Lancuage: Enclish
Taurnel Announcetent: EDBELD8
Scucfile:
te
‘Technica! Infarteticn Carter).
oo
cf: ‘Ashed sample of the mitcle tissue of s:ipjack. which »ere
Shuntotsu-Maru on June 19th near Bitini Atell was used for ths
e
rt. st
sudy.
Ion exchanger methced,
using Dowex 50,
was appliec te
eperate redicactive elements with 0.2 HC1, 0.5% exalic acid and 5%
annosium citrate (pH 3.52, 4.18, 4.6¢, 5.08, £.63 and 6.42) as the eluents.
Eluticen curve of the athed muscle is shown in Figure 1. App veciable amounts
ef cationic radicactive elements were senarated by 0.5% coxalic and by
arnmoaniun citrate at the cH of 6.18 and alsa anionic radicactive elements
were obtained by O.@€N HCl. As the fraction, which can be withdrawn by
arneniun citrete 25 pH 4.13, was proved the mast active; further analysis
was undertaken acceding tc the echeme cited in Figures 2@ and 3. In
eddizvien ta theze chemical
separation,
abserpticn rurve of this specimen
with tin foil was e amined simultaneously, (Figure 3) and thus the
cadioacltiva (sup 58/orn was caonfirvec tc be preseit in the fish muscle.
rithrven it was d.fficuit toa detect radicactivity in rave-earth ard
sibaline-sartn gravps in the mescrie tissue, attenats are belong mede ror
More O°eciss examinaticr.
Rerzed - F9
Pek IG Fale 104:
£ti223
SDE-w: 92542
Vitie:
Sadraactive maetersal
ar
the radiclee@icall, rentaminacted fishes
crucat
e
faci
isha
set om
Mery, 7.
SIerec
‘Tepan
voany
Dete:
re
Cod.ar
2
Tetian Center’.
PRI
Gterract:
ai
“he
vcadicectivity af es.eral
zerples of Ceoryphaene dirayrue
cRugms in the southern Facitic in Wav, i954, after the atomir erplosio at
= Tousd, in decressine orcer, in spleen, kidney, liver, pyloric
Teca, neart, gill, intestine, gastric wall, ovary, testis, gastric content,
red muscle, skin, vertezrae, and miscie. The red muscle cf Neathunrnus
“acreove-us showed 34.8 caunts/’min./9,20 g. activity aon dry basis, the
activity wes decreased to 27.5 by scaeking eS g. muscle in 25 cc. water, ard
to 14.1 By seaking in 0.5% Na etrhylenediaminetetraacetate scalution. The
redicactive substances in these fish tissues were found, upon analysis, ta
beleng te the ITI] oroup, particularly ta ITI-3 qroup. Examination af
synchrascepe patterns sy scintillation ccunter indicated the presence of
fSup Sb/29 emeng the radioactive substances. /sugp FO/Sr was suggested to be
presert in very erall ameunt.
DrArro File i154:
siige2
ERE-f3:061547
SAME LEAN
Jude Oo
U