ENTRY 23351 20171030 22682335100000001 SUBENT 23351001 20171030 22682335100100001 BIB 12 24 2335100100002 REFERENCE (J,JIN,30,1125,1968) 2335100100003 AUTHOR (L.Tomlinson, M.H.Hurdus) 2335100100004 TITLE Delayed neutron precursors-I: Antimony and arsenic 2335100100005 precursors separated by electrolysis. 2335100100006 INSTITUTE (2UK HAR) Chemistry Division,AERE,Harwell,Didcot,Berks 2335100100007 REL-REF (M,,L.Tomlinson,J,JIN,28,287,1966) 2335100100008 Method, detector are the same, but with some 2335100100009 modifications. 2335100100010 FACILITY (REAC,2UK HAR) LIDO reactor. 2335100100011 INC-SOURCE (REAC) 2335100100012 INC-SPECT Thermal neutron flux was measured by: 2335100100013 - separating fission product Ba-140 to be 2335100100014 (3.85+-0.32)*10**10 n/cm2/sec.; 2335100100015 - Mn/Au and Mn/Ni alloy foils - 30 % higher.. 2335100100016 METHOD (CHSEP) Electrolytic separation technique of fission 2335100100017 products as hydrides. 2335100100018 Calorimetric method used to estimate chemical yields. 2335100100019 DETECTOR Neutron detector calibrated with sources: 2335100100020 Sb-134/Be (0.025 MeV) ,Po-210/Li (0.48MeV), Po-210/LiF 2335100100021 (0.7MeV), mock fission (1.6 MeV), Ra-226/Be (5.0 MeV).2335100100022 Efficiency 1.15+-0.05 % in the range 0.2-0.5 MeV 2335100100023 MONITOR ((MONIT)92-U-235(N,F)56-BA-140,CUM,FY) 6.35 %. 2335100100024 For neutron flux determination. 2335100100025 HISTORY (20171030C) M.M. 2335100100026 ENDBIB 24 0 2335100100027 COMMON 2 3 2335100100028 MONIT EN-DUMMY 2335100100029 PC/FIS EV 2335100100030 6.35 0.0253 2335100100031 ENDCOMMON 3 0 2335100100032 ENDSUBENT 31 0 2335100199999 SUBENT 23351002 20171030 22682335100200001 BIB 7 17 2335100200002 REACTION (92-U-235(N,F)ELEM/MASS,DL/IND,NU,,SPA) 2335100200003 DECAY-DATA (51-SB-135,1.59SEC) 1.59+-0.09 sec measured 2335100200004 (33-AS-85,2.03SEC) 2.03+-0.03 sec . 2335100200005 See also comment of authors. 2335100200006 FLAG (1.) Data are given for As-85,86. 2335100200007 COMMENT Of authors. 2.0 activity could belongs to As-85 or 86, 2335100200008 HL for these two nuclides are absent, we can not 2335100200009 decide between them on experimental grounds; 2335100200010 del Marmol+ favor As-85, from arguments based on the 2335100200011 fine structure of the fission mass-yield curve, but 2335100200012 definite assignment must await further exp.evidence. 2335100200013 Of compiler. According to now-days knowledge - As-85 2335100200014 HL is 2.021+-0.010 sec, As-86 - 9.945+-0.008 sec , 2335100200015 from J.K.Tuli, Nuclear Wallet cards,2011 . 2335100200016 REL-REF (R,,P.del Marmol+,J,JIN,29,273,1967) 2335100200017 ERR-ANALYS (DATA-ERR) Standard deviation . 2335100200018 STATUS (TABLE) Text, p.1137 of J.Inorg.Nucl.Chem.,30,1125,19682335100200019 ENDBIB 17 0 2335100200020 NOCOMMON 0 0 2335100200021 DATA 5 2 2335100200022 ELEMENT MASS DATA DATA-ERR FLAG 2335100200023 NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 2335100200024 51. 135. 3.6E-2 0.5E-2 2335100200025 33. 85. 9.4E-2 1.3E-2 1. 2335100200026 ENDDATA 4 0 2335100200027 ENDSUBENT 26 0 2335100299999 ENDENTRY 2 0 2335199999999