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AMT | Articles | Volume 12, issue 1
Atmos. Meas. Tech., 12, 281–298, 2019
https://doi.org/10.5194/amt-12-281-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Meas. Tech., 12, 281–298, 2019
https://doi.org/10.5194/amt-12-281-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 16 Jan 2019

Research article | 16 Jan 2019

Development of an online-coupled MARGA upgrade for the 2 h interval quantification of low-molecular-weight organic acids in the gas and particle phases

Bastian Stieger et al.
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Cited articles  
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Bock, N., Baum, M. M., Anderson, M. B., Pesta, A., and Northrop, W. F.: Dicarboxylic Acid Emissions from Aftertreatment Equipped Diesel Engines, Environ. Sci. Technol., 51, 13036–13043, https://doi.org/10.1021/acs.est.7b03868, 2017. 
Boreddy, S. K. R., Mochizuki, T., Kawamura, K., Bikkina, S., and Sarin, M. M.: Homologous series of low molecular weight (C1-C10) monocarboxylic acids, benzoic acid and hydroxyacids in fine-mode (PM2.5) aerosols over the Bay of Bengal: Influence of heterogeneity in air masses and formation pathways, Atmos. Environ., 167, 170–180, https://doi.org/10.1016/j.atmosenv.2017.08.008, 2017. 
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Short summary
A MARGA was combined with an additional IC system specialized for the 2 h interval online quantification of 12 low-molecular-weight organic acids in the gas and particle phases. Low limits of detection and good precision were achieved. The suitability for field measurements was shown. This setup reduces laboratory work and filter sampling artifacts. Diurnal profiles, sources and phase distributions of these compounds will improve the knowledge of the tropospheric multiphase chemistry.
A MARGA was combined with an additional IC system specialized for the 2 h interval online...
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