promethium-147


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promethium-147

[prə′mē·thē·əm ¦wən¦fȯrd·ē′sev·ən]
(nuclear physics)
Artificially produced isotope with atomic number 61 and mass 147; produced during fission of 235U. Also known as florentium; illinium.
References in periodicals archive ?
1-3 mils thick, Measurex sells a promethium-147 gauge in place of krypton-85.