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Issue 34, 2018

Rapid, non-invasive characterization of the dispersity of emulsions via microwaves

Author affiliations

Abstract

A rapid and non-invasive method to determine the dispersity of emulsions is developed based on the interrelationship between the droplet size distribution and the dielectric properties of emulsions. A range of water-in-oil emulsions with different water contents and droplet size distributions were analysed using a microwave cavity perturbation technique together with dynamic light scattering. The results demonstrate that the dielectric properties, as measured by non-invasive microwave cavity analysis, can be used to characterise the dispersity of emulsions, and is also capable of characterizing heavy oil emulsions. This technique has great potential for industrial applications to examine the sedimentation, creaming and hence the stability of emulsions.

Graphical abstract: Rapid, non-invasive characterization of the dispersity of emulsions via microwaves

Supplementary files

Article information


Submitted
25 Jan 2018
Accepted
19 Jul 2018
First published
30 Jul 2018

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2018,9, 6975-6980
Article type
Edge Article

Rapid, non-invasive characterization of the dispersity of emulsions via microwaves

Y. Yan, S. Gonzalez-Cortes, B. Yao, D. R. Slocombe, A. Porch, F. Cao, T. Xiao and P. P. Edwards, Chem. Sci., 2018, 9, 6975 DOI: 10.1039/C8SC00406D

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