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1. Size, shape, size distribution
Particle size is undoubtedly the most sought-after parameter of a powder, both for predicting its behavior and for calculating the operations that involve it: storage, flow, separation, fluidization, heat exchange, chemical reactions, dispersion, dissolution, etc. And yet what does particle size mean? And yet, what does the size of a powder mean? For a spherical particle, one and only one quantity, namely its diameter, can represent its size. All other geometric characteristics (surface area, volume, specific surface area, etc.) can be rigorously determined from this. However, the definition of a characteristic particle size becomes more complicated as (figure ):
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Size, shape, size distribution
Characterizing the porous structure of powders
Bibliography
Also in our database
Events
Science et Technologie des Poudres (STP) et Matériaux frittés Triennial Symposium. May 27-29, 2009, Montpellier.
Société Française du Génie des Procédés (SFGP) biennial congress. October 14-16, 2009, Marseille.
International Granulation Workshop + biennial colloquium (organized by the University of Sheffield, England). June 22-24, 2009, Sheffield.
International...
Standards and norms
- Détermination de l'aire massique des poudres par diverses méthodes de perméabilimétrie à l'air - NF X11-602 - 10-77
Directory
Manufacturers and suppliers
(non-exhaustive list)
Particle size
Kalytia Technology http://www.kalytia.com
Micromeritics France SA http://www.micromeritics.fr
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