Tag Archives: zeta


Published 12 Mar 2019

Determining the quality of asphalt emulsions using particle size and zeta potential analysis

What are asphalt emulsions and why are they important? They are liquid asphalt cement emulsified in water. They compose of bitumen, water, and an emulsifying agent or surfactant. Asphalt emulsions are integral to the optimum mechanical properties. Modified asphalt emulsions…READ MORE >

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Published 5 Sep 2018

Find the Field Strength in your Zetasizer

How can we obtain the applied field strength? When performing electrophoretic light scattering (ELS) measurements, the sample is exposed to an externally applied electric field, and we observe the extra movement that the particles undergo as a result of the…READ MORE >

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Published 19 Jun 2018

A basic introduction to Electrophoretic Light Scattering (ELS) for Zeta potential measurements – Q&A

I presented a new webinar focusing on “A basic introduction to Electrophoretic Light Scattering (ELS)“. In this presentation, I explained the importance of Zeta potential measurements for colloidal dispersions and how it is determined using ELS. As you certainly know,…READ MORE >

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Published 23 May 2018

Top Applications for the Zetasizer

Where is the Zetasizer used?   For around two decades, the Zetasizer range has been the de facto standard for performing dynamic light scattering (DLS) measurements on a wide range of particles and materials. Today’s launch of the¬†Zetasizer Pro and…READ MORE >

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Published 6 Mar 2018

Zeta potential in salt solution (or any other ions)

Will the zeta potential of my vesicles vary in different buffers?   The short answer is: Yes, it will. In select cases, the value of the measured zeta potential may remain close to the same. However, that is the exception…READ MORE >

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