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Small angle static light scattering: absolute intensity measurements

Published online by Cambridge University Press:  15 March 2002

A. Thill ,
S. Désert  and
M. Delsanti
A. Thill
Affiliation:
Service de Chimie moléculaire, Bât. 125, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
S. Désert
Affiliation:
Service de Chimie moléculaire, Bât. 125, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
M. Delsanti*
Affiliation:
Service de Chimie moléculaire, Bât. 125, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
*
[email protected]
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Abstract

We describe a home made small angle light scattering apparatus. The detection is based on a high sensitivity 16 bits CCD camera placed in the focal plane of a lens. The apparatus is calibrated in such a way that it allows measurements of the scattered intensity in absolute values as a function of the scattering vector. Carefully characterized latex particle suspensions (determined size distribution and particle density number) are used to test the validity of calibrations. Particle scattering patterns in absolute units show good agreement with computed intensities using Mie theory. The apparatus performances are finally discussed.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 17 , Issue 3 , March 2002 , pp. 201 - 208
Copyright
© EDP Sciences, 2002

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