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. Author manuscript; available in PMC: 2018 Dec 17.
Published in final edited form as: Appl Radiat Isot. 2017 May 10;127:52–60. doi: 10.1016/j.apradiso.2017.05.006

Fig. 1.

Fig. 1.

224Ra/212Pb generator and decay scheme, including parent radionuclide 228Th. 212Pb is eluted periodically (approximately once every 24 h). The generator has a useful life that is governed by the 3.62 day half life of 224Ra.