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Journal Articles: 28 results
Flames Tests with Flair  Nicholas 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 Spectra  James 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 Properties / Structure |
Atomic Spectroscopy |
Gases |
Metals |
Solutions / Solvents
Guitar Strings as Standing Waves: A Demonstration  Michael Davis
This demonstration uses an acoustic guitar to produce three unique harmonic vibrations, each of which is representative of a standing wave and illustrates the concept of quantization.
Davis, Michael. J. Chem. Educ. 2007, 84, 1287.
Atmospheric Chemistry |
Atomic Properties / Structure |
Atomic Spectroscopy
The Analysis of a Murder, a Case Study  Frank J. Dinan, Steven H. Szczepankiewicz, Melinda Carnahan, and Michael T. Colvin
In conjunction with a forensic chemistry case study, students perform strontium determinations, use the data to locate a victim's origin, and act as detectives to formulate a plan to apprehend the murderers.
Dinan, Frank J.; Szczepankiewicz, Steven H.; Carnahan, Melinda; Colvin, Michael T. J. Chem. Educ. 2007, 84, 617.
Applications of Chemistry |
Atomic Properties / Structure |
Spectroscopy |
Instrumental Methods |
Atomic Spectroscopy
Flame Emission Spectrometry in General Chemistry Labs: Solubility Product (Ksp) of Potassium Hydrogen Phthalate  Frazier W. Nyasulu, William Cusworth III, David Lindquist, and John Mackin
In this general chemistry laboratory, flame emission spectrometry is used to determine the potassium ion concentration in saturated solutions of potassium hydrogen phthalate. From these data the solubility products, the Gibbs free energies of solution, the standard enthalpy of solution, and the standard entropy of solution are calculated.
Nyasulu, Frazier W.; Cusworth, William, III; Lindquist, David; Mackin, John. J. Chem. Educ. 2007, 84, 456.
Acids / Bases |
Atomic Properties / Structure |
Spectroscopy |
Equilibrium |
Quantitative Analysis |
Thermodynamics |
Titration / Volumetric Analysis |
Solutions / Solvents |
Aqueous Solution Chemistry |
Atomic Spectroscopy
Application of Calibrated Peer Review (CPR) Writing Assignments To Enhance Experiments with an Environmental Chemistry Focus  Lawrence D. Margerum, Maren Gulsrud, Ronald Manlapez, Rachelle Rebong, and Austin Love
Proposes the use of Web-based peer-reviewed writing for pre- and postlab assignments for large enrollment first-semester general chemistry laboratory courses. Results show that students submit average essays, but master the material via sequential reviews of exemplary and peer essays.
Margerum, Lawrence D.; Gulsrud, Maren; Manlapez, Ronald; Rebong, Rachelle; Love, Austin. J. Chem. Educ. 2007, 84, 292.
Spectroscopy |
Atomic Properties / Structure |
Quantitative Analysis |
Atomic Spectroscopy
Do the Series in the Hydrogen Atom Spectrum Ever Overlap?  David W. Ball
Addresses the question, do the series in the hydrogen atom spectrum ever overlap?
Ball, David W. J. Chem. Educ. 2006, 83, 883.
Atomic Properties / Structure |
Quantum Chemistry |
Spectroscopy |
Atomic Spectroscopy
An Improved Flame Test for Qualitative Analysis Using a Multichannel UV–Visible Spectrophotometer  Jonathan P. Blitz, Daniel J. Sheeran, and Thomas L. Becker
Describes the application of a multichannel array spectrometer equipped with a fiber optic probe for the acquisition of emission spectra as a means of performing flame tests for qualitative analysis in the general chemistry laboratory.
Blitz, Jonathan P.; Sheeran, Daniel J.; Becker, Thomas L. J. Chem. Educ. 2006, 83, 277.
