2. sr”,
A, 7 7049 x 1077 day he @ 30h] x 10°gay?
K=269x10°
Shot 91
a*
99(2069 19-7
“Gh? a
pweOcl0 Ro = 18
(0.0913) = 0,066
Shot. 23
a = 13.4 (0.066) = 0,S8ue at 27 days.
The uptake of Sr” is negligible in comparison with that of sr°’,
3. sr, A, 21.713 A, 3047x109 ew 0,652
Here t, « 0.146 day, since this is a short lived nuclide.
ae 23(Ge6e1)3
(eteM3t_, “1cTA3t-0,00347(t-t,)
The buildup of sr’ reaches a peak and then falls off within several
dayst
Shot 9:
ts
0.3d
at Satu
id
ad
ld
ad
130ue
hous
Salma Sau
For the Shot 2 caset
tz
O.5d
as 1200
Tt 48 seen that a considerable concentration of Sr’ exists for 2 or
3 days, which shortly disappears.
_
In its place, however, the daughter
product YOl remains, as will be seen in the next calculation.
Seeee ae
ak