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Assumptions, particle size measurement sedimentation

When evaluating the results of these measurements one has to remember that a property of the particles (light scattering or the velocity of sedimentation) is determined. With models relying on a number of assumptions (for example that all particles are spherical) and further input (for example the complex index of refraction or the density) the particle size distribution is calculated in the final step. Applying the results of the measurement this and other deviations from the model have to be taken into account. Different measurement techniques usually result in different results for the measurements of particle size distributions. [Pg.19]

Some measurement techniques also require physical characteristics, such as density and refractive index. Kor example, refractive-index information is usually needed for methods based on light scattering, but densities are generally required for those based on sedimentation, Often, assumptions are made about these quantities unless measured values are available. These assumptions can again lead to discrepancies in measured particle sizes. [Pg.951]


See other pages where Assumptions, particle size measurement sedimentation is mentioned: [Pg.231]    [Pg.317]    [Pg.63]    [Pg.65]    [Pg.13]    [Pg.262]    [Pg.503]    [Pg.366]   
See also in sourсe #XX -- [ Pg.13 ]




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