Gel time of different volume fractions of polystyrene particles. Scattering of light in colloid. Rakshya Khatiwada. 08/03/06. Outline. Introduction Apparatus Calibration Sample Preparation Measurements and Data Analysis Results Conclusion. Introduction.
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Scattering of light in colloid
The intensity of light doesn’t change much because the network stops growing
488nm laser beam
Scattering wave vector
Unit: 1/m gives the size of the aggregate
Intensity vs. wave vector q particlesMeasurements and Data Analysis
Theoretical gel time:
Supervisor: Tahereh Mokhtari & Dr. Christopher Sorensen
& Hao Yan