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An Undergraduate Field Experiment for Measuring Exposure to Environmental Tobacco Smoke in Indoor Environments
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Abstract
An undergraduate field experiment is described for the measurement of nicotine and various carbonyl compounds arising from environmental tobacco smoke. Students are introduced to practical techniques in HPLC-UV and GC-NPD. Also introduced are current methods in personal air sampling using small and portable field sampling pumps. Carbonyls (formaldehyde, acetaldehyde, acrolein, and acetone) are sampled with silica solid-phase extraction cartridges impregnated with 2,4-dinitrophenylhydrazine, eluted, and analyzed by HPLC-UV (360-380 nm). Nicotine is sampled using XAD-2 cartridges, extracted, and analyzed by GC-NPD. Students gain an appreciation for the problems associated with measuring ubiquitous pollutants such as formaldehyde, as well as the issue of chromatographic peak resolution when trying to resolve closely eluting peaks. By allowing the students to formulate their own hypothesis and sampling scheme, critical thinking and problem solving are developed in addition to analysis skills. As an experiment in analytical environmental chemistry, this laboratory introduces the application of field sampling and analysis techniques to the undergraduate lab.
Keywords (Audience):
Second-Year UndergraduateKeywords (Domain):
Analytical ChemistryKeywords (Pedagogy):
Hands-On Learning / ManipulativesKeywords (Subject):
ChromatographyCiting Articles
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This article has been cited by 3 ACS Journal articles (3 most recent appear below).
Micelle-Mediated Extraction of Heavy Metals from Environmental Samples: An Environmental Green Chemistry Laboratory Experiment
Dimosthenis L. Giokas , Evangelos K. Paleologos and Miltiades I. KarayannisJournal of Chemical Education2003 80 (1), 61Micelle-Mediated Extraction of Heavy Metals from Environmental Samples: An Environmental Green Chemistry Laboratory Experiment
Dimosthenis L. Giokas , Evangelos K. Paleologos and Miltiades I. KarayannisJournal of Chemical Education2003 80 (1), 61A new laboratory experiment in which students extract and analyze several metallic contaminants from environmental samples is presented. The experimental procedure employs extraction of the target analytes by using an environmentally-benign ...
Measurement of Trace Metals in Tobacco and Cigarette Ash by Inductively Coupled Plasma-Atomic Emission Spectroscopy
W. Wang and B. J. Finlayson-PittsJournal of Chemical Education2003 80 (1), 83Measurement of Trace Metals in Tobacco and Cigarette Ash by Inductively Coupled Plasma-Atomic Emission Spectroscopy
W. Wang and B. J. Finlayson-PittsJournal of Chemical Education2003 80 (1), 83The ICP–AES experiment reported here is suitable for use in a junior- or senior-level undergraduate instrumental analysis laboratory. The objective of this experiment is to analyze trace metals present in cigarette tobacco, the cigarette filter, and the ...
Quantitative Determination of Nicotine and Cotinine in Urine and Sputum Using a Combined SPME-GC/MS Method
X. Fan , M. Lam , D. T. Mathers and S. A. Mabury , A. E. Witter and D. M. KlingerJournal of Chemical Education2002 79 (10), 1257Quantitative Determination of Nicotine and Cotinine in Urine and Sputum Using a Combined SPME-GC/MS Method
X. Fan , M. Lam , D. T. Mathers and S. A. Mabury , A. E. Witter and D. M. KlingerJournal of Chemical Education2002 79 (10), 1257An advanced undergraduate experiment for the analysis of nicotine metabolites in urine and sputum is described. Students use solid-phase microextraction (SPME) coupled with gas chromatography/isotope dilution/selective ion monitoring/mass spectrometry to ...
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- Received: August 03, 2009
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