April 2020
Intermediate to advanced
296 pages
5h 20m
English

Forget Tm, it’s far too rare, use other “rares” instead,
“ . . . and boy, ’twas hard to isolate!” “King” James may well have said.
Yet arc lights need Tm’s green line,
And Tm:YAG cuts neat ’n’ fine.
Its lightweight mobile X-ray source in fissile cores is bred.
tee-emm
THIRTEENTH IN THE LANTHANOID SERIES
Sadly, thulium is invariably overlooked whenever the 90 or so naturally occurring elements are discussed in terms of the extent of their uses. One reason is that after fellow lanthanoid promethium,11 thulium is the rarest of all the ...