ore
er ay
oa
Fi
+
a7
hoes
\
be
moot
Boe
wit
age
ti
oo
-
solutions in the presence of methanol and ethanol is compared,
(auth
:
DT oP
oR
,
TOM OF I
;
SORPTION OF POLY ALES Pf ELEMENTS ON SILICA
45390
tebe it, ISOLA 1 IGN OF PROPAC TINIUM BY SORPTION GN
GEL PROM THE SCLUTIONS OF THC] and MeS0,. Caletka,
MCA
Rl
(Ne clear Kesearch Inst, Rez, Czech), Collect. Czech,
Chem, Commun; 37: No. 5, 1644-9( May 1972},
The sorption of trace amotnts of protuctinium, on silica gel was
studied under dvnamie conditions together with the desorption «{teetiveress of various aqueous aad aqueous ~organic solutions,
Phe poo: thility lo separate protactinium, zirconium, hafnium, and
niehuin in the bydrochioria er suifuric aeid solutiens was proved
experimentally, Provaetinium was aise separated from the aeti~
sated thorium salts and frem the uranium ore. Vhe mixture of
30 of 11 SMAHCE and 7a5 of 2-pronpanel or 1OM-ELSO,y can he
uscd for the elution of protaetiniunt ad. erbed on tre column cf
silica ped. ¢autiy
45391
SORPTION OF POLYVALENT ELEMENTS ON SILICA
GEL. IV. SEPARATION OF THE PELRAY VLBAAND
PENTAV ALENT PROPAVCTINIG I, Caletha, Rap Knobloch, \.
(Nutear Rosearch Inst., Reg, Crocha.
Commun; 37:
No, o, LO %-2¢ May £972).
Collect, Czech. Chem,
Phe porsibiulity. of the teteaytdent cad pontavatent proiac tina
Sotratpareu sitiea cel was stutcneatand it was found thatom the
presence of iadrechtorie aud sultvtie deqds the prota. tintin: adsorbed ou the silien ed cotimnois reddeed and washed out py
ehromui db setutions whereas the derredueed tra tian af pac
trctinigan remains aasarbed on tue ela. The inethod was tested
with fide canounts of (he ba muedebe ot Was toane di at under
Sambar conditienes he coutiewr of tu Hea
OMA peatrtly
stab?
Pros slike ad ob ptoceeds
Radioisotope Production
Rete ava far gthstrecds
45392
fa 8 agar
(N F2-1S08Sy
fo
ves,
CYCLOTRON PRODUCTION OF 8p: AN
EVALUATION OF THRE SUCCILEAR RE AC TRONS WInCi PRODUCE
THIS TSOTODE,
souad. } tacent d.j sehoiez, Rennmeth fo; Gbte, Tames
Wo; Wellman, Heres \.
oNational Aerer. dues and space Adminise
tration, Clevelund, tuo, dewrs HReoesren Cenmery, con loyul top,
(NASA-TAL Nap voli; BEG
DMRE -To-si.
NUYTS.
Vortous niviedar poate Cia are ade ci bead by wae OO ba tow
Ca
radiation dose radon: Ventless
esclotron preckieed.
Methods or direetes pared
“Doamd ee th herbeetiy pres
eeo the radon pope
Tae betas coteeay ab ot natural
preeursop, ON Mier
vendbte ta ses aerate Bae ea rode
comtaaiunanes that
oocur
prable te peoduer aire
Proms Che eadetec tes
7
ar cae stipe chometeiat
Phus
4
pret
trom PS a be tis
separated
ambertae
soto risties en Gdoais the
MAPA rODs ed reser ther atient des
oat ths read
appt
ae
SUremeUenb fo a very sand. cepoemdae cf te tan dave den ty the tore
wa
comoveniy sed FU)
45393
truth
ON PARI
CORMVERSEON GUS OUALEDORA OM eB bONY [SO]
BL EY RATE EOOONEDE WEEH CARBON iG ACTED RD SEN.
cour, RoOAL; thale, WOH. de
Atheros ou.
Mo cud TL
chire
eR. tutta: de Memoirs vine wo,
Qadie hea. Hadraaials bertey lee
Nol) ded!
Amethoud was ftevebes cdi te reuse seb bran ren ex cinenee
proquet setutieds ond prepare oC hOh
bao or
ogss wwas cenren=
strated wo cr fog ro ana buh tee daa stir aa ine
NEON cedar mbigtvcntee Nd ot
PGP Was ch tisteua tu
PEE Nab = Weis ate Gas ae tem ra tee ete
Was prepared 8
GQecr ba gb Gn ea rae
45394
PRODE TON CR CARMIER 2 RE stp iss THE
PARTICLe BOMBARDMENT ot MAGU AL CHROME SS
Ab ata,
Porenmasa
dfivosas. bese. atanh Vato Reich Abur...
Pamaeuy Sosaki (aa sic Mutanane 0 bua Sper a.
Wharsbi, Ne. Ss
ERB bas
For the production et
TT
Mrs the
hm
curves
Pe
owe se sr ined
A ste this
ASTON, pespe yt ve 7s
rm
an
ooroth.
ttt
(SN) from which the ‘?Fe was removed Ly an oxtraction uicthod,
The remaining solution was caturated with puro ECL ges oy bab~
ling it through the solution, from which almost all tie nenradieactive chromium und other active contaminants were removed by
cine
thus obte
an anion exchange method. The manganese soltion
was evirporated to dryness, and the Civ-fvee residue “was cissolved
in 50 ml cf 10 mol/] H.SO, together with 2¢ of KIO.. Then the Mn
was thetilled out as Ma.O; from the resulting solution Into & trap
contuining a small amount of dilute HCI eolution plus I1,Q..
