Influential parameters on particle concentration and size distribution in the mainstream of e-cigarettes

Fuoco, Fernanda, Buonanno, Giorgio, Stabile, Luca, & Vigo, P. (2014) Influential parameters on particle concentration and size distribution in the mainstream of e-cigarettes. Environmental Pollution, 184, pp. 523-529.

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Electronic cigarette-generated mainstream aerosols were characterized in terms of particle number concentrations and size distributions through a Condensation Particle Counter and a Fast Mobility Particle Sizer spectrometer, respectively. A thermodilution system was also used to properly sample and dilute the mainstream aerosol.

Different types of electronic cigarettes, liquid flavors, liquid nicotine contents, as well as different puffing times were tested. Conventional tobacco cigarettes were also investigated.

The total particle number concentration peak (for 2-s puff), averaged across the different electronic cigarette types and liquids, was measured equal to 4.39 ± 0.42 × 109 part. cm−3, then comparable to the conventional cigarette one (3.14 ± 0.61 × 109 part. cm−3). Puffing times and nicotine contents were found to influence the particle concentration, whereas no significant differences were recognized in terms of flavors and types of cigarettes used.

Particle number distribution modes of the electronic cigarette-generated aerosol were in the 120–165 nm range, then similar to the conventional cigarette one.

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ID Code: 88557
Item Type: Journal Article
Refereed: Yes
Keywords: E-cigarettes; Cigarette mainstream aerosol; Particle concentration; Indoor air quality; Conventional tobacco cigarettes
DOI: 10.1016/j.envpol.2013.10.010
ISSN: 0269-7491
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 Elsevier Ltd.
Deposited On: 09 Nov 2015 23:10
Last Modified: 09 Nov 2015 23:10

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