Decay Table
Mo99
Half-Life 66 hours
Hour/hour
|
0
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
0
|
1.0000
|
0.9896
|
0.9792
|
0.9690
|
0.9589
|
0.9488
|
0.9389
|
0.9291
|
0.9194
|
0.9098
|
10
|
0.9003
|
0.8909
|
0.8816
|
0.8724
|
0.8633
|
0.8542
|
0.8453
|
0.8365
|
0.8278
|
0.8191
|
20
|
0.8105
|
0.8021
|
0.7937
|
0.7854
|
0.7772
|
0.7691
|
0.7610
|
0.7531
|
0.7452
|
0.7374
|
30
|
0.7297
|
0.7221
|
0.7146
|
0.7071
|
0.6997
|
0.6924
|
0.6852
|
0.6780
|
0.6709
|
0.6639
|
40
|
0.6570
|
0.6501
|
0.6433
|
0.6366
|
0.6300
|
0.6234
|
0.6169
|
0.6104
|
0.6040
|
0.5977
|
50
|
0.5915
|
0.5853
|
0.5792
|
0.5731
|
0.5672
|
0.5612
|
0.5554
|
0.5496
|
0.5438
|
0.5381
|
60
|
0.5325
|
0.5270
|
0.5215
|
0.5160
|
0.5106
|
0.5053
|
0.5000
|
0.4948
|
0.4896
|
0.4845
|
70
|
0.4794
|
0.4744
|
0.4695
|
0.4646
|
0.4597
|
0.4549
|
0.4502
|
0.4454
|
0.4408
|
0.4362
|
80
|
0.4316
|
0.4271
|
0.4227
|
0.4182
|
0.4139
|
0.4096
|
0.4053
|
0.4010
|
0.3968
|
0.3927
|
90
|
0.3886
|
0.3845
|
0.3805
|
0.3765
|
0.3726
|
0.3687
|
0.3649
|
0.3611
|
0.3573
|
0.3536
|
100
|
0.3499
|
0.3462
|
0.3426
|
0.3390
|
0.3355
|
0.3320
|
0.3285
|
0.3251
|
0.3217
|
0.3183
|
Tc99m
Half-Life - 6.007 hours
Hour/Minute
|
0
|
6
|
12
|
18
|
24
|
30
|
36
|
42
|
48
|
54
|
0
|
1.0000
|
0.9885
|
0.9772
|
0.9660
|
0.9549
|
0.9439
|
0.9331
|
0.9224
|
0.9118
|
0.9014
|
1
|
0.8910
|
0.8808
|
0.8707
|
0.8607
|
0.8508
|
0.8411
|
0.8314
|
0.8219
|
0.8124
|
0.8031
|
2
|
0.7939
|
0.7848
|
0.7758
|
0.7669
|
0.7581
|
0.7494
|
0.7408
|
0.7323
|
0.7239
|
0.7156
|
3
|
0.7074
|
0.6993
|
0.6913
|
0.6833
|
0.6755
|
0.6677
|
0.6601
|
0.6525
|
0.6450
|
0.6376
|
4
|
0.6303
|
0.6231
|
0.6159
|
0.6089
|
0.6019
|
0.5950
|
0.5881
|
0.5814
|
0.5747
|
0.5681
|
5
|
0.5616
|
0.5552
|
0.5488
|
0.5425
|
0.5363
|
0.5301
|
0.5240
|
0.5180
|
0.5121
|
0.5062
|
6
|
0.5004
|
0.4947
|
0.4890
|
0.4834
|
0.4778
|
0.4723
|
0.4669
|
0.4616
|
0.4563
|
0.4510
|
7
|
0.4459
|
0.4408
|
0.4357
|
0.4307
|
0.4258
|
0.4209
|
0.4160
|
0.4113
|
0.4066
|
0.4019
|
8
|
0.3973
|
0.3927
|
0.3882
|
0.3838
|
0.3794
|
0.3750
|
0.3707
|
0.3664
|
0.3622
|
0.3581
|
9
|
0.3540
|
0.3499
|
0.3459
|
0.3419
|
0.3380
|
0.3341
|
0.3303
|
0.3265
|
0.3228
|
0.3191
|
10
|
0.3154
|
0.3118
|
0.3882
|
0.3047
|
0.3012
|
0.2977
|
0.2943
|
0.2909
|
0.2876
|
0.2843
|
11
|
0.2810
|
0.2778
|
0.2746
|
0.2715
|
0.2684
|
0.2653
|
0.2622
|
0.2592
|
0.2562
|
0.2533
|
12
|
0.2504
|
0.2475
|
0.2447
|
0.2419
|
0.2391
|
0.2364
|
0.2337
|
0.2310
|
0.2283
|
0.2557
|
I131
Half life: 8.04 days
Day/Hour
|
0
|
4
|
8
|
12
|
16
|
20
|
24
|
28
|
32
|
36
|
40
|
44
|
0
|
1.0000
|
0.9857
|
0.9716
|
0.9577
|
0.9440
|
0.9305
|
0.9172
|
0.9041
|
0.8912
|
0.8784
|
0.8658
|
0.8535
|
2
|
0.8413
|
0.8292
|
0.8174
|
0.8057
|
0.7942
|
0.7828
|
0.7716
|
0.7606
|
0.7497
|
0.7390
|
0.7284
|
0.7180
|
4
|
0.7077
|
0.6976
|
0.6876
|
0.6778
|
0.6681
|
0.6585
|
0.6491
|
0.6398
|
0.6307
|
0.6217
|
