MGo analyzed to determine the relative accumulation of
Miioactive nuclides. Potassium was determined flame-
i greas
eiicd sample.
_ the pptn.
eee)ly using a hydrochloric acid solution of the ignited
_
d, render
Mtometrically using a hydrochloric solution of the
Strontium was also analyzed flamephotomet-
ate precipitate obtained by the usual method.
‘the zine determination a hydrochloric acid solution
Wethe ashed samples were extracted with carbontectrach-
4s
mride solution of dithyzone and spectrophotometrically
_
measured .
Filt
xture of
add Nn, CL
& the pptn.
F
;
.
a
3. Methods of measuring radioactivity
E ;
Bsr 5 70g and total radioactive rare earth
Mements were determined by measurement of activities
mane 2 low background 2” -gas flow counter.
y adding
i Satulate
Repeat
to expel
>, oxidize CO
adding Br,
er, add
nitroso- f
htole,.
The amount
Botal radioactive rare earths was calculated taking
Be@eas the standard.
‘°%co and ‘zn were determined
Mmehe RCL-128 channel 7 ray spectrometer (crystal,
yi Gx 2") using 1.27 Mev y ray emmited from
mame (as the standard.
of the water
BOS oxalic
TL,
Mle or natural potassium, strontium, and zinc were
1, Horizonta 1
Of gross B-activi distribution
ty of surface
water,
Se Ba nianan,
fl. Results of analysis
Fresults of all determinations are shown in Table 1
a as
a
oe
in the water
“alt
19
wei gh
eee A
at
ve