7B10.15 - Spectral Lines/Spectroscopy - Gas Discharge

Code Number:
7B10.15
Demo Title:
Spectral Lines/Spectroscopy - Gas Discharge
Condition:
Excellent
Principle:
Spectra of Various Gases, Spectral Lines of Elements
Area of Study:
Optics, Astronomy
Equipment:
Spectrum Tube Unit (8 tubes), Solid-state induction coil.
Procedure:

See also 7B10.15 in Astronomy.

Connect the induction coil to the gas demo.  When turned on this will display the discharges of 8 common gases.

References:
  • Gary Kessler, "Recycle Outmoded Air-Track Components", TPT, Vol. 33, # 7, Oct. 1995, p. 473.
  • Dean Zollman, George Athey, "Corridor Display of Line Spectra", TPT, Vol. 15, # 4, Apr. 1977, p. 251.
  • Ron Hipschman, "Spectra", Exploratorium Cookbook, pp. 131.1 - 131.3.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.