Malvern Instruments showcases spray droplet size measurement at AEROSOL 2013

15 August 2013: Malvern, UK: Malvern Instruments is to illustrate how the Spraytec laser diffraction droplet size analyzer is being used as part of aerosol and cosmetic spray safety assessments at the International Aerosol Congress 2013 (24-26 September 2013, Madrid, Spain). Entitled 'Control and effectiveness, modeling spray exposure', the talk will explore the use of the Spraytec for particle size analysis during aerosolization, presenting examples of how operators are employing the system to assess the potential health and safety risks of aerosol use.

The Aerosol Dispensers Directive 75/324/EEC and Cosmetic Products Regulation (EC) 1223/2009 require manufacturers to assess the potential risk to humans of product use for 'normal and reasonably foreseeable exposure routes'. For aerosols this includes the risk of inhalation, a factor that is overridingly influenced by particle and droplet size. Malvern¹s presentation, delivered by particle sizing expert Dr Anne Virden, will demonstrate the Spraytec's ability to measure and map out the changes in droplet size that occur during a real-time spray event, enabling the Chemical Safety Assessment (CSA) required of aerosol device manufacturers to be carried out.  

Malvern¹s Spraytec system measures across a wide range of particle sizes (0.1 ­ 2000 microns) during real-time spray actuation. Capable of resolving rapid changes in droplet size over time by taking up to 10,000 measurements per second, the technique is eminently suited to testing spray and atomization processes for aerosol devices. To find out more about laser diffraction particle sizing and the Spraytec or for a full program of Malvern¹s upcoming events visit the Malvern Instruments website at

Malvern and Malvern Instruments are registered trademarks of Malvern Instruments Ltd Spraytec is a trademark of Malvern Instruments Ltd

About Malvern Instruments

Malvern provides the materials and biophysical characterization technology and expertise that enables scientists and engineers to understand and control the properties of dispersed systems. These systems range from proteins and polymers in solution, particle and nanoparticle suspensions and emulsions, through to sprays and aerosols, industrial bulk powders and high concentration slurries. Used at all stages of research, development and manufacturing, Malvern¹s materials characterization instruments provide critical information that helps accelerate research and product development, enhance and maintain product quality and optimize process efficiency.

Our products reflect Malvern¹s drive to exploit the latest technological innovations and our commitment to maximizing the potential of established techniques. They are used by both industry and academia, in sectors ranging from pharmaceuticals and biopharmaceuticals to bulk chemicals, cement, plastics and polymers, energy and the environment.

Malvern systems are used to measure particle size, particle shape, zeta potential, protein charge, molecular weight, mass, size and conformation, rheological properties and for chemical identification, advancing the understanding of dispersed systems across many different industries and applications.

Headquartered in Malvern, UK, Malvern Instruments has subsidiary organizations in all major European markets, North America, China, Japan and Korea, a joint venture in India, a global distributor network and applications laboratories around the world.

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Marisa Fraser, Malvern Instruments Inc.
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