Half-lives (T1/2) Flashcards
1
Q
Tc99m
A
6 hours
2
Q
I-131
A
8 days
3
Q
I-123
A
13.2 hours
4
Q
Mo-99
A
66 hours
5
Q
Co-57
A
271 days
6
Q
Ga-67
A
78.2 hours
7
Q
In-111
A
2.8 days
8
Q
Xe-133
A
5.3 days
9
Q
Tl-201
A
73 hours
10
Q
I-125
A
60 days
11
Q
Cs-137
A
30 years
12
Q
C-11
A
20 minutes
13
Q
N-13
A
10 minutes
14
Q
O-15
A
2 minutes
15
Q
F-18
A
110 minutes
16
Q
Ga-68
A
68 minutes
17
Q
Rb-82
A
75 seconds
18
Q
Y-90
A
2.7 days
19
Q
Lu-177
A
6.7 days
20
Q
Ge-68
A
271 days
21
Q
Sr-89
A
50.6 days
22
Q
Sm-153
A
1.9 days
23
Q
Ra-223
A
11.4 days
