NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableFrancium Atomic DataFrancium Strong LinesFrancium Neutral Atom Persistent Lines Francium Neutral Atom Energy LevelsFrancium Singly Ionized Persistent LinesFrancium Singly Ionized Energy LevelsFrancium References
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Strong Lines of Francium ( Fr )

Intensity     Wavelength (Å)     Spectrum   Ref. 
 
                  Air
 
               4225.655          Fr I       ABDJ90
               4325.361          Fr I       ABDJ90
               7179.866          Fr I       ABDJ90
               8169.418          Fr I       ABDJ90

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableFrancium Atomic DataFrancium Strong LinesFrancium Neutral Atom Persistent Lines Francium Neutral Atom Energy LevelsFrancium Singly Ionized Persistent LinesFrancium Singly Ionized Energy LevelsFrancium References
Switch to Formatted Version