Atomic Spectra


Argon spectrum
Argon
Hydrogen
Helium
Iodine
Nitrogen
Neon
Mercury
Sodium

At left above is the spectral tube, excited by a 5000 volt transformer. At right is the spectrum seen through a 600 lines/mm diffraction grating.

Index
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Atomic Spectra


Iodine spectrum
Hydrogen
Helium
Iodine
Nitrogen
Neon
Mercury
Sodium

The iodine spectrum spreads throughout the visible colors with multiple bands that are barely resolvable at this resolution.

Index

Reference
Jenkins & White
Ch. 21
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