Please use this identifier to cite or link to this item: https://doi.org/10.1021/jp057574g
Title: Efflorescence relative humidity for ammonium sulfate particles
Authors: Gao, Y.
Chen, S.B. 
Yu, L.E. 
Issue Date: 22-Jun-2006
Source: Gao, Y., Chen, S.B., Yu, L.E. (2006-06-22). Efflorescence relative humidity for ammonium sulfate particles. Journal of Physical Chemistry A 110 (24) : 7602-7608. ScholarBank@NUS Repository. https://doi.org/10.1021/jp057574g
Abstract: The classical homogeneous nucleation theory was employed to calculate the efflorescence relative humidity (ERH) of airborne ammonium sulfate particles with a wide size range (8 μm to 17 μm) at room temperature. The theoretical predictions are in good agreement with the experimentally measured values. When the ammonium sulfate particle is decreased in size, the ERH first decreases, reaches a minimum around 30% for particle diameter equal to about 30 nm, and then increases. It is for the first time that the Kelvin effect is theoretically verified to substantially affect the ERH of ammonium sulfate particles smaller than 30 nm, while the aerosol size is the dominant factor affecting the efflorescent behavior of ammonium sulfate particles larger than 50 nm. © 2006 American Chemical Society.
Source Title: Journal of Physical Chemistry A
URI: http://scholarbank.nus.edu.sg/handle/10635/63803
ISSN: 10895639
DOI: 10.1021/jp057574g
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