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Polydispersions radiation envelope: Influence of particle size and assumed distribution function

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  • Colloid Science
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Summary

The influence of polydispersity, particle size and of assumed distribution on angular dependence of theMie intensity functions in systems with relative refractive indexm = 1.10 was studied theoretically. Two distribution functions were used; Stevenson-Heller-Wallach (SHWD) and logarithmic distribution of negative order (NOLD). It was found, that for highly polydisperse systems the functional dependences obtain also undulative character. By means of NOLD the angular shift of extremes on the curves studied with increasing polydispersity was not observed. The application of this distribution in comparison with SHWD shows more structured angular scattering patterns with increasing particle size and this fact can also be employed in modelling and in distribution analysis of dispersion with higher degree of polydispersity.

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Authors and Affiliations

  1. Department of Physical Chemistry, Slovak Technical University, Bratislava

    J. Vavra & J. Bocko

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  1. J. Vavra
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  2. J. Bocko
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Vavra, J., Bocko, J. Polydispersions radiation envelope: Influence of particle size and assumed distribution function. Colloid & Polymer Sci 257, 1284–1288 (1979). https://doi.org/10.1007/BF01417525

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  • DOI: https://doi.org/10.1007/BF01417525

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