ENTRY 31760 20150520 31703176000000001 SUBENT 31760001 20150520 31703176000100001 BIB 9 14 3176000100002 TITLE Production of 223Ra from 226Ra in Tehran Research 3176000100003 Reactor for treatment of bone metastases 3176000100004 AUTHOR (R.Bagheri, H.Afarideh, M.Ghannadi-Maragheh, 3176000100005 A.Bahrami-Samani, S.Shirvani-Arani) 3176000100006 INSTITUTE (3IRNIRN) Amirkabir University of Technology, Tehran; 3176000100007 Nuclear Science and Technol. Research Inst., Tehran 3176000100008 REFERENCE (J,JRN,304,1185,2015) 3176000100009 FACILITY (REAC,3IRNNRT) Tehran Research Reactor 3176000100010 SAMPLE 226Ra solution in nitric acid (~5 ug of 226Ra, 3176000100011 equal to 185 kBq) in quartz capsule in Al can 3176000100012 METHOD (ACTIV) Irradiated for 24 days by thermal neutron flux 3176000100013 of 5E+13 n/cm2/sec, and cooled for ~2 months 3176000100014 ERR-ANALYS (DATA-ERR) No information on source of uncertainties 3176000100015 HISTORY (20150520C) On 3176000100016 ENDBIB 14 0 3176000100017 NOCOMMON 0 0 3176000100018 ENDSUBENT 17 0 3176000199999 SUBENT 31760002 20150520 31703176000200001 BIB 4 11 3176000200002 REACTION (88-RA-226(N,G)88-RA-227,,SIG,,SPA) 3176000200003 ANALYSIS 227Ac decay gamma was not applicable due to its low 3176000200004 branching ratio (0.0092% for Egamma=100 keV). 3176000200005 Daughter nuclei activities were subjected to back- 3176000200006 calculation which resulted in ~19.09 kBq of 227Ac at 3176000200007 EOB 3176000200008 DECAY-DATA (90-TH-227,18.72D,DG) 3176000200009 (88-RA-223,11.43D,DG) 3176000200010 (88-RA-226,1600.YR,DG) 3176000200011 (88-RA-227,42.2MIN) 3176000200012 STATUS (TABLE) Table 3 of J.Radioanal.Nucl.Chem.304(2015)1185 3176000200013 ENDBIB 11 0 3176000200014 NOCOMMON 0 0 3176000200015 DATA 3 1 3176000200016 EN-DUMMY DATA DATA-ERR 3176000200017 EV B B 3176000200018 0.0253 13.8 0.3 3176000200019 ENDDATA 3 0 3176000200020 ENDSUBENT 19 0 3176000299999 ENDENTRY 2 0 3176099999999