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This site created by:
Kelly Moore
Maintained by
Ramona Murtha
Admin. Asst.
Olin Science Center

Updated:05-03-05

Student Participant
Kevin Dean

Sophomore: Biochemistry

Participating in SCRP during the summer of 2004

Kevin is from Weed, California and is the son of Bruce and Margaret. He has two sisters and one brother.

Kevin is a running back for the WU football team. Outside of football, he enjoys skiing, mountain biking, and photography.

Kevin finds organic synthesis intriguing. After graduating from WU, he plans to further his education in medicine, medicinal chemistry, or pharmaceuticals.

Project Title
Laser Light Scattering Investigations of the Isobutyric Acid/Water Binary Liquid Mixture
Abstract

Previously, researches have neglected the different types of light scattering involved in two phase liquid/liquid soluctions. Consequently, these assumptions have resulted in accurate data for the determination of the phase change temperature, especially near the critical point. With a better understanding of Rayleigh and Mie scattering, and an alternative approach to account for these light interactions, one can more accurately determine the phase diagram involving liquid/liquid solutions. We used 4 light detectors to account for the different types of light scattering, set up respectively at incident, 30 degrees, 90 degrees, and 135 degrees. We evacuated all of the atmospheric gases from the sample by a series of freeze thaws, and flame sealed each ampule. We were able to take .01 degree Celsius steps, and allowed each sample to equilibrate at each respective temperature for 8 minutes. Further research is planned in an effort to better understand the microscopic interactions involved in liquid/liquid phase changes.

Advisor
Dr. Chuck Williamson
 
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