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  Home > JCE Print > Journal of Chemical Education > Issues > 2008  > October  >
In the Laboratory
Quantitative Analysis of Nail Polish Remover Using Nuclear Magnetic Resonance Spectroscopy Revisited
Markus M. Hoffmann, Joshua T. Caccamis, Mark P. Heitz, and Kenneth D. Schlecht
Department of Chemistry, State University of New York College at Brockport, Brockport, NY 14420
Cover
October 2008
Vol. 85 No. 10
p. 1421
Abstract
Substantial modifications are presented for a previously described experiment using nuclear magnetic resonance (NMR) spectroscopy to quantitatively determine analytes in commercial nail polish remover. The revised experiment is intended for a second- or third-year laboratory course in analytical chemistry and can be conducted for larger laboratory section enrollments. The experiment employs the standard addition method, places a strong emphasis on careful treatment of NMR data, and introduces elements of group learning where students critically interpret a relatively large set of data. NMR spectra are obtained from aqueous solution samples without any deuterium present for a lock signal, a technical feature of the experiment that might be of general interest to the undergraduate chemistry teaching community.
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Laboratory handout; Instructor notes
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Citation
Hoffmann, Markus M.; Caccamis, Joshua T.; Heitz, Mark P.; Schlecht, Kenneth D. J. Chem. Educ. 2008, 85, 1421.
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Keywords
Alcohols; Aldehydes / Ketones; Analytical Chemistry; Collaborative / Cooperative Learning; Consumer Chemistry; Hands-On Learning / Manipulatives; Instrumental Methods; Laboratory Equipment / Apparatus; Laboratory Instruction; NMR Spectroscopy; Quantitative Analysis; Second-Year Undergraduate; Upper-Division Undergraduate
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History
Created:
Last Updated:
8/27/2008
9/5/2008
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Experiments, laboratory exercises, lecture demonstrations, and other descriptions of the use of chemicals, apparatus, instruments, computers, and computer interfaces are presented in the Journal of Chemical Education as illustrative of new or improved ideas or concepts in chemistry instruction and are directed at qualified teachers. Although every effort is made to assure and encourage safe practices and safe use of chemicals, the Journal of Chemical Education cannot assume responsibility for uses made of its published materials. Many chemicals are hazardous. Precautions for the safe use of hazardous chemicals and directions for their proper disposal are described in the Material Safety Data Sheets and on the labels. We strongly urge all those planning to use materials from our pages to make choices and to develop procedures for laboratory and classroom safety in accordance with local needs and situations.
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