Particle-size analysis of latexes by classical and small-angle spectrodissymmetry |
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Authors: | J Vavra J Antalík |
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Institution: | (1) Department of Physical Chemistry, Slovak Technical University, Bratislava, Czechoslovakia;(2) Present address: Chemickotechnologicka fakulta SVST Katedra fyzikalnej chemie, Kollarovo nam. 9, 81237 Bratislava, Gedrostabcia, Czechoslovakia |
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Abstract: | The spectral dependence of classical and small-angle dissymmetryZ in polydispersions containing spherical particles with lognormal distribution was theoretically studied. It has been found, for instance, for polystyrene latex that small-angle dissymmetry may be used for determining the distribution parameters in systems with particle medial radius 60–700 nm on the basis of measurements ofZ (10°/5°( at two wavelengths of radiation. For particles outside this interval and by use of working relationships of classical dissymmetry only the application of a wide range of wavelengths comes into consideration by distribution analysis. |
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Keywords: | Light-scattering spectrodissymmetry particle-size analysis |
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