Title: <title>Laser sizing of fine particulates</title>
Abstract: Fine particulates are usually analyzed physically and chemically. Most important of the physical analyses is the particle size determination. Particle size data for the same fine particulate can vary depending on the instrument and method used. The basic reason for such discrepancies is the phenomenon of particle shape. Usually the particulates are of irregular shape and their size and size distribution are based on measurement of certain properties such as length, volume, mass, settling rate, total or projected surface area, sieve aperture, etc. The methods of particle size analysis provide identical or similar analysis results for spherically shaped, non-agglomerated particles only. The various principles used to measure particle size respond differently to changes in particle shape and agglomeration. In this paper the particle size analysis methods based on laser scattering phenomena are discussed. Sample data are presented for metallic, ceramic, and polymer particulates to compare the laser scattering results with others such as scanning electron microscopy, coulter counter, sedimentation, etc.
Publication Year: 1996
Publication Date: 1996-07-19
Language: en
Type: article
Indexed In: ['crossref']
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