Articles | Volume 17, issue 9
Atmos. Chem. Phys., 17, 5583–5599, 2017
https://doi.org/10.5194/acp-17-5583-2017
Atmos. Chem. Phys., 17, 5583–5599, 2017
https://doi.org/10.5194/acp-17-5583-2017

Research article 03 May 2017

Research article | 03 May 2017

Influence of organic compound functionality on aerosol hygroscopicity: dicarboxylic acids, alkyl-substituents, sugars and amino acids

Aleksandra Marsh et al.

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The response of aerosol particles to changes in relative humidity (RH) is dependent on the hygroscopicity of the constituent chemical components. We present accurate measurements of the hygroscopic response of aerosols over a wide range in RH, extending up to the saturation RH. The chemical compounds studied include dicarboxylic acids, amino acids, sugars and polyols. These data provide a comprehensive source of data to help improve functional group activity models of aerosol hygroscopicity.
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