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Particle Characterization Webinars

Spanning topics from introductory discussions to advanced applications and industry groups, the HORIBA particles webinar series is a great source of information on the world of particles. To learn about upcoming webinars, use the contact us form and indicate you wish to subscribe to the particle newsletter.

Next Webinar:

October 29th at 1:30 PM (Eastern), 10:30 AM (Pacific)
Particle Classroom Series V: Sampling and Dispersion
with Dr. Jeff Bodycomb | HORIBA Scientific
| Register Here |

The goal of a particle analysis is to understand the properties of a material, whether it is the size distribution of particles that are manufactured today or the size distribution of particles in the truck that just arrived. Naturally, a particle analyzer only encounters a tiny fraction of that material, the sample.

In addition, particles can be bound together to form agglomerates that do not represent the underlying materials. The instrument will then measure the agglomerates, not its constituent particles. In this webinar, Jeff discusses how to improve data quality by obtaining a representative sample and effectively disperse the sample to remove or prevent agglomerates.



Future Webinars (subject to change)

November 12th at 1:30 PM (Eastern), 10:30 AM (Pacific)
Particle Classroom Series VI: Method Development
with Dr. Jeff Bodycomb | HORIBA Scientific

More details to come.



December 10th at 1:30 PM (Eastern), 10:30 AM (Pacific)

Interpreting Laser Diffraction Results for Non-Spherical Particles
with Dr. David M. Scott | Advanced Particle Sensors LLC
| Register Here |

Particle shape can have a profound impact on particle size distribution (PSD) measurements. In the case of Laser Diffraction, the shape and aspect ratio of particles alter the diffraction pattern used to determine PSD, which is calculated the basis of equivalent spherical diameter. For instance, it has been established that the reported size of an ellipsoid is always smaller than the physical major dimension of the particle. Furthermore, when non-spherical particles align within a flowing sample, laser diffraction instruments typically report a bi-modal size distribution even in the case of monodisperse samples.

Equipped with only qualitative knowledge of particle shape, the particle analyst can resolve this inherent ambiguity and use laser diffraction to obtain quantitative information (such as aspect ratio) about non-spherical particles. This webinar explains the origin of this effect, describes how to interpret PSD data in such cases, and demonstrates several practical applications for measurements of crystals, bacteria, and clays.

Particle Classroom Series

Webinars

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