Aude Lietard
A Combined Spectrophotometer and Fluorometer to Demonstrate the Principles of Absorption Spectroscopy
Lietard, Aude; Screen, Martin A.; Flindt, Diana L.; Jordan, Caleb J.C.; Robson, Jacquie M.; Verlet, Jan R.R.
Authors
Martin A. Screen
Diana L. Flindt
Caleb J.C. Jordan
Professor Jacquie Robson j.m.robson@durham.ac.uk
Professor
Professor Jan Verlet j.r.r.verlet@durham.ac.uk
Professor
Abstract
A dual-function student-crafted instrument is described as part of a laboratory activity aimed to teach both the principles and practical aspects of absorption spectroscopy to secondary and introductory undergraduate students. Using minimal changes in an arrangement that is based on interlocking bricks and low-cost components, both a fluorometer and photometer have been constructed. The former demonstrates the principles of the Beer–Lambert law visually and quantitatively by acquiring the spatial light attenuation through a fluorescent sample. The latter then demonstrates its practical application in a visible-light spectrometer by measuring the absorption spectrum of an aqueous permanganate solution.
Citation
Lietard, A., Screen, M. A., Flindt, D. L., Jordan, C. J., Robson, J. M., & Verlet, J. R. (2021). A Combined Spectrophotometer and Fluorometer to Demonstrate the Principles of Absorption Spectroscopy. Journal of Chemical Education, 98(12), 3871-3877. https://doi.org/10.1021/acs.jchemed.1c00742
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 1, 2021 |
Online Publication Date | Nov 12, 2021 |
Publication Date | Dec 14, 2021 |
Deposit Date | Jan 11, 2022 |
Publicly Available Date | Nov 12, 2022 |
Journal | Journal of Chemical Education |
Print ISSN | 0021-9584 |
Electronic ISSN | 1938-1328 |
Publisher | American Chemical Society |
Peer Reviewed | Peer Reviewed |
Volume | 98 |
Issue | 12 |
Pages | 3871-3877 |
DOI | https://doi.org/10.1021/acs.jchemed.1c00742 |
Public URL | https://durham-repository.worktribe.com/output/1217516 |
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Copyright Statement
This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Chemical Education, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jchemed.1c00742
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