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Resolving Spectral Lines with a Periscope-Type DVD SpectroscopeFumitaka Wakabayashi Describes the periscope-type of DVD spectroscope and demonstrates the numerical analysis of its emission and absorption spectra. This improved design allows one to observe and photograph visible spectra more easily and clearly than earlier models; it thus has the potential to be a cost-effective, powerful, and versatile tool for science education. Wakabayashi, Fumitaka. J. Chem. Educ.2008, 85, 849.
Atomic Spectroscopy |
Solutions / Solvents |
Spectroscopy |
UV-Vis Spectroscopy
Flames Tests with FlairNicholas C. Thomas When conducted in a suitable fume hood, spraying hydrogen-filled balloons with aqueous solutions of metal salts provides a simple and safe method for demonstrating flame tests. Thomas, Nicholas C. J. Chem. Educ.2008, 85, 521.
Atomic Properties / Structure |
Atomic Spectroscopy |
Gases |
Metals
Using Hydrogen Balloons To Display Metal Ion SpectraJames H. Maynard Describes a procedure for igniting hydrogen-filled balloons containing metal salts to obtain the brightest possible flash while minimizing the quantity of airborne combustion products. Maynard, James H. J. Chem. Educ.2008, 85, 519.
Atomic Spectra and the Bohr TheoryEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Atomic Spectroscopy
Bohr Hydrogen Atom Emission SeriesWilliam F. Coleman In this Excel spreadsheet students use interactive arrows to explore various series in the hydrogen spectrum. The arrows change the final quantum state of the series. A second tab opens a sheet that allows exploration of the spectra of other one-electron species, by varying the nuclear charge. The nuclear charge is entered and the arrows again control the final state of the spectral series.
Atomic Spectroscopy |
Quantum Chemistry |
Enrichment / Review Materials
The Balmer Series This animation briefly introduces the basics of the emission spectra of one-electron atoms and ions. The first four lines of the Balmer series can be highlighted and the wavelengths read. There is a link to an Excel spreadsheet, Bohr1.xls, that explores these spectra in more detail.
