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2004
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January
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In the Laboratory
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Investigation of Imposter Perfumes Using GC–MS
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Kelley A. Mowery, Daniel E. Blanchard, Stephanie Smith, and Thomas A. Betts
Department of Physical Sciences, Kutztown University of PA, Kutztown, PA 19530
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January 2004
Vol. 81 No. 1
p. 87
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| Abstract |
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An experiment for the analysis of brand-name fragrances and fragrance "impressions" by GC–MS is described. Fragrances represent an enormous chemical industry, with a global market value of almost $20 billion. Since fragrances are also of interest to most students, the experiment provides them a "real-world," consumer-product analysis. The complexity of most perfume samples helps students understand the power of capillary GC as a separation technique. Furthermore, the minimal sample preparation required for this experiment enables students to spend significantly more time becoming familiar with GC–MS hardware and software. After performing the experiment students should be familiar with the operation of a modern GC–MS, headspace sampling, data analysis using GC–MS software tools, and mass spectral library searching. This experiment is currently designed as an introduction to the capabilities of GC–MS instrumentation, but could readily be adapted for use in other courses: in a quantitative analysis course, students could quantify the odorous components of brand-name and imposter fragrances; in a physical chemistry laboratory, students could determine a Henry's law constant for any volatile component in the fragrance; in an organic course, students could focus more on molecular structures and related fragmentation patterns.
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| Supplement |
Instructions for the students and notes for the instructor are available.
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 Contents |
JCE2004p0087W.doc (Microsoft Word)
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| Download |
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| More Information |
Citation |
Mowery, Kelley A.; Blanchard, Daniel E.; Smith, Stephanie; Betts, Thomas A. J. Chem. Educ. 2004 81 87.
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Keywords |
Analytical Chemistry; Chromatography; Consumer Chemistry; Instrumental Methods; Laboratory Instruction; Mass Spectrometry
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History |
Created:
Last Updated: |
December 8, 2003
February 18, 2005
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| Home > JCE Print > Journal of Chemical Education > Issues >
2004
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January
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87
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