Particle Sizing by Photon Correlation Spectroscopy Part I: Monodisperse latices: Influence of scattering angle and concentration of dispersed material | Zendy

De Jaeger Nicolas | Zendy; Demeyere Hugo | Zendy; Finsy Robert | Zendy; Sneyers Rik | Zendy; Vanderdeelen Jan | Zendy; van der Meeren Paul | Zendy; van Laethem Marc | Zendy

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Particle Sizing by Photon Correlation Spectroscopy Part I: Monodisperse latices: Influence of scattering angle and concentration of dispersed material

Author(s) -

De Jaeger Nicolas,

Demeyere Hugo,

Finsy Robert,

Sneyers Rik,

Vanderdeelen Jan,

van der Meeren Paul,

van Laethem Marc

Publication year - 1991

Publication title -

particle and particle systems characterization

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.877

H-Index - 56

eISSN - 1521-4117

pISSN - 0934-0866

DOI - 10.1002/ppsc.19910080134

Subject(s) - dispersity , dynamic light scattering , sizing , polystyrene , particle (ecology) , range (aeronautics) , scattering , particle size , materials science , spectroscopy , analytical chemistry (journal) , light scattering , optics , molecular physics , chemical physics , nanotechnology , chemistry , polymer chemistry , composite material , nanoparticle , physics , chromatography , organic chemistry , polymer , oceanography , quantum mechanics , geology

The possibilities and limitations of Photon Correlation Spectroscopy as a practical tool for particle sizing are revisited. In a first step, well characterized monodisperse polystyrene latices with particle sizes ranging from about 30 nm to about 2 μm were examined in five different industrial and academic laboratories. Particular attention was paid to the effect of particle concentration and scattering angle. It turned out that for a particle diameter less than 0.5 μm reliable particle sizes can be obtained. In the range of 0.5 to 1 μm this was only possible within a very narrow range of concentration of dispersed material. For the largest size investigated (about 2 μm) the PCS measurements were less reliable which was reflected in a considerable variation of the results.

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