https://doi.org/10.1351/goldbook.R05339
Lamp
emitting resonance radiation
of atoms and their ions. Depending on the requirements, the lamp
is filled either with pure vapour of the element or with a mixture of it and other gases.Note:
Examples are: Hg (253.7 and 184.9 ), Cd (228.8 and 643.8 ), Na (589.0 ), Zn (213.8, 330.3, 334.5, and 636.2 ), Kr (116.5 and 123.6 ), Xe (129.6 and 147.0 ).
Examples are: Hg (253.7 and 184.9