Articles | Volume 18, issue 9
Atmos. Chem. Phys., 18, 6331–6351, 2018
https://doi.org/10.5194/acp-18-6331-2018
Atmos. Chem. Phys., 18, 6331–6351, 2018
https://doi.org/10.5194/acp-18-6331-2018

Research article 04 May 2018

Research article | 04 May 2018

Predicting the glass transition temperature and viscosity of secondary organic material using molecular composition

Wing-Sy Wong DeRieux et al.

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Subject: Aerosols | Research Activity: Laboratory Studies | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

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Short summary
The phase transition of organic particles between glassy and semi-solid states occurs at the glass transition temperature. We developed a method to predict glass transition temperatures and the viscosity of secondary organic aerosols using molecular composition, with consistent results with viscosity measurements. The viscosity of biomass burning particles was also estimated using the chemical composition measured by high-resolution mass spectrometry with two different ionization techniques.
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