Articles | Volume 11, issue 1
Atmos. Meas. Tech., 11, 33–47, 2018
https://doi.org/10.5194/amt-11-33-2018
Atmos. Meas. Tech., 11, 33–47, 2018
https://doi.org/10.5194/amt-11-33-2018

Research article 08 Jan 2018

Research article | 08 Jan 2018

Electrodynamic balance–mass spectrometry of single particles as a new platform for atmospheric chemistry research

Adam W. Birdsall et al.

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Cited articles

Bastelberger, S., Krieger, U. K., Luo, B., and Peter, T.: Diffusivity measurements of volatile organics in levitated viscous aerosol particles, Atmos. Chem. Phys., 17, 8453–8471, https://doi.org/10.5194/acp-17-8453-2017, 2017. 
Bogan, M. J. and Agnes, G. R.: MALDI-TOF-MS analysis of droplets prepared in an electrodynamic balance: “wall-less” sample preparation, Anal. Chem., 74, 489–496, https://doi.org/10.1021/ac015638n, 2002. 
Boucher, O., Randall, D., Artaxo, P., Bretherton, C., Feingold, G., Forster, P., Kerminen, V.-M., Kondo, Y., Liao, H., Lohmann, U., Rasch, P., Satheesh, S., Sherwood, S., Stevens, B., and Zhang, X.: Clouds and aerosols, in: Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge, UK, 2013. 
Cai, C., Stewart, D. J., Reid, J. P., Zhang, Y. H., Ohm, P., Dutcher, C. S., and Clegg, S. L.: Organic component vapor pressures and hygroscopicities of aqueous aerosol measured by optical tweezers, J. Phys. Chem. A, 119, 704–718, https://doi.org/10.1021/jp510525r, 2015. 
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We have developed a laboratory system that provides mass spectra of individual particles, roughly 20 microns in diameter, after they have been levitated in an electric field. Measured evaporation of polyethylene glycol particles was found to agree with a kinetic model. The system can be used to study fundamental chemical and physical processes involving particles that are difficult to isolate and study with other techniques, and hence improve our understanding of atmospheric particles.