Articles | Volume 10, issue 10
Atmos. Meas. Tech., 10, 3609–3625, 2017
https://doi.org/10.5194/amt-10-3609-2017
Atmos. Meas. Tech., 10, 3609–3625, 2017
https://doi.org/10.5194/amt-10-3609-2017

Research article 04 Oct 2017

Research article | 04 Oct 2017

An electrospray chemical ionization source for real-time measurement of atmospheric organic and inorganic vapors

Yue Zhao et al.

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Aernecke, M. J., Mendum, T., Geurtsen, G., Ostrinskaya, A., and Kunz, R. R.: Vapor Pressure of Hexamethylene Triperoxide Diamine (HMTD) Estimated Using Secondary Electrospray Ionization Mass Spectrometry, J. Phys. Chem. A, 119, 11514–11522, 2015.
Aljawhary, D., Lee, A. K. Y., and Abbatt, J. P. D.: High-resolution chemical ionization mass spectrometry (ToF-CIMS): application to study SOA composition and processing, Atmos. Meas. Tech., 6, 3211–3224, https://doi.org/10.5194/amt-6-3211-2013, 2013.
Barrios-Collado, C., Garcia-Gomez, D., Zenobi, R., Vidal-de-Miguel, G., Ibanez, A. J., and Sinues, P. M. L.: Capturing in Vivo Plant Metabolism by Real-Time Analysis of Low to High Molecular Weight Volatiles, Anal. Chem., 88, 2406–2412, https://doi.org/10.1021/acs.analchem.5b04452, 2016.
Bean, H. D., Mellors, T. R., Zhu, J. J., and Hill, J. E.: Profiling Aged Artisanal Cheddar Cheese Using Secondary Electrospray Ionization Mass Spectrometry, J. Agric. Food Chem., 63, 4386–4392, https://doi.org/10.1021/jf5063759, 2015.
Berndt, T., Richters, S., Jokinen, T., Hyttinen, N., Kurten, T., Otkjaer, R. V., Kjaergaard, H. G., Stratmann, F., Herrmann, H., Sipila, M., Kulmala, M., and Ehn, M.: Hydroxyl radical-induced formation of highly oxidized organic compounds, Nat. Commun., 7, 13677, https://doi.org/10.1038/ncomms13677, 2016.
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Short summary
We present a novel atmospheric pressure electrospray chemical ionization (ESCI) source that can generate intense and stable currents of several specific reagent ions using a range of salt solutions prepared in methanol. We couple the ESCI source to a high-resolution time-of-flight mass spectrometer (HRToF-MS) and assess instrument performance through calibrations using different gas standards and measurements of organic mixtures formed by ozonolysis of α-pinene.