Articles | Volume 12, issue 12
https://doi.org/10.5194/amt-12-6635-2019
© Author(s) 2019. 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-12-6635-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Multi-scheme chemical ionization inlet (MION) for fast switching of reagent ion chemistry in atmospheric pressure chemical ionization mass spectrometry (CIMS) applications
Department of Physics and Institute for Atmospheric and Earth System
Research, University of Helsinki, Helsinki, Finland
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and
Natural Sciences, Tampere University, Tampere, Finland
Jyri Mikkilä
Karsa Ltd., A. I. Virtasen aukio 1, 00560 Helsinki, Finland
Siddharth Iyer
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and
Natural Sciences, Tampere University, Tampere, Finland
Department of Chemistry and Institute for Atmospheric and Earth System
Research, University of Helsinki, Helsinki, Finland
Jani Hakala
CORRESPONDING AUTHOR
Karsa Ltd., A. I. Virtasen aukio 1, 00560 Helsinki, Finland
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53 citations as recorded by crossref.
- A review of microbial and chemical assessment of indoor surfaces V. Mihucz et al.
- Advantages and limitations of the analytical methods currently employed for the assessment of inorganic pollutants in indoor and outdoor air M. Ródenas et al.
- 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
- Perturbation-induced high-frequency pulsing of nano-ESI with facile ion selection at atmospheric pressure W. McMahon & K. Jorabchi
- An algorithm for automatic fitting and formula assignment in atmospheric mass spectra V. Mickwitz et al.
- Decomposition of Clusters of Oxygenated Compounds with NO3– by Applying Voltage Scanning to Chemical Ionization Mass Spectrometry in Steady-State Experiments H. Wang et al.
- Extending the Range of Detectable Trace Species with the Fast Polarity Switching of Chemical Ionization Orbitrap Mass Spectrometry R. Cai et al.
- Impact of HO2∕RO2 ratio on highly oxygenated α-pinene photooxidation products and secondary organic aerosol formation potential Y. Baker et al.
- Technical note: Towards atmospheric compound identification in chemical ionization mass spectrometry with pesticide standards and machine learning F. Bortolussi et al.
- A novel technique for the humidity dependent calibration of hypoiodous acid (HOI) and iodine (I2) L. Marden et al.
- Penguin guano is an important source of climate-relevant aerosol particles in Antarctica M. Boyer et al.
- Incomplete mass closure in atmospheric nanoparticle growth D. Stolzenburg et al.
- 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.
- Identifying key parameters that affect sensitivity of flow tube chemical ionization mass spectrometers S. Aggarwal et al.
- High Gas-Phase Methanesulfonic Acid Production in the OH-Initiated Oxidation of Dimethyl Sulfide at Low Temperatures J. Shen et al.
- Data-driven prediction of CIMS signal intensity for pesticide detection via dibromomethane reagent using machine learning techniques C. Wen et al.
- Organic Peroxides in Aerosol: Key Reactive Intermediates for Multiphase Processes in the Atmosphere S. Wang et al.
- Gas-Phase Formation of Trioxy Acid via OH-Initiated Aldehyde Oxidation under Atmospheric Conditions E. Ahongshangbam et al.
- 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.
- Gas-Phase Photolysis and Photo-Oxidation of Isoprene-Derived Atmospherically Relevant Hydroxy Nitrates R. Verma et al.
- Molecular mechanism for rapid autoxidation in α-pinene ozonolysis S. Iyer et al.
- Changes in Secondary Organic Aerosol Composition and Volatility Going from a Low to a High HO2/RO2 Regime in α-Pinene Photooxidation V. Geretti et al.
- Molecular composition and volatility of multi-generation products formed from isoprene oxidation by nitrate radical R. Wu et al.
- Ion density of positive and negative ions at ambient pressure in air at 12–136 mm from 4.9 kV soft x-ray source O. Anttalainen et al.
- Atmospheric nanoparticle growth D. Stolzenburg et al.
- Resolving Atmospheric Oxygenated Organic Molecules in Urban Beijing Using Online Ultrahigh-Resolution Chemical Ionization Mass Spectrometry Y. Yuan et al.
