Articles | Volume 10, issue 10
Research article
18 Oct 2017
Research article |  | 18 Oct 2017

Investigation of water adsorption and hygroscopicity of atmospherically relevant particles using a commercial vapor sorption analyzer

Wenjun Gu, Yongjie Li, Jianxi Zhu, Xiaohong Jia, Qinhao Lin, Guohua Zhang, Xiang Ding, Wei Song, Xinhui Bi, Xinming Wang, and Mingjin Tang

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Cited articles

Ardon-Dryer, K., Garimella, S., Huang, Y. W., Christopoulos, C., and Cziczo, D. J.: Evaluation of DMA size selection of dry dispersed mineral dust particles, Aerosol Sci. Tech., 49, 828–841, 2015.
Arenas, K. J. L., Schill, S. R., Malla, A., and Hudson, P. K.: Deliquescence phase transition measurements by quartz crystal microbalance frequency shifts, J. Phys. Chem. A, 116, 7658–7667, 2012.
ASTM: Standard Test Method for Humidity Calibration (or Conformation) of Humidity Generators for Use with Thermogravimetric Analyzers, American Society for Testing and Materials International, West Conshohocken, PA 19428, USA,, 2007.
Attwood, A. R. and Greenslade, M. E.: Optical properties and associated hygroscopicity of clay aerosols, Aerosol Sci. Tech., 45, 1350–1359, 2011.
Beyer, K. D., Schroeder, J. R., and Kissinger, J. A.: Temperature-dependent deliquescence relative humidities and water activities using humidity controlled thermogravimetric analysis with application to malonic acid, J. Phys. Chem. A, 118, 2488–2497, 2014.
Short summary
In this work we describe a method to directly quantify water adsorption and mass hygroscopic growth of atmospheric particles as a function of RH at different temperature, using a commercial vapor sorption analyzer. We have demonstrated that this commercial instrument provides a simple, sensitive, and robust method to determine water adsorption and hygroscopicity of atmospheric particles.