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Diffusion of particles via brownian motion depends on particle size. This is used to determine the particle size distribution (PSD) of suspensions via the dynamic light scattering (DLS) (for example, Finsy R 1994). In this method, the correlation of light scattered by a large number of particles is measured.
The diffusion coefficient (see Dynamic light scattering) of a single particle was measured via optical particle tracking (for example, Schätzel et al 1992, see also Single particle tracking).
See also VBA Finder_C_2005_Analysis_of_PSD_20081205
| CITATION: Jonasz M. 2006. PSD by particle tracking (www.tpdsci.com/Tpc/PsdPtTrk.php). In: Top. Part. Disp. Sci. (www.tpdsci.com). |
HISTORY: Published: 17-Jan-2006 Modified: 22-Nov-2011 Peer-reviewed: PENDING |