To
mitintain the solution at 10 raol/l of sulfuric acid concentration and
c
146°C, which is the optimum condition for cistillation, azeotropi
sonitric acid vaper (120,.5°C) was added yradnally to the boiling
lution. The UMn was obtained in u carrier-free state. The chemi-
cal wields over all the chemical procedure proved te be +90" with
a sufticieit radtochernical purity. (auth)
PRODUCTION OF CARRIER FREE Tig WITH
45395
Wilkniss, P. io; Beach, L. Ajj Marlow, kK. W.
A CYCLOTRON.
Radiochim. -\cia;
(Naval Rescarch Lab., Washinton, 0, C.),
WT:
Wall, 1O-tigsul tote.
The practical aspects ot the production of currier-free mercury
in a evelotren by proton Lombardment of a cold target are dis-
enesed. A liquid nitrogen couled Larget ts.embly and the radio-
chemical procedure for the recovery of enrrier-free mercury from
a
the pold Curet are deseribed, Chumima spectra obtained with
Ge'Li) detector and a Si{i) detector are shown. Experimental
vield determinations for )7™- O'Hy are compared with theoretical
eauleulations. ¢2uth)
45396
CTIRIZATION OF RESEARCH REACTORS FOR RADIOISOTOPE PRODUCTION.
Rihmviny M. Matiur (Pakistan Inst.
Oo! Nuchear Science und Tech, Huwalpind), Nucleus Csarachiy:
mp No. i. 28-G2(1971),
The vadisisotape productton facility at the Pakistan Institute of
Nuclear Scsenee and Technolury (PINST ECD is deseribed, It is
sugeosted that etlorts should be directed tov ards the establishment of methods for the selection of target materials ond the
determination of chemical processes for production. Eosides,
some tasic resetreh on nucloar penetions ond the chemical effects of nuciear transformation is also vitil for radioisotope prom
duction, te sus nothing of the guavantecine of high radiochemical
parity for the preducts, procedures of activation analssis of tarvetoimaterials, ete. :authi
Reactor Fuel Reprocessing
Aetopr aise fo abstracts: {530s and $7300.
45397
(CONF-720903-9) CONTINUOUS OR SEMICONTINUOUS LEACHER FOR LEACHING SOLUBLE CORE MATERIAL
FROM SHEARED SPENT NUCLEAR FUEL TUBES, Odom,
C.H.
(Oak Rudge National Lab, Tenn).
1972,
32p,
Dep.
NTIS,
Prom teentieth remote systems technology eenference; Idaho
Falls, 1. 217 Sep 1972).
Thee: fective dissalution of sheared liquid-metal fast breeder
reactor cuels is considercd, Concepts anu models representative
uf current appreaaches to ihe continuous or semicontinuous dissolution of these fuels were developed ta assess the magnitude
of the difficult vs to be encountered in controlling the flow, residence time, aguation, and transter of the sacured material through
such a deviee. The performance of many of the models developed
was suecessrulis cemonstrated, but the model of the compartmented fotars drum continuwius leacher with sloped transfer ducts
is representative of the most effective and straightforward design
requivea io cneef all of the performance requirements. (anu
oer mien gd lates
PSs NN
mats
ekyg ot the osve rien sh ows a max
emotes and thatet ch.
tlo-veaetoor oa
Che thi sttarvg: to yceias ter deeded
chromium target was dissolved in a hydrochtorie acid sciution
45399
Was bom: ard Seog bec ear He eat
MUM ene ray, ane the te attoatatee Geri cts
destouctiveny Ov abithe cherueal sepa
Vad akbar foto
vield of ‘'fn than the other possible reactions. ‘The horabarced
and thiebetis es
apie se
Mields were melsuced. Serpous eamdit emsorr dhe predioti isn vedure, espe iii the cnemmicd! seyetiad ote
rey
hvdrochborio dad selitte noot the bomaceded
wert
be MeV.
1
45398
(DOCKET=-50201-125) WEST VALLEY REPROCESSXG P
YT, Gaarteriv Report for Aprit 1, is72-June og, 1972,
Pirtd,
oN clear Fuel Services, ine,, West Valley, N, Yi}.
l4 Jul
Lo7e,
sp,
Dep, NTIS,
Favirenmental samples were analyced for ‘241, alpha activity,
and oetacervitv. Potabcuseharges in liguid and cuseous efiluents
as and (He-saotiele re
on mitural shoormauir. their eselfatees
movabobo
Val. 26, Na. 19
NUCLEAR SCIENCE ABSTRACTS
4370
*
asiviien
coe
Sabon
Bal
imeddert ene cl. are
amibot
veetign thus poo bo live
tle
re=
eo hehe
are given fer cross .e, gross o, tritium, VSr. Oi, CKr, and4,
Sur
lence tests ana filter replacements are Pisted. AD LG.)
POCKRET-Sel201-126)
WEST VALLEY REPROCESSTeennieal Specifications, Resuest for Anproval of
foyistons,
Nicluar Fuel Servicos, Ine., Poomville, Mdvj, 19 Jul
480.
lep. NTIS,
Resisaens ove roueest ft ter techmeal Specifientions ror: form
efomateriot’s, extractant comeentration, plutoan.am lan exchange.
on. egusiic comecniration in carbon sroel waste storage
Uroth evaporacor ‘cam’ pressure,
J eolia rac: Beha ws
MES ORL
PY prote Som equine nt’, Syocess TESTTUMant itien, high