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The Particle Size Paradox
EP23947
Poster Title: The Particle Size Paradox
Submitted on 08 Nov 2016
Author(s): Jack G. Saad, Paul A. Webb
Affiliations: Micromeritics Instrument Corporation
This poster was presented at Pittcon 2016
Poster Views: 1,503
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Poster Information
Abstract: Particle size is an important piece of information for research and development, quality control, and quality assurance as well as understanding the small physical details in a milling or powder compaction process. These details can contribute to potential desired and undesired products. With recent technological advances, particles are now measured using various analytical techniques and instrumentation. Different analytical techniques seldom provide the same value for particle size. The “paradox” of particle sizing is that all the different values are the correct value. The four analytical particle sizing instrument techniques discussed and compared include dynamic image analysis, sedimentation, light-scattering, and electric sensing zone. The result of the comparison is that particle size data is specific to the analytical technique used to collect that size data and particle shape is an important characteristic to consider.Summary: Different analytical techniques seldom provide the same value for particle size. The “paradox” of particle sizing is that all the different values are the correct value. The four analytical particle sizing instrument techniques discussed and compared include dynamic image analysis, sedimentation, light-scattering, and electric sensing zone. Report abuse »
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