Abstract
Health risks associated with inhalation of airborne particles are known to be influenced by particle sizes. A reliable, size resolving sampler, classifying particles in size ranges from 2 nm—30 μm and suitable for use in the field would be beneficial in investigating health risks associated with inhalation of airborne particles. A review of current aerosol samplers highlighted a number of limitations. These could be overcome by combining an inertial deposition impactor with a diffusion collector in a single device. The instrument was designed for analysing mass size distributions. Calibration was carried out using a number of recognised techniques. The instrument was tested in the field by collecting size resolved samples of lead containing aerosols present at workplaces in factories producing crystal glass. The mass deposited on each substrate proved sufficient to be detected and measured using atomic absorption spectroscopy. Mass size distributions of lead were produced and the proportion of lead present in the aerosol nanofraction calculated and varied from 10% to 70% by weight.
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Gnewuch, H., Muir, R., Gorbunov, B., Priest, N.D., Jackson, P.R. (2009). A Novel Size-Selective Airborne Particle Sampling Instrument (Wras) for Health Risk Evaluation. In: Linkov, I., Steevens, J. (eds) Nanomaterials: Risks and Benefits. NATO Science for Peace and Security Series C: Environmental Security. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-9491-0_17
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DOI: https://doi.org/10.1007/978-1-4020-9491-0_17
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