Microanalytical Studies of Multiphase Reactions and Particle Aging
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Date
2024-12-13
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Book Chapter
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yes
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Abstract
Research in aerosol chemistry and physics has significantly advanced our understanding of atmospheric processes, including air quality, radiation balance, cloud formation, and chemical transformations. Aerosol particles are composed of diverse compounds and exhibit various chemical and physical properties, such as reactivity, solubility, and morphology. Microanalytical methods, particularly microscopy and spectroscopy, have been instrumental in studying the chemical and photochemical reactions of single aerosol particles at the micro-and nanoscale. Despite their small scale, these studies have revealed critical atmospheric processes with global implications. This chapter highlights in situ microanalytical studies that track the chemical composition and morphology of aerosol particles in real time during reactions. We emphasize X-ray spectromicroscopy for its ability to map the evolving chemical morphology within single particles. Additionally, we discuss the need for advanced data processing techniques, including artificial neural networks and modeling, as microanalytical technology progresses.
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published
Book title
Microanalysis of Atmospheric Particles: Techniques and Applications
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Pages / Article No.
201 - 222
Publisher
American Geophysical Union
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Subject
Atmospheric; chemistry; multiphase; X-ray microscopy; kinetics; photochemistry