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Use of an electromagnetic isotope separator in the search for element 114 in nature

✍ Scribed by John McMinn; Hans R. Ihle; Rudolf Wagner

Publisher
Elsevier Science
Year
1976
Weight
827 KB
Volume
139
Category
Article
ISSN
0029-554X

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## Abstract A novel technique is described for measuring the site selectivity of methods for labelling the major CFC‐alternative, 1,1,1,2‐tetrafluoroethane (HFA 134a), with fluorine‐18 (__t__~1/2~ = 109.7 min). The carbon–carbon bond in radiofluorinated HFA 134a is broken in the ion source of an is