Inhalation simulation and the effects of lung environmental conditions on consumer aerosol products and NaCl aerosol |
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Authors: | MK Halbert MK Mazumder RL Bond |
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Institution: | Department of Electronics and Instrumentation, University of Arkansas, Graduate Institute of Technology, P.O. Box 3017, Little Rock, Arkansas 72203 USA |
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Abstract: | The use of an inhalation simulation apparatus to determine the effects of conditions of 98% relative humidity and 37°C temperature on the size distribution of aerosol particulates is demonstrated. Ten common household and cosmetic aerosol products and NaCl aerosol were sampled from the apparatus by the Single Particle Aerodynamic Relaxation Time (SPART) analyzer. Some products, such as the spray powder antiperspirant, spray lubricant, and furniture polish, showed little increase in count and mass median aerodynamic diameter under humid conditions. The size distribution of other products, such as oven cleaner, air freshener, insecticide, and pump spray antiperspirant, shifted such that the mass median aerodynamic diameters increased two- to fourfold. |
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Keywords: | Send correspondence to current address: Department of Anesthesiology School of Medicine University of Louisville Louisville Kentucky 40292 |
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