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Physical characterization of the aerosol of an electronic cigarette: impact of refill liquids
Authors
E. Zervas Litsiou, E. Konstantopoulos, K. Poulopoulos, S. Katsaounou, P.
Publication date
1 January 2018
Publisher
Abstract
Electronic cigarettes are used to evaporate a mixture of solvents, nicotine and flavors. Liquid particles can be generated under these conditions due to evaporation/condensation. The objective of this work is to measure the physical characteristics of the aerosol emission of an e-cigarette using different refill liquids. The aerosol particle number and size are determined with a Scanning Mobility Particle Sizer. Seven liquids are used: propylene glycol (PG), glycerol (VG), a mixture 1:1 of PG/VG, the mixture with 2% or 5% of a commercial flavor, the mixture with 1.2% of nicotine and the mixture with 1.2% of nicotine and 2% of flavor. Particle concentrations of the aerosol emitted from the electronic cigarette are 300–3000 times higher than that of the ambient air. Propylene glycol emits several times more than glycerol. The addition of a flavor or nicotine has little effect on the emission of the total number emitted. The count median diameter of the electronic cigarette particles is 200–400 nm, depending on the liquid used. Count median diameter of emitted particles is affected by the liquid used. © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group
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Last time updated on 10/02/2023