Nuclear-physical characteristics
Decay mode |
EC (99,988%) β+ (0,012%) |
Half-life |
32,9 years |
Basic energy of gamma |
KX 76,54 (72,7) |
Energy of particles (average), keV |
β+ 380 |
Production |
|
Production process: |
lead metal target radiation treatment by a cyclotron |
Nuclear reactions: |
207Pb (p, n) 207Bi |
Reprocessing: |
target dissolution, ion exchange |
Product characteristics |
|
Chemical form |
Bi(III) chloride in 1,0 M HCl |
Specific activity |
≥ 10 mBq/mg |
Radionuclide purity |
min. 99,9% |
Volumetric activity |
≥ 10 microBq/ml |
Minimum single-unit package |
5 microBq |
Maximum single-unit package |
10 mBq |
Scope of application
Production of standards and calibration sources for radiometric equipment, application for various scientific research activities as a radioactive indicator.DECAY CHART
Years | Months | ||||||||||||
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | ||
0 | 1,0000 | 0,9982 | 0,9965 | 0,9947 | 0,9930 | 0,9913 | 0,9895 | 0,9878 | 0,9861 | 0,9843 | 0,9826 | 0,9809 | |
1 | 0,9792 | 0,9774 | 0,9757 | 0,9740 | 0,9723 | 0,9706 | 0,9689 | 0,9672 | 0,9655 | 0,9638 | 0,9621 | 0,9604 | |
2 | 0,9587 | 0,9571 | 0,9554 | 0,9537 | 0,9520 | 0,9504 | 0,9487 | 0,9470 | 0,9454 | 0,9437 | 0,9421 | 0,9404 | |
3 | 0,9388 | 0,9371 | 0,9355 | 0,9338 | 0,9322 | 0,9306 | 0,9289 | 0,9273 | 0,9257 | 0,9240 | 0,9224 | 0,9208 | |
4 | 0,9192 | 0,9176 | 0,9160 | 0,9144 | 0,9128 | 0,9112 | 0,9096 | 0,9080 | 0,9064 | 0,9048 | 0,9032 | 0,9016 | |
5 | 0,9000 | 0,8985 | 0,8969 | 0,8953 | 0,8937 | 0,8922 | 0,8906 | 0,8890 | 0,8875 | 0,8859 | 0,8844 | 0,8828 | |
6 | 0,8813 | 0,8797 | 0,8782 | 0,8766 | 0,8751 | 0,8736 | 0,8720 | 0,8705 | 0,8690 | 0,8675 | 0,8659 | 0,8644 | |
7 | 0,8629 | 0,8614 | 0,8599 | 0,8584 | 0,8569 | 0,8554 | 0,8539 | 0,8524 | 0,8509 | 0,8494 | 0,8479 | 0,8464 | |
8 | 0,8449 | 0,8434 | 0,8420 | 0,8405 | 0,8390 | 0,8375 | 0,8361 | 0,8346 | 0,8331 | 0,8317 | 0,8302 | 0,8288 | |
9 | 0,8273 | 0,8259 | 0,8244 | 0,8230 | 0,8215 | 0,8201 | 0,8186 | 0,8172 | 0,8158 | 0,8143 | 0,8129 | 0,8115 | |
10 | 0,8101 | 0,8086 | 0,8072 | 0,8058 | 0,8044 | 0,8030 | 0,8016 | 0,8002 | 0,7988 | 0,7974 | 0,7960 | 0,7946 | |
11 | 0,7932 | 0,7918 | 0,7904 | 0,7890 | 0,7876 | 0,7863 | 0,7849 | 0,7835 | 0,7821 | 0,7808 | 0,7794 | 0,7780 | |
12 | 0,7766 | 0,7753 | 0,7739 | 0,7726 | 0,7712 | 0,7699 | 0,7685 | 0,7672 | 0,7658 | 0,7645 | 0,7631 | 0,7618 | |
13 | 0,7605 | 0,7591 | 0,7578 | 0,7565 | 0,7551 | 0,7538 | 0,7525 | 0,7512 | 0,7499 | 0,7485 | 0,7472 | 0,7459 | |
14 | 0,7446 | 0,7433 | 0,7420 | 0,7407 | 0,7394 | 0,7381 | 0,7368 | 0,7355 | 0,7342 | 0,7329 | 0,7317 | 0,7304 | |
15 | 0,7291 | 0,7278 | 0,7265 | 0,7253 | 0,7240 | 0,7227 | 0,7215 | 0,7202 | 0,7189 | 0,7177 | 0,7164 | 0,7151 | |
16 | 0,7139 | 0,7126 | 0,7114 | 0,7101 | 0,7089 | 0,7077 | 0,7064 | 0,7052 | 0,7039 | 0,7027 | 0,7015 | 0,7002 | |
17 | 0,6990 | 0,6978 | 0,6966 | 0,6953 | 0,6941 | 0,6929 | 0,6917 | 0,6905 | 0,6893 | 0,6881 | 0,6869 | 0,6856 | |
18 | 0,6844 | 0,6832 | 0,6820 | 0,6808 | 0,6797 | 0,6785 | 0,6773 | 0,6761 | 0,6749 | 0,6737 | 0,6725 | 0,6714 | |
19 | 0,6702 | 0,6690 | 0,6678 | 0,6667 | 0,6655 | 0,6643 | 0,6632 | 0,6620 | 0,6608 | 0,6597 | 0,6585 | 0,6574 |