Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The chemical composition of environmental tobacco smoke III. Identification of conservative tracers of environmental tobacco smoke
AbstractSeveral components of environmental tobacco smoke (ETS) have been determined in experiments conducted in a 30 m3 Teflon chamber. The effect of residence time in the chamber on the particle size distribution, mass of particles, gas-particle equilibria, and chemical composition of both the gas and particle phases of environmental tobacco smoke has been studied. Many organic compounds present in tobacco smoke condensate are not found in the particle phase in environmental tobacco smoke but are present in the gas phase. Concentrations of several nitrogen containing organic compounds, identified in the chamber experiments, have been determined in several indoor environments where environmental tobacco smoke was present. These compounds were not found in indoor environments where environmental tobacco smoke was not present. The studies in the indoor environments indicate that gas phase nicotine and myosmine are removed from indoor environments at a much faster rate than gas phase 3-ethenylpyridine or 2-ethenylpyridine or particle-phase nicotine or cotinine. Gas-phase 3-ethenylpyridine and particle-phase nicotine are proposed as tracers of environmental tobacco smoke.
The chemical composition of environmental tobacco smoke III. Identification of conservative tracers of environmental tobacco smoke
AbstractSeveral components of environmental tobacco smoke (ETS) have been determined in experiments conducted in a 30 m3 Teflon chamber. The effect of residence time in the chamber on the particle size distribution, mass of particles, gas-particle equilibria, and chemical composition of both the gas and particle phases of environmental tobacco smoke has been studied. Many organic compounds present in tobacco smoke condensate are not found in the particle phase in environmental tobacco smoke but are present in the gas phase. Concentrations of several nitrogen containing organic compounds, identified in the chamber experiments, have been determined in several indoor environments where environmental tobacco smoke was present. These compounds were not found in indoor environments where environmental tobacco smoke was not present. The studies in the indoor environments indicate that gas phase nicotine and myosmine are removed from indoor environments at a much faster rate than gas phase 3-ethenylpyridine or 2-ethenylpyridine or particle-phase nicotine or cotinine. Gas-phase 3-ethenylpyridine and particle-phase nicotine are proposed as tracers of environmental tobacco smoke.
The chemical composition of environmental tobacco smoke III. Identification of conservative tracers of environmental tobacco smoke
Eatough, D.J. (Autor:in) / Benner, C.L. (Autor:in) / Tang, H. (Autor:in) / Landon, V. (Autor:in) / Richards, G. (Autor:in) / Caka, F.M. (Autor:in) / Crawford, J. (Autor:in) / Lewis, E.A. (Autor:in) / Hansen, L.D. (Autor:in) / Eatough, N.L. (Autor:in)
Environmental International ; 15 ; 19-28
24.05.1989
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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