Biomedical Engineering Reference
In-Depth Information
Table 6.3.
Factors for calculation of specific radioactivity
t
1
/
2
C
10
−12
Seconds
3.285
×
10
−10
Minutes
1.971
×
10
−8
Hours
1.180
×
2.834
×
10
−7
Days
10
−4
Years
1.036
×
32
Phosphorus decay table
Table 6.4.
Days
Number
Days
Number
Days
Number
−5
1.274
11
0.587
27
0.270
−4
1.214
12
0.559
28
0.257
−3
1.157
13
0.533
29
0.245
−2
1.102
14
0.507
30
0.234
−1
1.050
15
0.483
31
0.223
0
1.000
16
0.460
32
0.212
1
0.953
17
0.439
33
0.202
2
0.908
18
0.418
34
0.192
3
0.865
19
0.398
35
0.183
4
0.824
20
0.379
36
0.175
5
0.785
21
0.361
37
0.166
6
0.748
22
0.344
38
0.159
7
0.712
23
0.328
39
0.151
8
0.679
24
0.312
40
0.144
9
0.646
25
0.298
41
0.137
10
0.616
26
0.284
42
0.131
35
Sulfur decay table
Table 6.5.
Days
Number
Days
Number
Days
Number
−5
1.040
21
0.847
49
0.678
0
1.000
28
0.801
56
0.641
3
0.976
32
0.776
60
0.621
7
0.946
37
0.746
65
0.597
9
0.931
39
0.734
67
0.588
11
0.916
42
0.717
70
0.574
14
0.895
44
0.705
72
0.565
16
0.881
46
0.694
74
0.556
18
0.874
