==,
|
experimental error.
This agrees with results from
\
WEEEcomposite Gecay data for beta and gamma activity are
‘given in Table 2.6a-3.
;
Zero time was taken as 0620, 7 April
The beta and gamma decays are almost identical, the beta
1954.
decay being only slightly slower.
In general, the gamma decay
4s similar to that of i.
Over various tine
ranges, the decay rates are as follows:
3.5 to 5.0 days . . . t7l-1l7
6 toll days
.... p71 85
10 to 17.5 days ... $7227,
Ga0SS SAMPLE DECAY
Time Elapsed
(days)
4 Gamma Activity‘)?
p°$
190.
“1
4S
51
6.1
7.2
8.2
9.1
10.1
12.1
188.
167.
149.
128,
100.
m.
62.
49,
LO.
27,
(1) Average of seven samples.
6.1 days.
4 Beta Activity?)
165.
145.
127.
100.
78.
64.
50.
“1,
29,
Normalize to 100 percent at
totine sctivity
At D+3 Gays 7 percent of the icdine zamra activity
aun
oT
0
{a
< m
rg
9
28
a
wes in soluble form, the rest veing associated with the solid
3!