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  Home > JCE Print > Journal of Chemical Education > Issues > 2008  > June  >
In the Laboratory
Magnetic Field Gradient Calibration as an Experiment To Illustrate Magnetic Resonance Imaging
Steven J. Seedhouse and Markus M. Hoffmann
Department of Chemistry, State University of New York College at Brockport, Brockport, NY 14420
Cover
June 2008
Vol. 85 No. 6
p. 836
Abstract
A nuclear magnetic resonance (NMR) spectroscopy experiment for the undergraduate physical chemistry laboratory is described that encompasses both qualitative and quantitative pedagogical goals. Qualitatively, the experiment illustrates how images are obtained in magnetic resonance imaging (MRI). Quantitatively, students experience the relationships between gradient strength, spectral width, and the quality of the obtained projection images as they calibrate the maximum field gradient strength of the instrument. They also find out the size of a trapped air bubble in their sample in close analogy how one could obtain information on physical sizes of objects in MRI.
Supplement
Student handout; Instructor notes
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Contents
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JCE2008p0836W.zip
JCE2008p0836W.doc (Microsoft Word)
More Information
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Citation
Seedhouse, Steven J.; Hoffmann, Markus M. J. Chem. Educ. 2008, 85, 836.
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Keywords
Calibration; Hands-On Learning / Manipulatives; Laboratory Instruction; NMR Spectroscopy; Physical Chemistry; Spectroscopy; Upper-Division Undergraduate
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History
Created:
Last Updated:
5/5/2008
5/7/2008
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