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This site created by:
Kelly Moore
Maintained by
Ramona Murtha
Admin. Asst.
Olin Science Center
Updated:05-03-05

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Student Participant
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| Kevin
Dean |
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Sophomore: Biochemistry
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| Participating in SCRP
during the summer of 2004 |
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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.
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| Project
Title |
| Laser Light Scattering
Investigations of the Isobutyric Acid/Water Binary Liquid Mixture
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| Abstract |
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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.
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| Advisor |
| Dr. Chuck Williamson |
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