![]() A suitable sample quantity is taken to fill the hopper.ī. Generally, two types of PSD measurement methods are widely used, which are as below,Ī. Types of measurement used in the Laser Diffraction method: Mie’s theory needs knowledge of the optical properties, such as the refractive index of the measured sample, along with the dispersant. The particle size is described as a volume equivalent to the sphere model. Using the Mie theory of light scattering, angular scattering intensity data gets analyzed to calculate the size of the particles responsible for creating the scattering pattern. Large particles scatter light at small angles relative to the laser beam, and small particles scatter light at large angles”. “Laser diffraction measures the particle size distributions by measuring the angular variation in the intensity of light scattered as a laser beam passes through a dispersed particulate sample. Working Principle of the Laser Diffraction Method: Fast and can be executed on very small samples.Wide range application between 0.1 µm to 3000 µm.The laser diffraction method is one of the best techniques for PSD analysis because: The below techniques are used for particle size distribution (PSD) analysis We are going to discuss particle size distribution in this article. The PSD of a material may be significant for understanding its physical and chemical properties. Particle size analysis is a technique used to characterize how particles are distributed in a sample. Particle size distribution is the most important analysis because it is used widely in Pharmaceuticals (dissolution, manufacturing, and bioavailability), building materials, paints, coatings, food, and drink industries.
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