Advancements in particle size analysis enhance quality control across industries, utilizing AI and smartphone photogrammetry for improved accuracy.
By Nidhi DhullMar 14 2024Reviewed by Megan Craig, M.Sc. Explore how advancements in particle size analysis, including innovative methods like smartphone photogrammetry and artificial intelligence, are transforming industries ranging from pharmaceuticals to environmental protection—continue reading to delve deeper into the topic.A particle is defined as a discrete sub-part of a material.
A thorough particle size analysis is critical to understanding how it affects the properties of the ingredients and final product. Such particle size clarity allows for the process's optimization to improve product performance. It helps troubleshoot manufacturing and supply issues.1 Apart from individual product improvement, it enhances the robustness of the overall supply chain. Thus, proper particle size analysis can ensure quality control and highly efficient product manufacturing.
Laser diffraction is widely used for particle sizing in the range of submicrons to millimeters. A laser beam is passed through a dispersed particulate matter, and the angular variations in the intensity of scattered light are measured. Subsequently, the Mie theory of light scattering is used to obtain the particle size distribution. It is a well-established method with high sample throughput due to rapid measurements.
Scanning electron microscope is also commonly used to characterize particles with a size of a few nanometers. It also records 2D images of the particles but provides better resolution than optical sizing methods and is best suited to working on the nanoscale.2 Particle size analysis is an important step in various fields of science and engineering. In construction engineering, the particle size distribution of aggregates is a critical factor in determining the strength of asphalt concrete mixtures.
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