## resonance lamp

https://doi.org/10.1351/goldbook.R05339
@L03447-1@ emitting @R05343@ of atoms and their ions. Depending on the requirements, the @L03447-2@ 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 $$\text{nm}$$), Cd (228.8 and 643.8 $$\text{nm}$$), Na (589.0 $$\text{nm}$$), Zn (213.8, 330.3, 334.5, and 636.2 $$\text{nm}$$), Kr (116.5 and 123.6 $$\text{nm}$$), Xe (129.6 and 147.0 $$\text{nm}$$).
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 415 [Terms] [Paper]