Atomic Properties / Structure |
Instrumental Methods |
Laboratory Equipment / Apparatus |
Qualitative Analysis |
UV-Vis Spectroscopy |
Atomic Spectroscopy
ORBITAL  Robert M. Hanson
Software that produces probability-based three-dimensional representations of the hydrogen atom and other single-electron systems.
Hanson, Robert M. J. Chem. Educ. 2003, 80, 710.
Atomic Properties / Structure |
Atomic Spectroscopy |
Computational Chemistry |
Enrichment / Review Materials
ORBITAL  Robert M. Hanson
Software for producing probability-based three-dimensional representations of atomic orbitals of the hydrogen atom and other single-electron systems; found on the Advanced Chemistry Collection CD-ROM, 3rd Edition.
Hanson, Robert M. J. Chem. Educ. 2003, 80, 109.
Atomic Properties / Structure |
Atomic Spectroscopy |
Computational Chemistry
Fingerprinting: Commercial Products and Elements  DeeDee Allen and Maria T. Oliver-Hoyo
Activity in which students relate emission spectra to bar codes.
Allen, DeeDee; Oliver-Hoyo, Maria T. J. Chem. Educ. 2002, 79, 459.
Atomic Spectroscopy |
Atomic Properties / Structure
A Dramatic Flame Test Demonstration  Kristin A. Johnson and Rodney Schreiner
Spraying a methanol / salt solution into the flame of a Meker burner to produce a large, brightly colored flame.
Johnson, Kristin A.; Schreiner, Rodney. J. Chem. Educ. 2001, 78, 640.
Atomic Properties / Structure |
Atomic Spectroscopy
An Improved Method for Students' Flame Tests in Qualitative Analysis  William D. Bare, Tom Bradley, and Elizabeth Pulliam
A new method for flame tests to be performed by students is presented. The method involves the use of a hot wire to vaporize the sample,which is subsequently drawn into the flame via the burner air vent.
William D. Bare, Tom Bradley, and Elizabeth Pulliam. J. Chem. Educ. 1998, 75, 459.
Atomic Properties / Structure |
Atomic Spectroscopy
Syringe Ammonia Fountain  Jin Li and Ai-Zhi Peng
Energizing various metallic chlorides in watch glasses with methanol to introduce atomic emission spectroscopy.
Li, Jin; Peng, Ai-Zhi; Burgett, P. Clayton. J. Chem. Educ. 1995, 72, 828.
Atomic Spectroscopy |
Atomic Properties / Structure
Line spectra using a CD disc  Brouwer, Henry
Viewing the emission spectrum from a gas discharge tube or element heated in a flame using a CD disk.
Brouwer, Henry J. Chem. Educ. 1992, 69, 829.
Spectroscopy |
Atomic Spectroscopy |
Atomic Properties / Structure
Atomic spectroscopy with a compact disc   Mebane, Robert C.; Rybolt, Thomas R.
The compact disc used by the music industry provides a convenient and ubiquitous diffraction grating that can be used with a mercury street lamp to explore the electronic structure of atoms through simple atomic spectroscopy observations.
Mebane, Robert C.; Rybolt, Thomas R. J. Chem. Educ. 1992, 69, 401.
Atomic Spectroscopy |
Atomic Properties / Structure
A visible spectrometer  Martin, James D.
An overhead projector spectrophotometer.
Martin, James D. J. Chem. Educ. 1990, 67, 1061.
Spectroscopy |
Atomic Spectroscopy |
Atomic Properties / Structure
Spectacular classroom demonstration of the flame test for metal ions  Mattson, Bruce M.; Snipp, Robert L.; Michels, Gary D.
Spraying a 1 M solution of a metal salt into the flame of a large Fisher burner.
Mattson, Bruce M.; Snipp, Robert L.; Michels, Gary D. J. Chem. Educ. 1990, 67, 791.
Atomic Properties / Structure |
Atomic Spectroscopy
The use of a simple spectrometer/microcomputer arrangement for teaching atomic theory in general chemistry courses  Casanova, J.; Arellano, M.; Lazo, L.; Gomez, H.
