Using Ultrasound Scanning to Characterize Colloidal Particles
By: Malcolm Povey, Procter Department of Food Science and Lyn S. Daintree, PhD, Institute of Particle Science & Engineering
Posted: May 1, 2008, from the May 2008 issue of Cosmetics & Toiletries.
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Article Keywords:
- ultrasound
- colloidal particles
- stability
- product characterization
- phase separation
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Ultrasound scanning is a highly promising new technique for product characterization and stability determination of colloidal and aqueous-based formulations. The stability of colloidal and fluid/particle dispersions is of increasing importance to the cosmetic and personal care industry where differences in raw materials can affect the batch-to-batch quality of products. Additionally, product developers in the industry need tools to predict formulation stability to reduce development time.
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