Establishing A Robust Environment for Inhaler Testing

Exploring the effects of temperature, humidity, and electrostatics

In this white paper, we examine how the poor control of temperature, relative humidity and electrostatics can influence inhaler testing. We consider how these variables affect the performance of OIPs thereby influencing both aerodynamic particle size distribution (APSD) measurement by cascade impaction and delivered dose uniformity (DDU) testing. Separately, we assess their impact on the performance of cascade impactors, concluding with a discussion of solutions that can help. The aim of the white paper is to increase awareness of the various ways that the test environment may be influencing results and to provide practical suggestions for improvement. Expand your knowledge further with the companion Application Note, available to download here.
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Establishing A Robust Environment for Inhaler Testing

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