0.6128
|
0.6040
|
6
|
0.5954
|
0.5869
|
0.5785
|
0.5702
|
0.5620
|
0.5540
|
0.5461
|
0.5383
|
0.5306
|
0.5230
|
0.5155
|
0.5081
|
8
|
0.5009
|
0.4937
|
0.4866
|
0.4797
|
0.4728
|
0.4661
|
0.4594
|
0.4528
|
0.4463
|
0.4400
|
0.4337
|
0.4275
|
10
|
0.4214
|
0.4153
|
0.4094
|
0.4035
|
0.3978
|
0.3921
|
0.3865
|
0.3809
|
0.3755
|
0.3701
|
0.3648
|
0.3596
|
12
|
0.3545
|
0.3494
|
0.3444
|
0.3395
|
0.3346
|
0.3298
|
0.3251
|
0.3205
|
0.3159
|
0.3114
|
0.3069
|
0.3025
|
14
|
0.2982
|
0.2939
|
0.2897
|
0.2856
|
0.2815
|
0.2775
|
0.2735
|
0.2696
|
0.2657
|
0.2619
|
0.2582
|
0.2545
|
16
|
0.2509
|
0.2473
|
0.2437
|
0.2403
|
0.2368
|
0.2334
|
0.2301
|
0.2268
|
0.2236
|
0.2204
|
0.2172
|
0.2141
|
18
|
0.2110
|
0.2080
|
0.2050
|
0.2021
|
0.1992
|
0.1964
|
0.1936
|
0.1908
|
0.1881
|
0.1854
|
0.1827
|
0.1801
|
20
|
0.1775
|
0.1750
|
0.1725
|
0.1700
|
0.1676
|
0.1652
|
0.1628
|
0.1605
|
0.1582
|
0.1560
|
0.1537
|
0.1515
|
22
|
0.1494
|
0.1472
|
0.1451
|
0.1430
|
0.1410
|
0.1390
|
0.1370
|
0.1350
|
0.1331
|
0.1312
|
0.1293
|
0.1275
|
24
|
0.1256
|
0.1239
|
0.1221
|
0.1203
|
0.1186
|
0.1169
|
0.1152
|
0.1136
|
0.1120
|
0.1104
|
0.1088
|
0.1072
|
26
|
0.1057
|
0.1042
|
0.1027
|
0.1012
|
0.0998
|
0.0984
|
0.0970
|
0.0956
|
0.0942
|
0.0929
|
0.0915
|
0.0902
|
28
|
0.0889
|
0.0877
|
0.0864
|
0.0852
|
0.0839
|
0.0827
|
0.0816
|
0.0804
|
0.0792
|
0.0781
|
0.0770
|
0.0759
|
30
|
0.0748
|
0.0737
|
0.0727
|
0.0716
|
0.0706
|
0.0696
|
0.0686
|
0.0676
|
0.0667
|
0.0657
|
0.0648
|
0.0638
|
32
|
0.0629
|
0.0620
|
0.0611
|
0.0603
|
0.0594
|
0.0586
|
0.0577
|
0.0569
|
0.0561
|
0.0553
|
0.0545
|
0.0537
|
34
|
0.0529
|
0.0522
|
0.0514
|
0.0507
|
0.0500
|
0.0493
|
0.0486
|
0.0479
|
0.0472
|
0.0465
|
0.0458
|
0.0452
|
36
|
0.0445
|
0.0439
|
0.0433
|
0.0427
|
0.0420
|
0.0414
|
0.0409
|
0.0403
|
0.0397
|
0.0391
|
0.0386
|
0.0380
|
38
|
0.0375
|
0.0369
|
0.0364
|
0.0359
|
0.0354
|
0.0349
|
0.0344
|
0.0339
|
0.0334
|
0.0329
|
0.0324
|
0.0320
|
Ir192
Half Life 74 Days
Day/day
|
0
|
3
|
6
|
9
|
12
|
15
|
18
|
21
|
24
|
27
|
0
|
1.0000
|
0.9724
|
0.9455
|
0.9194
|
0.8940
|
0.8693
|
0.8453
|
0.8219
|
0.7992
|
0.7771
|
30
|
0.7556
|
0.7348
|
0.7145
|
0.6947
|
0.6755
|
0.6569
|
0.6387
|
0.6211
|
0.6039
|
0.5872
|
60
|
0.5710
|
0.5552
|
0.5399
|
0.5250
|
0.5105
|
0.4965
|
0.4826
|
0.4693
|
0.4563
|
0.4437
|
90
|
0.4315
|
0.4195
|
0.4080
|
0.3967
|
0.3857
|
0.3751
|
0.3647
|
0.3546
|
0.3448
|
0.3353
|
120
|
0.3260
|
0.3170
|
0.3083
|
0.2997
|
0.2915
|
0.2834
|
0.2756
|
0.2680
|
0.2606
|
0.2534
|
150
|
0.2464
|
0.2396
|
0.2329
|
0.2265
|
0.2202
|
0.2142
|
0.2082
|
0.2025
|
0.1969
|
0.1915
|
180
|
0.1862
|
0.1810
|
0.1760
|
0.1712
|
0.1664
|
0.1618
|
0.1574
|
0.1530
|
0.1488
|
0.1447
|
210
|
0.1407
|
0.1368
|
0.1330
|
0.1293
|
0.1258
|
0.1223
|
0.1189
|
0.1156
|
0.1124
|
0.1093
|
240
|
0.1063
|
0.1034
|
0.1005
|
0.0977
|
0.0950
|
0.0924
|
0.0898
|
0.0874
|
0.0850
|
0.0826
|
|