Articles | Volume 17, issue 8
https://doi.org/10.5194/amt-17-2415-2024
© 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-17-2415-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
23 Apr 2024
Research article |
| 23 Apr 2024
| 23 Apr 2024
Response of protonated, adduct, and fragmented ions in Vocus proton-transfer-reaction time-of-flight mass spectrometer (PTR-ToF-MS)
Fangbing Li
Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macao SAR, China
Department of Ocean Science and Technology, and Centre for Regional Oceans, Faculty of Science and Technology, University of Macau, Macao SAR, China
Dan Dan Huang
State Environmental Protection Key Laboratory of Cause and Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental Sciences, Shanghai, China
Linhui Tian
Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macao SAR, China
Department of Ocean Science and Technology, and Centre for Regional Oceans, Faculty of Science and Technology, University of Macau, Macao SAR, China
Institute for Environment and Climate Research, Jinan University, Guangzhou 510632, China
Wen Tan
Tofwerk AG, Nanjing, China
Liang Zhu
Tofwerk AG, Nanjing, China
Penglin Ye
Aerodyne Research, Inc., Billerica, Massachusetts 01821, United States
Douglas Worsnop
Aerodyne Research, Inc., Billerica, Massachusetts 01821, United States
Ka In Hoi
Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macao SAR, China
Department of Ocean Science and Technology, and Centre for Regional Oceans, Faculty of Science and Technology, University of Macau, Macao SAR, China
Kai Meng Mok
Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macao SAR, China
Department of Ocean Science and Technology, and Centre for Regional Oceans, Faculty of Science and Technology, University of Macau, Macao SAR, China
Yong Jie Li
CORRESPONDING AUTHOR
Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macao SAR, China
Department of Ocean Science and Technology, and Centre for Regional Oceans, Faculty of Science and Technology, University of Macau, Macao SAR, China
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Cited
8 citations as recorded by crossref.
- Interpretation of mass spectra by a Vocus proton-transfer-reaction mass spectrometer (PTR-MS) at an urban site: insights from gas chromatographic pre-separation Y. Zhang et al. 10.5194/amt-18-3547-2025
- Product ion distributions using H3O+ proton-transfer-reaction time-of-flight mass spectrometry (PTR-ToF-MS): mechanisms, transmission effects, and instrument-to-instrument variability M. Link et al. 10.5194/amt-18-1013-2025
- Quantifying the Spatial and Temporal Distributions of Volatile Chemical Products (VCPs) in the Greater Houston Area A. Dodero et al. 10.1021/acs.est.4c13855
- Deployment and evaluation of an NH4+∕ H3O+ reagent ion switching chemical ionization mass spectrometer for the detection of reduced and oxygenated gas-phase organic compounds C. Zang & M. Willis 10.5194/amt-18-17-2025
- Real‐Time Proton Transfer Reaction Mass Spectrometry for Pesticide Detection: A DFT‐Based Feasibility Evaluation Y. Huang et al. 10.1002/jms.5163
- 100% humidity independent PTR-MS: Novel method and proof-of-concept* K. Winkler et al. 10.1088/1402-4896/ad9362
- Measurement of Gaseous Nitrophenols and Their Precursors Using a Vocus Proton-Transfer-Reaction Time-of-Flight Mass Spectrometer (PTR-ToF-MS) F. Li et al. 10.1021/acsestair.5c00146
- Response of protonated, adduct, and fragmented ions in Vocus proton-transfer-reaction time-of-flight mass spectrometer (PTR-ToF-MS) F. Li et al. 10.5194/amt-17-2415-2024
7 citations as recorded by crossref.
- Interpretation of mass spectra by a Vocus proton-transfer-reaction mass spectrometer (PTR-MS) at an urban site: insights from gas chromatographic pre-separation Y. Zhang et al. 10.5194/amt-18-3547-2025
- Product ion distributions using H3O+ proton-transfer-reaction time-of-flight mass spectrometry (PTR-ToF-MS): mechanisms, transmission effects, and instrument-to-instrument variability M. Link et al. 10.5194/amt-18-1013-2025
- Quantifying the Spatial and Temporal Distributions of Volatile Chemical Products (VCPs) in the Greater Houston Area A. Dodero et al. 10.1021/acs.est.4c13855
- Deployment and evaluation of an NH4+∕ H3O+ reagent ion switching chemical ionization mass spectrometer for the detection of reduced and oxygenated gas-phase organic compounds C. Zang & M. Willis 10.5194/amt-18-17-2025
- Real‐Time Proton Transfer Reaction Mass Spectrometry for Pesticide Detection: A DFT‐Based Feasibility Evaluation Y. Huang et al. 10.1002/jms.5163
- 100% humidity independent PTR-MS: Novel method and proof-of-concept* K. Winkler et al. 10.1088/1402-4896/ad9362
- Measurement of Gaseous Nitrophenols and Their Precursors Using a Vocus Proton-Transfer-Reaction Time-of-Flight Mass Spectrometer (PTR-ToF-MS) F. Li et al. 10.1021/acsestair.5c00146
Latest update: 18 Sep 2025
Short summary
The responses of protonated, adduct, and fragmented ions of 21 volatile organic compounds (VOCs) were investigated with varying instrument settings and relative humidity (RH) in a Vocus proton-transfer-reaction mass spectrometer (PTR-MS). The protonated ions of most VOCs studied show < 15 % variation in sensitivity, except for some long-chain aldehydes. The relationship between sensitivity and PTR rate constant is complicated by the influences from ion transmission and protonated ion fraction.
The responses of protonated, adduct, and fragmented ions of 21 volatile organic compounds (VOCs)...
