Articles | Volume 3, issue 2
https://doi.org/10.5194/ar-3-557-2025
https://doi.org/10.5194/ar-3-557-2025
Research article
 | 
27 Nov 2025
Research article |  | 27 Nov 2025

A simple, versatile approach for coupling a liquid chromatograph and chemical ionization mass spectrometer for offline analysis of organic aerosol

Andre F. Schaum, Kelvin H. Bates, Kyung-Eun Min, Faith Myers, Emmaline R. Longnecker, Manjula R. Canagaratna, Mitchell W. Alton, and Paul J. Ziemann

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Latest update: 29 Oct 2026
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Short summary
Organic aerosols consist of complex chemical mixtures that are challenging to characterize using chemical ionization mass spectrometry alone. This study presents a method for coupling liquid chromatography and chemical ionization mass spectrometry for the offline analysis of organic aerosols. The evaluation of the method using standards and laboratory-generated and field-collected organic aerosols showed that it can provide detailed characterization of environmentally relevant mixtures.
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