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Polymer Macro- and Micro-Gel Beads: Fundamentals and Applications pp 1–25Cite as

Physical Properties of Beads and Their Estimation

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Abstract

In Chapter 1, the criteria used to describe the shape and size of beads are explained. In particular, sections on roundness, sphericity, measurement of axial dimensions, and resemblance to geometric bodies are included. A special section is devoted to the methods used to estimate average projected area, volume, and density, including specific gravity balance and pycnometric methods. Other sections are devoted to bead surface area and specific surface in porous media, i.e., dried beads. Also covered are image processing and its utilization for hydrocolloid beads. Finally, the chapter discusses the structure of hydrocolloid beads, their density, and their porosity.

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  1. Institute of Biochemistry, Food Science and Human Nutrition, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel

    Amos Nussinovitch

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Nussinovitch, A. (2010). Physical Properties of Beads and Their Estimation. In: Polymer Macro- and Micro-Gel Beads: Fundamentals and Applications. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6618-6_1

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