Making measurements Chapter 4
Mastersizer 3000 Page 4-27
Sample - Particle Type
The Particle Type settings allow you to specify the shape of particles under analy-
sis in order for the software to apply the optimal analysis model.
Section/Option Description
Non-Spherical This analysis mode is applicable for particles which are irreg-
ular in shape, or have a rough surface structure. For exam-
ple, it should be selected for milled or crushed materials.
This mode uses Mie Theory, and therefore requires input of
the optical properties of your sample in order to calculate a
particle size distribution. The advantage of this is that it pro-
vides the possibility of obtaining accurate size distributions
for all particle sizes.
Spherical This analysis mode is applicable for particles which are per-
fectly spherical in shape. For example, it should be selected
for polymer latex samples or for emulsions.
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