- Multiphysical description of atmospheric pressure interface chemical ionisation in MION2 and Eisele type inlets H. Finkenzeller et al.
- Laboratory and field characterization of an atmospheric pressure transverse chemical ionization ion-molecule reaction region P. Rund et al.
- The synergistic role of sulfuric acid, ammonia and organics in particle formation over an agricultural land L. Dada et al.
- Recent advances in mass spectrometry techniques for atmospheric chemistry research on molecular‐level W. Zhang et al.
- Evaluation of a reduced-pressure chemical ion reactor utilizing adduct ionization for the detection of gaseous organic and inorganic species M. Riva et al.
- Understanding vapor nucleation on the molecular level: A review C. Li & R. Signorell
- Measurement of iodine species and sulfuric acid using bromide chemical ionization mass spectrometers M. Wang et al.
- Enhanced detection of aromatic oxidation products using NO3− chemical ionization mass spectrometry with limited nitric acid O. Garmash et al.
- Oxygenated Organic Molecules Drive Particle Growth and Secondary Organic Aerosol Formation in Beijing Winter Z. Zhang et al.
- New particle formation from isoprene under upper-tropospheric conditions J. Shen et al.
- Ammonium CI-Orbitrap: a tool for characterizing the reactivity of oxygenated organic molecules D. Li et al.
- Pesticide Residue Fast Screening Using Thermal Desorption Multi-Scheme Chemical Ionization Mass Spectrometry (TD-MION MS) with Selective Chemical Ionization F. Partovi et al.
- Online detection of airborne nanoparticle composition with mass spectrometry: Recent advances, challenges, and opportunities X. Li et al.
- Chemical ionization mass spectrometry: Developments and applications for on-line characterization of atmospheric aerosols and trace gases Y. Zhang et al.
- Data‐Driven Compound Identification in Atmospheric Mass Spectrometry H. Sandström et al.
- Quantitative Distributions of Product Ions and Reaction Times with a Binary Mixture of VOCs in Ambient Pressure Chemical Ionization E. Lattouf et al.
- Anthropogenic Volatile Organic Compound (AVOC) Autoxidation as a Source of Highly Oxygenated Organic Molecules (HOM) M. Rissanen
- Uronium from X-ray-Desorbed Urea Enables Sustainable Ultrasensitive Detection of Amines and Semivolatiles A. Shcherbinin et al.
- Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere X. He et al.
- 1-Hexene Ozonolysis across Atmospheric and Combustion Temperatures via Synchrotron-Based Photoelectron Spectroscopy and Chemical Ionization Mass Spectrometry C. Smith Lewin et al.
- Soft X-ray Atmospheric Pressure Photoionization in Liquid Chromatography–Mass Spectrometry J. Hieta et al.
- Applications of environmental mass spectrometry in atmospheric haze chemistry T. Chen et al.
- From Hydrocarbons to Highly Functionalized Molecules in a Single Measurement: Comprehensive Analysis of Complex Gas Mixtures by Multi-Pressure Chemical Ionization Mass Spectrometry A. Shcherbinin et al.
- Towards automated inclusion of autoxidation chemistry in models: from precursors to atmospheric implications L. Pichelstorfer et al.
- Molecular dynamics-guided reaction discovery reveals endoperoxide-to-alkoxy radical isomerization as key branching point in α-pinene ozonolysis H. Yang et al.
- Measuring Photodissociation Product Quantum Yields Using Chemical Ionization Mass Spectrometry: A Case Study with Ketones M. Link et al.
- Ambient-Pressure Multischeme Chemical Ionization for Pesticide Detection: A MION-Orbitrap Mass Spectrometry Study F. Partovi et al.
Saved (final revised paper)
Latest update: 06 May 2026
Short summary
A novel chemical ionization methodology for rapid gas–phase environmental monitoring is presented. The usefulness of the new inlet design is demonstrated by measuring various aerosol precursor compounds that are present at very low concentrations by using two consecutive ionization schemes. This new inlet enables the detection of a wide range of compounds of interest with a minimum of effort and at a fast repetition rate.
A novel chemical ionization methodology for rapid gas–phase environmental monitoring is...