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Identifying and quantifying nanoparticles in powder materials is a time-consuming and expensive task, but it is also important. Currently, electron microscopy imaging techniques are primarily used to count and measure the dimensions of thousands of individual particles. This allows us to determine what percentage (by number) of the particles are nanoparticles. However, this is only a relative nanoparticle content and is therefore limited in the answers it can provide. We present the new PowMaste...

Created in the 1970s, dynamic light scattering (DLS) has established itself over the years as an essential technique for measuring the size distribution of nanoparticles suspended in liquids. Indeed, thanks to its precision and ease of use, DLS has now become a reference method for characterizing colloids in scientific and industrial applications. In this webinar, after a review of the basic principles of DLS, we will present recent technological advances in this technique, in particular th...