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LS 6000 Scintillation System User’s Manual
PN 247971-F
d-5
Isotope Settings and Half-Life
d
Figure d.3 Conversion Factors.
1 becquerel (Bq) therefore, = 1 nuclear transformation/second (DPS)
1 curie (Cl)
= 2.22 x 10
12
DPM
= 3.7 x 10
10
DPS
= 37 glgabecquerels (GBq)
1 millicurle (mCi)
= 2.22 x 10
9
DPM
= 3.7 x 10
7
DPS
= 37 kilobecquerels (kBq)
1 microcurie (µCl)
= 2.22 x10
6
DPM
= 3.7x 10
4
DPS
= 37 kilobecquerels (kBq)
1 glgabecquerel (GBq) = 27.027 millicuries (mCI)
1 megabecquerel (MGq) = 27.027 microcuries (µCi)
1 kilobecquerel (kGq) = 27.027 nanocuries (nCi)
Figure d.4
3
H Hydrogen-3(Tritium) Half-Life: 12.35 years.
Months
0 1 2 3 4 5 6 7 8 9 10 11
Years
0 1.0000 0.9953 0.9907 0.9860 0.9814 0.9768 0.9723 0.9677 0.9632 0.9587 0.9542 0.9498
1 0.9453 0.9409 0.9365 0.9321 0.9278 0.9235 0.9191 0.9148 0.9106 0.9063 0.9021 0.8979
2 0.8937 0.8895 0.8853 0.8812 0.8771 0.8730 0.8688 0.8648 0.8608 0.8568 0.8528 0.8488
3 0.8448 0.8409 0.8369 0.8330 0.8291 0.8252 0.8214 0.8176 0.8137 0.8099 0.8061 0.8024
4 0.7987 0.7949 0.7912 0.7875 0.7838 0.7801 0.7765 0.7729 0.7692 0.7656 0.7621 0.7585
5 0.7550 0.7514 0.7479 0.7444 0.7410 0.7375 0.7340 0.7306 0.7272 0.7238 0.7204 0.7170
6 0.7137 0.7104 0.7070 0.7037 0.7005 0.6972 0.6939 0.6907 0.6875 0.6842 0.6810 0.6779
7 0.6747 0.6715 0.6684 0.6653 0.6622 0.6591 0.6560 0.6529 0.6499 0.6468 0.6438 0.6408
8 0.6378 0.6348 0.6319 0.6289 0.6260 0.6230 0.6201 0.6172 0.6143 0.6115 0.6086 0.6058
9 0.6029 0.6001 0.5973 0.5945 0.5917 0.5890 0.5863 0.5835 0.5808 0.5780 0.5753 0.5727
10 0.5700 0.5673 0.5647 0.5620 0.5594 0.5568 0.5542 0.5516 0.5490 0.5464 0.5439 0.5414
11 0.5388 0.5363 0.5338 0.5313 0.5288 0.5263 0.5239 0.5214 0.5190 0.5166 0.5142 0.5118
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