Powder particle sizing: An introduction to particle sizing using dynamic light scattering and laser diffraction
Powder handling is a common operation found in several industrial processes like storage, feeding, fluidization, blending, compaction etc. where powders are used as raw materials, intermediates, or final products. Oftentimes, handling and working with powders can be quite difficult and challenging owing to their change in behavior during manufacturing processes, mostly resulting from changes in powder particle size. Unexpected changes and poorly characterized size of powders can have an enormous impact on the quality of the final product.A number of technologies exist for particle sizing that encompasses powder sampling and analysis in a dry or wet state. We present, in this webinar, the widely used technologies of Dynamic Light Scattering (DLS) and Laser Diffraction (LD) to reliably determine particle size. This webinar will discuss the theory behind these measurement techniques and present some examples from particle size measurements on powders both in the dry and wet state.
Instructor: Dr. Brian Rodenhausen
Dr. Brian Rodenhausen is a Senior Product Specialist in the Particle and Materials Characterization group at Anton Paar USA. His research background focused on label-free characterization of the solid-liquid interface. He received his Ph.D. in chemical engineering from the University of Nebraska-Lincoln (UNL) and did post-doctoral work at UNL and the Leibniz Institute of Polymer Research in Dresden, Germany.
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