303 Aktuelle Veranstaltungen von Malvernrss
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This presentation explores particles and particle size, how particle sizing techniques deal with a particle, and how the measurement of particle size and particle size distributions can be achieved.
A summary of the new capabilities of the Zetasizer Nano systems and how to measure molecular weight with a single angle light scattering system
The Zetasizer Nano uses the ISO recommended Cumulants approach to measure the mean sample size and polydispersity index from dynamic light scattering measurements to ensure compliance with international standards
The Zetasizer Nano measures size using dynamic light scattering to monitor time dependent aggregation of protein formulations, and zeta potential to characterize surface properties, that can be linked with stability and shelf life
The Zetasizer Nano software integrates a Debye plot to simplify the measurement of molecular weight. However the biggest source of error is always in sample preparation and handling. This presentation provides training for these measurements
Significant progress has been made over the past 15 years in understanding instabilities in viscoelastic flows, especially rheometric flows such as flow between concentric cylinders and torsional flow between a cone and plate or between parallel plates. We review the criteria for determining when ...
Oscillatory tests in a rotational rheometer can be subject to certain measurement artefacts. What is the gap loading condition? Are they a good or a bad thing? What is harmonic distortion? This presentation will discuss possible measurement artefacts and explain how to minimise errors and obtain ...
Associative thickeners have become an important group of rheological additives, especially in the coating industry. They impart improved flow and leveling and reduced spattering. We will review the various types of associative thickeners, their thickening mechanisms and their effect on ...