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A polarization sensitive light scattering unit for high throughput screening
John F Anderson1, Michael F Drenski2, Curtis W Jarand3
1School of Sciences, University of Louisiana-Monroe, Monroe, Louisiana 71029, USA.
Abstract:
A simple, effective light scattering prototype sensitive to both polarized and depolarized scattering was constructed, and its performance was tested on a variety of pure liquids and optically isotropic and anisotropic polymer solutions and colloidal suspensions. The results, performance, and means to further improvement are reported here. Because of its simplicity and low cost, many identical units can be produced to construct a simultaneous multiple sample light scattering platform that can be used to monitor polymer and colloid solution stability, phase changes, aggregation, degradation, etc. Measurable depolarization was found for a variety of organic liquids and suspensions of both polyfluoroethylene and latex spheres. No detectable depolarization was found for various polymers.
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