NTA mainly uses the principle of scattering of light by a particle to locate it in real-time. The particle movements are tracked, and the size is measured using a high-speed video recording. 2 A laser ...

ECA diameter, which is the logical measure to use with spheres, is the diameter of a circle which shares an equivalent projected area with the actual particle. Beads habitually bunch together, and the ...

As most powder granules in the industry have irregular shapes, the question posed does not have a straightforward answer. Industry, as a rule, circumnavigates the problem by deciding a single size, or ...