The importance of particle size to spray hazard analysis

Legislative changes concerning the safety and testing of spray products place increasing importance on fully understanding their characteristics and controlling the inhalation risks. Spray droplet size dictates how deeply a particle can penetrate the lung and the ability to characterise droplet distribution is important. This article reviews the available techniques for measuring aerosol particle size, looks at the benefits and disadvantages of each and how the results compare.

Legislative changes concerning the safety and testing of spray products place increasing importance on fully understanding their characteristics and controlling the inhalation risks. Spray droplet size dictates how deeply a particle can penetrate the lung and the ability to characterise droplet distribution is important. This article reviews the available techniques for measuring aerosol particle size, looks at the benefits and disadvantages of each and how the results compare.

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