SILVER (47)
The ultimate (
) lines of silver are at 3281 and 3383. They are both faintly present in the solar spectrum. The doublet at 4669, 4476 (
) is also probably present in the spectrum of the sun. The lines cannot be traced in stellar spectra.
TIN (50)
A line of neutral tin was reported by Lunt[341] in the spectrum of
Scorpii. Series relations are as yet unknown. In view of the absence of identifications of related lines, the attribution cannot be regarded as very certain. The strongest line in the spectrum of ionized tin is stated by the same investigator to lie at 4585.80. This line is either absent from or exceedingly weak in the solar spectrum.