Experiment involving the analysis of a discharge tube to introduce students to the hydrogen atom model.
Casanova, J.; Arellano, M.; Lazo, L.; Gomez, H. J. Chem. Educ. 1989, 66, A201.
Atomic Spectroscopy |
Atomic Properties / Structure |
Laboratory Computing / Interfacing
Hydrogen atom spectrum using an AA spectrophotometer  Douglas, John; von Nagy Felsobuki, Ellak I.
Using an AA spectrophotometer to measure the Balmer series of the hydrogen atom spectrum.
Douglas, John; von Nagy Felsobuki, Ellak I. J. Chem. Educ. 1987, 64, 552.
Atomic Properties / Structure |
Atomic Spectroscopy
The use of an air-natural gas flame in atomic absorption  Melucci, Robert C.
The experiment reported in this paper demonstrates that students can get excellent results using air-natural gas flame in atomic absorption, and a tremendous advantage in safety is gained for a small sacrifice in the limit of detectability.
Melucci, Robert C. J. Chem. Educ. 1983, 60, 238.
Atomic Spectroscopy |
Qualitative Analysis |
Metals |
Descriptive Chemistry |
Atomic Properties / Structure
Determination of sodium in salt substitute by flame emission spectroscopy  Goodney, David E.
Using this procedure a student should be able to report the ppm Na in a salt substitute with an error of a few percent.
Goodney, David E. J. Chem. Educ. 1982, 59, 875.
Food Science |
Consumer Chemistry |
Quantitative Analysis |
Atomic Spectroscopy |
Atomic Properties / Structure
Spectroscopic cation analysis using metal salt pills  Barnard, Sister Marquita
Making metal salt pills for spectroscopic cation flame analysis using a Carver press.
Barnard, Sister Marquita J. Chem. Educ. 1980, 57, 153.
Spectroscopy |
Atomic Spectroscopy |
Atomic Properties / Structure
Producing flame spectra  Smith, Douglas D.
Adding the desired salt to canned heat.
Smith, Douglas D. J. Chem. Educ. 1979, 56, 48.
Atomic Properties / Structure |
Atomic Spectroscopy
Converting a television system into a quantitative atomic emission spectrograph  Richtol, H. H.; Reeves, R. R.; Nelson, D. L.
The conversion involves placing a transmission grating over the lens of a television camera that is focussed on a discharge tube.
Richtol, H. H.; Reeves, R. R.; Nelson, D. L. J. Chem. Educ. 1975, 52, 198.
Atomic Properties / Structure |
Atomic Spectroscopy |
Spectroscopy |
Laboratory Equipment / Apparatus
A general chemistry laboratory project utilizing atomic absorption  Testa, J. F.; Wyatt, J. L.
This project involves the preparation and purification of an unknown inorganic compound followed by qualitative and quantitative analysis for the materials used in the preparation.
Testa, J. F.; Wyatt, J. L. J. Chem. Educ. 1975, 52, 50.
Atomic Properties / Structure |
Atomic Spectroscopy |
Synthesis |
Quantitative Analysis |
Qualitative Analysis
The spectrum of atomic hydrogen: A mass scale freshman laboratory experiment  Companion, A. L.; Schug, K.
Student-built spectroscopes are used to measure the Balmer series for hydrogen.
Companion, A. L.; Schug, K. J. Chem. Educ. 1966, 43, 591.
Atomic Spectroscopy |
Atomic Properties / Structure
The spectrum of atomic hydrogen: A freshman laboratory experiment  Hollenberg, J. Leland
This experiment allows more precise measurements of the wavelengths of the emission spectrum of atomic hydrogen with a spectrophotometer than those previously published.
Hollenberg, J. Leland J. Chem. Educ. 1966, 43, 216.
Atomic Spectroscopy |
Atomic Properties / Structure