in this study minimizes these surface interactions and provides a high-quality measurement of HCl.
This study details a new sampling method for the optical detection of hydrogen chloride (HCl)....
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