Spectrum Tube - Helium
Spectrum Tube - Helium
experiment: Monochromatic light emission - the principle behind neon lamps
Excitation of the Hydrogen in the tube produces light
Spectrum tubes are an effective tool to teach the effect of gas excitation and visible light emission.
Our spectrum tubes can also be used together with the spectrometer to analyse the spectra of the gases in the different tubes.
Spectrum Tubes can easily be mounted on our Tube Holder that protect them against accidental shocks.
Tubes of different gas types are available, the code refers to the category. Altay designed to be capillary thin at their centre point to give sharp and bright spectra
Spectrum Tubes Holder – Code 4470.50
Equipment Needed
Regulated 5kV Power Supply Unit – Code 2407.01
An Hydrogen vapour lamp is a gas discharge lamp which uses the excitation of the atoms to produce light.
A very high voltage between the anode and cathode plates causes the hydrogen atoms to move to an excited state. When the atom reverts to its stable condition a definite quanta of light is emitted.
This observed spectral line is the energy associated with the first energy level state of the atom and its normal fundamental state.
| ALT-4470.10 | Helium |
| ALT-4470.11 | Neon |
| ALT-4470.12 | Argon |
| ALT-4470.13 | Mercury |
| ALT-4470.14 | Hydrogen |
| ALT-4470.15 | Oxygen |
| ALT-4470.16 | Nitrogen |
| ALT-4470.17 | Carbon dioxide |
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